Vibrational frequency scaling factors
Calculated vibrational frequencies ("theory" in table) are calculated at
CCSD(T)/6-31G*
| Scale factor |
How many |
Source |
| Molecules |
Vibrations |
| 0.962 ± 0.025 |
149 |
686 |
cccbdb |
Jump to histogram
| Formula |
Name |
Mode |
Symmetry |
Frequency |
Count
|
| Theory |
Experiment |
ratio |
molecules |
vibrations |
| H2CO |
Formaldehyde |
1 |
A1 |
2956 |
2782 |
0.941 |
1 |
1 |
| |
|
2 |
A1 |
1791 |
1746 |
0.975 |
1 |
2 |
| |
|
3 |
A1 |
1565 |
1500 |
0.958 |
1 |
3 |
| |
|
4 |
B1 |
1184 |
1167 |
0.985 |
1 |
4 |
| |
|
5 |
B2 |
3021 |
2843 |
0.941 |
1 |
5 |
| |
|
6 |
B2 |
1284 |
1249 |
0.973 |
1 |
6 |
| CCl4 |
Carbon tetrachloride |
1 |
A1 |
469 |
459 |
0.978 |
2 |
7 |
| |
|
2 |
E |
228 |
217 |
0.950 |
2 |
8 |
| |
|
3 |
T2 |
817 |
776 |
0.950 |
2 |
9 |
| |
|
4 |
T2 |
328 |
314 |
0.958 |
2 |
10 |
| HCOOH |
Formic acid |
1 |
A' |
3660 |
3570 |
0.975 |
3 |
11 |
| |
|
2 |
A' |
3113 |
2943 |
0.945 |
3 |
12 |
| |
|
3 |
A' |
1842 |
1770 |
0.961 |
3 |
13 |
| |
|
4 |
A' |
1431 |
1387 |
0.969 |
3 |
14 |
| |
|
5 |
A' |
1343 |
1229 |
0.915 |
3 |
15 |
| |
|
6 |
A' |
1152 |
1105 |
0.960 |
3 |
16 |
| |
|
7 |
A' |
625 |
625 |
1.000 |
3 |
17 |
| |
|
8 |
A" |
1052 |
1033 |
0.982 |
3 |
18 |
| |
|
9 |
A" |
699 |
638 |
0.913 |
3 |
19 |
| CH3OH |
Methyl alcohol |
1 |
A' |
3743 |
3681 |
0.983 |
4 |
20 |
| |
|
2 |
A' |
3152 |
3000 |
0.952 |
4 |
21 |
| |
|
3 |
A' |
3016 |
2844 |
0.943 |
4 |
22 |
| |
|
4 |
A' |
1554 |
1477 |
0.951 |
4 |
23 |
| |
|
5 |
A' |
1518 |
1455 |
0.959 |
4 |
24 |
| |
|
6 |
A' |
1417 |
1345 |
0.949 |
4 |
25 |
| |
|
7 |
A' |
1099 |
1060 |
0.964 |
4 |
26 |
| |
|
8 |
A' |
1072 |
1033 |
0.964 |
4 |
27 |
| |
|
9 |
A" |
3071 |
2960 |
0.964 |
4 |
28 |
| |
|
10 |
A" |
1541 |
1477 |
0.959 |
4 |
29 |
| |
|
11 |
A" |
1188 |
1165 |
0.980 |
4 |
30 |
| |
|
12 |
A" |
347 |
200 |
0.576 |
4 |
31 |
| C6H6 |
Benzene |
1 |
A1g |
3201 |
3062 |
0.956 |
5 |
32 |
| |
|
2 |
A1g |
1014 |
992 |
0.978 |
5 |
33 |
| |
|
3 |
A2g |
1379 |
1326 |
0.962 |
5 |
34 |
| |
|
4 |
A2u |
678 |
673 |
0.993 |
5 |
35 |
| |
|
5 |
B1u |
3165 |
3068 |
0.969 |
5 |
36 |
| |
|
6 |
B1u |
1012 |
1010 |
0.998 |
5 |
37 |
| |
|
7 |
B2g |
887 |
995 |
1.121 |
5 |
38 |
| |
|
8 |
B2g |
535 |
703 |
1.314 |
5 |
39 |
| |
|
9 |
B2u |
1344 |
1310 |
0.975 |
5 |
40 |
| |
|
10 |
B2u |
1192 |
1150 |
0.965 |
5 |
41 |
| |
|
11 |
E1g |
834 |
849 |
1.017 |
5 |
42 |
| |
|
12 |
E1u |
3191 |
3063 |
0.960 |
5 |
43 |
| |
|
13 |
E1u |
1529 |
1486 |
0.972 |
5 |
44 |
| |
|
14 |
E1u |
1070 |
1038 |
0.970 |
5 |
45 |
| |
|
15 |
E2g |
3175 |
3047 |
0.960 |
5 |
46 |
| |
|
16 |
E2g |
1659 |
1596 |
0.962 |
5 |
47 |
| |
|
17 |
E2g |
1215 |
1178 |
0.969 |
5 |
48 |
| |
|
18 |
E2g |
617 |
606 |
0.982 |
5 |
49 |
| |
|
19 |
E2u |
893 |
975 |
1.092 |
5 |
50 |
| |
|
20 |
E2u |
392 |
410 |
1.045 |
5 |
51 |
| CH4 |
Methane |
1 |
A1 |
3054 |
2917 |
0.955 |
6 |
52 |
| |
|
2 |
E |
1597 |
1534 |
0.960 |
6 |
53 |
| |
|
3 |
T2 |
3175 |
3019 |
0.951 |
6 |
54 |
| |
|
4 |
T2 |
1395 |
1306 |
0.936 |
6 |
55 |
| C2H6 |
Ethane |
1 |
A1g |
3054 |
2896 |
0.948 |
7 |
56 |
| |
|
2 |
A1g |
1475 |
1388 |
0.941 |
7 |
57 |
| |
|
3 |
A1g |
1033 |
995 |
0.964 |
7 |
58 |
| |
|
4 |
A1u |
322 |
289 |
0.897 |
7 |
59 |
| |
|
5 |
A2u |
3052 |
2915 |
0.955 |
7 |
60 |
| |
|
6 |
A2u |
1448 |
1370 |
0.946 |
7 |
61 |
| |
|
7 |
Eg |
3115 |
2969 |
0.953 |
7 |
62 |
| |
|
8 |
Eg |
1545 |
1468 |
0.950 |
7 |
63 |
| |
|
9 |
Eg |
1255 |
1190 |
0.948 |
7 |
64 |
| |
|
10 |
Eu |
3136 |
2974 |
0.948 |
7 |
65 |
| |
|
11 |
Eu |
1551 |
1460 |
0.942 |
7 |
66 |
| |
|
12 |
Eu |
838 |
822 |
0.981 |
7 |
67 |
| C2H4 |
Ethylene |
1 |
Ag |
3172 |
3026 |
0.954 |
8 |
68 |
| |
|
2 |
Ag |
1694 |
1623 |
0.958 |
8 |
69 |
| |
|
3 |
Ag |
1389 |
1342 |
0.967 |
8 |
70 |
| |
|
4 |
Au |
1043 |
1023 |
0.980 |
8 |
71 |
| |
|
5 |
B1u |
3154 |
2989 |
0.948 |
8 |
72 |
| |
|
6 |
B1u |
1501 |
1444 |
0.962 |
8 |
73 |
| |
|
7 |
B2g |
910 |
940 |
1.032 |
8 |
74 |
| |
|
8 |
B2u |
3254 |
3105 |
0.954 |
8 |
75 |
| |
|
9 |
B2u |
839 |
826 |
0.984 |
8 |
76 |
| |
|
10 |
B3g |
3231 |
3086 |
0.955 |
8 |
77 |
| |
|
11 |
B3g |
1251 |
1217 |
0.973 |
8 |
78 |
| |
|
12 |
B3u |
961 |
949 |
0.987 |
8 |
79 |
| C2H2 |
Acetylene |
1 |
Σg |
3521 |
3374 |
0.958 |
9 |
80 |
| |
|
2 |
Σg |
2020 |
1974 |
0.977 |
9 |
81 |
| |
|
3 |
Σu |
3427 |
3289 |
0.960 |
9 |
82 |
| |
|
4 |
Πg |
331 |
612 |
1.846 |
9 |
83 |
| |
|
5 |
Πu |
729 |
730 |
1.001 |
9 |
84 |
| CH3Cl |
Methyl chloride |
1 |
A1 |
3099 |
2966 |
0.957 |
10 |
85 |
| |
|
2 |
A1 |
1443 |
1355 |
0.939 |
10 |
86 |
| |
|
3 |
A1 |
757 |
732 |
0.967 |
10 |
87 |
| |
|
4 |
E |
3201 |
3042 |
0.950 |
10 |
88 |
| |
|
5 |
E |
1524 |
1455 |
0.955 |
10 |
89 |
| |
|
6 |
E |
1067 |
1015 |
0.952 |
10 |
90 |
| CH3NH2 |
methyl amine |
1 |
A' |
3457 |
3361 |
0.972 |
11 |
91 |
| |
|
2 |
A' |
3094 |
2961 |
0.957 |
11 |
92 |
| |
|
3 |
A' |
3000 |
2820 |
0.940 |
11 |
93 |
| |
|
4 |
A' |
1722 |
1623 |
0.943 |
11 |
94 |
| |
|
5 |
A' |
1541 |
1473 |
0.956 |
11 |
95 |
| |
|
6 |
A' |
1496 |
1430 |
0.956 |
11 |
96 |
| |
|
7 |
A' |
1214 |
1130 |
0.931 |
11 |
97 |
| |
|
8 |
A' |
1080 |
1044 |
0.967 |
11 |
98 |
| |
|
9 |
A' |
914 |
780 |
0.854 |
11 |
99 |
| |
|
10 |
A" |
3546 |
3427 |
0.966 |
11 |
100 |
| |
|
11 |
A" |
3135 |
2985 |
0.952 |
11 |
101 |
| |
|
12 |
A" |
1559 |
1485 |
0.952 |
11 |
102 |
| |
|
13 |
A" |
1387 |
1335 |
0.962 |
11 |
103 |
| |
|
14 |
A" |
991 |
1195 |
1.206 |
11 |
104 |
| |
|
15 |
A" |
334 |
268 |
0.801 |
11 |
105 |
| HCN |
Hydrogen cyanide |
1 |
Σ |
3464 |
3312 |
0.956 |
12 |
106 |
| |
|
2 |
Σ |
2125 |
2089 |
0.983 |
12 |
107 |
| |
|
3 |
Π |
703 |
712 |
1.013 |
12 |
108 |
| CH3SH |
Methanethiol |
1 |
A' |
3171 |
3000 |
0.946 |
13 |
109 |
| |
|
2 |
A' |
3078 |
2931 |
0.952 |
13 |
110 |
| |
|
3 |
A' |
2697 |
2597 |
0.963 |
13 |
111 |
| |
|
4 |
A' |
1531 |
1475 |
0.963 |
13 |
112 |
| |
|
5 |
A' |
1426 |
1335 |
0.936 |
13 |
113 |
| |
|
6 |
A' |
1134 |
1074 |
0.947 |
13 |
114 |
| |
|
7 |
A' |
823 |
803 |
0.976 |
13 |
115 |
| |
|
8 |
A' |
736 |
708 |
0.963 |
13 |
116 |
| |
|
9 |
A" |
3168 |
3000 |
0.947 |
13 |
117 |
| |
|
10 |
A" |
1519 |
1430 |
0.942 |
13 |
118 |
| |
|
11 |
A" |
1015 |
976 |
0.961 |
13 |
119 |
| C3H8 |
Propane |
1 |
A1 |
3124 |
2977 |
0.953 |
14 |
120 |
| |
|
2 |
A1 |
3045 |
2962 |
0.973 |
14 |
121 |
| |
|
3 |
A1 |
3041 |
2887 |
0.949 |
14 |
122 |
| |
|
4 |
A1 |
1557 |
1476 |
0.948 |
14 |
123 |
| |
|
5 |
A1 |
1536 |
1462 |
0.952 |
14 |
124 |
| |
|
6 |
A1 |
1465 |
1392 |
0.950 |
14 |
125 |
| |
|
7 |
A1 |
1206 |
1158 |
0.960 |
14 |
126 |
| |
|
8 |
A1 |
899 |
869 |
0.967 |
14 |
127 |
| |
|
9 |
A1 |
374 |
369 |
0.985 |
14 |
128 |
| |
|
10 |
A2 |
3113 |
2967 |
0.953 |
14 |
129 |
| |
|
11 |
A2 |
1534 |
1451 |
0.946 |
14 |
130 |
| |
|
12 |
A2 |
1342 |
1278 |
0.952 |
14 |
131 |
| |
|
13 |
A2 |
928 |
940 |
1.013 |
14 |
132 |
| |
|
14 |
A2 |
230 |
216 |
0.937 |
14 |
133 |
| |
|
15 |
B1 |
3122 |
2973 |
0.952 |
14 |
134 |
| |
|
16 |
B1 |
3074 |
2968 |
0.966 |
14 |
135 |
| |
|
17 |
B1 |
1551 |
1472 |
0.949 |
14 |
136 |
| |
|
18 |
B1 |
1251 |
1192 |
0.953 |
14 |
137 |
| |
|
19 |
B1 |
762 |
748 |
0.982 |
14 |
138 |
| |
|
20 |
B1 |
284 |
268 |
0.944 |
14 |
139 |
| |
|
21 |
B2 |
3121 |
2968 |
0.951 |
14 |
140 |
| |
|
22 |
B2 |
3042 |
2887 |
0.949 |
14 |
141 |
| |
|
23 |
B2 |
1541 |
1464 |
0.950 |
14 |
142 |
| |
|
24 |
B2 |
1453 |
1378 |
0.948 |
14 |
143 |
| |
|
25 |
B2 |
1402 |
1338 |
0.955 |
14 |
144 |
| |
|
26 |
B2 |
1093 |
1054 |
0.964 |
14 |
145 |
| |
|
27 |
B2 |
948 |
922 |
0.973 |
14 |
146 |
| CH3CCH |
propyne |
1 |
A1 |
3474 |
3334 |
0.960 |
15 |
147 |
| |
|
2 |
A1 |
3057 |
2918 |
0.955 |
15 |
148 |
| |
|
3 |
A1 |
2198 |
2124 |
0.966 |
15 |
149 |
| |
|
4 |
A1 |
1455 |
1382 |
0.950 |
15 |
150 |
| |
|
5 |
A1 |
945 |
931 |
0.985 |
15 |
151 |
| |
|
6 |
E |
3133 |
3008 |
0.960 |
15 |
152 |
| |
|
7 |
E |
1525 |
1452 |
0.952 |
15 |
153 |
| |
|
8 |
E |
1070 |
1053 |
0.984 |
15 |
154 |
| |
|
9 |
E |
501 |
633 |
1.262 |
15 |
155 |
| |
|
10 |
E |
221 |
328 |
1.484 |
15 |
156 |
| CH3CH2Cl |
Ethyl chloride |
1 |
A' |
3138 |
2967 |
0.945 |
16 |
157 |
| |
|
2 |
A' |
3105 |
2946 |
0.949 |
16 |
158 |
| |
|
3 |
A' |
3061 |
2881 |
0.941 |
16 |
159 |
| |
|
4 |
A' |
1544 |
1463 |
0.947 |
16 |
160 |
| |
|
5 |
A' |
1535 |
1448 |
0.944 |
16 |
161 |
| |
|
6 |
A' |
1459 |
1385 |
0.949 |
16 |
162 |
| |
|
7 |
A' |
1370 |
1289 |
0.941 |
16 |
163 |
| |
|
8 |
A' |
1117 |
1081 |
0.968 |
16 |
164 |
| |
|
9 |
A' |
1016 |
974 |
0.959 |
16 |
165 |
| |
|
10 |
A' |
699 |
677 |
0.968 |
16 |
166 |
| |
|
11 |
A' |
338 |
336 |
0.993 |
16 |
167 |
| |
|
12 |
A" |
3169 |
3014 |
0.951 |
16 |
168 |
| |
|
13 |
A" |
3147 |
2986 |
0.949 |
16 |
169 |
| |
|
14 |
A" |
1529 |
1448 |
0.947 |
16 |
170 |
| |
|
15 |
A" |
1309 |
1251 |
0.956 |
16 |
171 |
| |
|
16 |
A" |
1119 |
974 |
0.871 |
16 |
172 |
| |
|
17 |
A" |
804 |
786 |
0.977 |
16 |
173 |
| |
|
18 |
A" |
275 |
251 |
0.914 |
16 |
174 |
| CH2CHCl |
Ethene, chloro- |
1 |
A' |
3271 |
3121 |
0.954 |
17 |
175 |
| |
|
2 |
A' |
3234 |
3086 |
0.954 |
17 |
176 |
| |
|
3 |
A' |
3178 |
3030 |
0.954 |
17 |
177 |
| |
|
4 |
A' |
1672 |
1608 |
0.961 |
17 |
178 |
| |
|
5 |
A' |
1433 |
1368 |
0.955 |
17 |
179 |
| |
|
6 |
A' |
1332 |
1279 |
0.960 |
17 |
180 |
| |
|
7 |
A' |
1065 |
1030 |
0.967 |
17 |
181 |
| |
|
8 |
A' |
737 |
720 |
0.976 |
17 |
182 |
| |
|
9 |
A' |
402 |
395 |
0.983 |
17 |
183 |
| |
|
10 |
A" |
965 |
941 |
0.975 |
17 |
184 |
| |
|
11 |
A" |
889 |
896 |
1.008 |
17 |
185 |
| |
|
12 |
A" |
622 |
620 |
0.996 |
17 |
186 |
| CH2CHF |
Ethene, fluoro- |
1 |
A' |
3291 |
3115 |
0.947 |
18 |
187 |
| |
|
2 |
A' |
3227 |
3080 |
0.954 |
18 |
188 |
| |
|
3 |
A' |
3193 |
3052 |
0.956 |
18 |
189 |
| |
|
4 |
A' |
1723 |
1654 |
0.960 |
18 |
190 |
| |
|
5 |
A' |
1446 |
1380 |
0.955 |
18 |
191 |
| |
|
6 |
A' |
1348 |
1306 |
0.969 |
18 |
192 |
| |
|
7 |
A' |
1189 |
1156 |
0.972 |
18 |
193 |
| |
|
8 |
A' |
951 |
929 |
0.976 |
18 |
194 |
| |
|
9 |
A' |
479 |
483 |
1.009 |
18 |
195 |
| |
|
10 |
A" |
948 |
940 |
0.992 |
18 |
196 |
| |
|
11 |
A" |
841 |
863 |
1.026 |
18 |
197 |
| |
|
12 |
A" |
717 |
711 |
0.992 |
18 |
198 |
| CH3CN |
Acetonitrile |
1 |
A1 |
3077 |
2954 |
0.960 |
19 |
199 |
| |
|
2 |
A1 |
2313 |
2267 |
0.980 |
19 |
200 |
| |
|
3 |
A1 |
1453 |
1385 |
0.953 |
19 |
201 |
| |
|
4 |
A1 |
932 |
920 |
0.988 |
19 |
202 |
| |
|
5 |
E |
3162 |
3009 |
0.952 |
19 |
203 |
| |
|
6 |
E |
1519 |
1448 |
0.953 |
19 |
204 |
| |
|
7 |
E |
1080 |
1041 |
0.964 |
19 |
205 |
| |
|
8 |
E |
349 |
362 |
1.037 |
19 |
206 |
| CH3CHO |
Acetaldehyde |
1 |
A' |
3174 |
3014 |
0.950 |
20 |
207 |
| |
|
2 |
A' |
3053 |
2923 |
0.957 |
20 |
208 |
| |
|
3 |
A' |
2945 |
2716 |
0.922 |
20 |
209 |
| |
|
4 |
A' |
1804 |
1743 |
0.966 |
20 |
210 |
| |
|
5 |
A' |
1510 |
1433 |
0.949 |
20 |
211 |
| |
|
6 |
A' |
1452 |
1395 |
0.961 |
20 |
212 |
| |
|
7 |
A' |
1423 |
1352 |
0.950 |
20 |
213 |
| |
|
8 |
A' |
1154 |
1114 |
0.966 |
20 |
214 |
| |
|
9 |
A' |
915 |
867 |
0.948 |
20 |
215 |
| |
|
10 |
A' |
511 |
509 |
0.997 |
20 |
216 |
| |
|
11 |
A" |
3122 |
2964 |
0.949 |
20 |
217 |
| |
|
12 |
A" |
1514 |
1431 |
0.945 |
20 |
218 |
| |
|
13 |
A" |
1152 |
1102 |
0.957 |
20 |
219 |
| |
|
14 |
A" |
787 |
764 |
0.971 |
20 |
220 |
| |
|
15 |
A" |
145 |
150 |
1.033 |
20 |
221 |
| CH3CH2SH |
ethanethiol |
1 |
A' |
3138 |
2966 |
0.945 |
21 |
222 |
| |
|
2 |
A' |
3080 |
2872 |
0.932 |
21 |
223 |
| |
|
3 |
A' |
3059 |
2872 |
0.939 |
21 |
224 |
| |
|
4 |
A' |
2695 |
2580 |
0.957 |
21 |
225 |
| |
|
5 |
A' |
1547 |
1453 |
0.939 |
21 |
226 |
| |
|
6 |
A' |
1537 |
1453 |
0.945 |
21 |
227 |
| |
|
7 |
A' |
1460 |
1385 |
0.949 |
21 |
228 |
| |
|
8 |
A' |
1355 |
1309 |
0.966 |
21 |
229 |
| |
|
9 |
A' |
1141 |
1097 |
0.961 |
21 |
230 |
| |
|
10 |
A' |
1024 |
978 |
0.955 |
21 |
231 |
| |
|
11 |
A' |
887 |
870 |
0.981 |
21 |
232 |
| |
|
12 |
A' |
697 |
660 |
0.947 |
21 |
233 |
| |
|
13 |
A' |
311 |
332 |
1.069 |
21 |
234 |
| |
|
14 |
A" |
3147 |
2966 |
0.943 |
21 |
235 |
| |
|
15 |
A" |
3125 |
2930 |
0.938 |
21 |
236 |
| |
|
16 |
A" |
1537 |
1453 |
0.946 |
21 |
237 |
| |
|
17 |
A" |
1303 |
1269 |
0.974 |
21 |
238 |
| |
|
18 |
A" |
1086 |
1049 |
0.966 |
21 |
239 |
| |
|
19 |
A" |
809 |
745 |
0.920 |
21 |
240 |
| CH2Cl2 |
Methylene chloride |
1 |
A1 |
3145 |
2999 |
0.953 |
22 |
241 |
| |
|
2 |
A1 |
1509 |
1467 |
0.972 |
22 |
242 |
| |
|
3 |
A1 |
733 |
717 |
0.978 |
22 |
243 |
| |
|
4 |
A1 |
293 |
282 |
0.961 |
22 |
244 |
| |
|
5 |
A2 |
1225 |
1153 |
0.941 |
22 |
245 |
| |
|
6 |
B1 |
3221 |
3040 |
0.944 |
22 |
246 |
| |
|
7 |
B1 |
935 |
898 |
0.960 |
22 |
247 |
| |
|
8 |
B2 |
1354 |
1268 |
0.937 |
22 |
248 |
| |
|
9 |
B2 |
791 |
758 |
0.958 |
22 |
249 |
| CH2F2 |
Methane, difluoro- |
1 |
A1 |
3090 |
2948 |
0.954 |
23 |
250 |
| |
|
2 |
A1 |
1590 |
1508 |
0.949 |
23 |
251 |
| |
|
3 |
A1 |
1140 |
1111 |
0.975 |
23 |
252 |
| |
|
4 |
A1 |
519 |
529 |
1.018 |
23 |
253 |
| |
|
5 |
A2 |
1290 |
1262 |
0.979 |
23 |
254 |
| |
|
6 |
B1 |
3162 |
3014 |
0.953 |
23 |
255 |
| |
|
7 |
B1 |
1205 |
1178 |
0.978 |
23 |
256 |
| |
|
8 |
B2 |
1505 |
1435 |
0.954 |
23 |
257 |
| |
|
9 |
B2 |
1155 |
1090 |
0.944 |
23 |
258 |
| HNCO |
Isocyanic acid |
1 |
A' |
3680 |
3538 |
0.962 |
24 |
259 |
| |
|
2 |
A' |
2328 |
2269 |
0.975 |
24 |
260 |
| |
|
3 |
A' |
1311 |
1327 |
1.012 |
24 |
261 |
| |
|
4 |
A' |
809 |
777 |
0.960 |
24 |
262 |
| |
|
5 |
A' |
555 |
577 |
1.041 |
24 |
263 |
| |
|
6 |
A" |
601 |
656 |
1.093 |
24 |
264 |
| CS2 |
Carbon disulfide |
1 |
Σg |
671 |
658 |
0.981 |
25 |
265 |
| |
|
2 |
Σu |
1565 |
1535 |
0.981 |
25 |
266 |
| |
|
3 |
Πu |
393 |
397 |
1.010 |
25 |
267 |
| CH3SCH3 |
Dimethyl sulfide |
1 |
A1 |
3159 |
2998 |
0.949 |
26 |
268 |
| |
|
2 |
A1 |
3056 |
2930 |
0.959 |
26 |
269 |
| |
|
3 |
A1 |
1532 |
1444 |
0.942 |
26 |
270 |
| |
|
4 |
A1 |
1433 |
1331 |
0.929 |
26 |
271 |
| |
|
5 |
A1 |
1088 |
973 |
0.894 |
26 |
272 |
| |
|
6 |
A1 |
719 |
695 |
0.966 |
26 |
273 |
| |
|
7 |
A1 |
276 |
282 |
1.021 |
26 |
274 |
| |
|
8 |
A2 |
3142 |
2952 |
0.940 |
26 |
275 |
| |
|
9 |
A2 |
1505 |
1420 |
0.944 |
26 |
276 |
| |
|
10 |
A2 |
995 |
919 |
0.923 |
26 |
277 |
| |
|
12 |
B1 |
3136 |
2970 |
0.947 |
26 |
278 |
| |
|
13 |
B1 |
1516 |
1439 |
0.949 |
26 |
279 |
| |
|
14 |
B1 |
1032 |
973 |
0.943 |
26 |
280 |
| |
|
15 |
B1 |
185 |
182 |
0.984 |
26 |
281 |
| |
|
16 |
B2 |
3159 |
2998 |
0.949 |
26 |
282 |
| |
|
17 |
B2 |
3059 |
2930 |
0.958 |
26 |
283 |
| |
|
18 |
B2 |
1524 |
1444 |
0.948 |
26 |
284 |
| |
|
19 |
B2 |
1408 |
1315 |
0.934 |
26 |
285 |
| |
|
20 |
B2 |
951 |
903 |
0.950 |
26 |
286 |
| |
|
21 |
B2 |
774 |
743 |
0.959 |
26 |
287 |
| C3H6 |
Cyclopropane |
1 |
A1' |
3164 |
3038 |
0.960 |
27 |
288 |
| |
|
2 |
A1' |
1567 |
1479 |
0.944 |
27 |
289 |
| |
|
3 |
A1' |
1241 |
1188 |
0.957 |
27 |
290 |
| |
|
4 |
A1" |
1182 |
1126 |
0.953 |
27 |
291 |
| |
|
5 |
A2' |
1107 |
1070 |
0.967 |
27 |
292 |
| |
|
6 |
A2" |
3250 |
3103 |
0.955 |
27 |
293 |
| |
|
7 |
A2" |
873 |
854 |
0.978 |
27 |
294 |
| |
|
8 |
E' |
3153 |
3025 |
0.959 |
27 |
295 |
| |
|
9 |
E' |
1512 |
1438 |
0.951 |
27 |
296 |
| |
|
10 |
E' |
1101 |
1029 |
0.935 |
27 |
297 |
| |
|
11 |
E' |
912 |
866 |
0.950 |
27 |
298 |
| |
|
12 |
E" |
3231 |
3082 |
0.954 |
27 |
299 |
| |
|
13 |
E" |
1240 |
1188 |
0.958 |
27 |
300 |
| |
|
14 |
E" |
759 |
739 |
0.973 |
27 |
301 |
| C2H4O |
Ethylene oxide |
1 |
A1 |
3125 |
3006 |
0.962 |
28 |
302 |
| |
|
2 |
A1 |
1579 |
1498 |
0.949 |
28 |
303 |
| |
|
3 |
A1 |
1312 |
1271 |
0.969 |
28 |
304 |
| |
|
4 |
A1 |
1177 |
1120 |
0.952 |
28 |
305 |
| |
|
5 |
A1 |
906 |
877 |
0.968 |
28 |
306 |
| |
|
6 |
A2 |
3199 |
3063 |
0.957 |
28 |
307 |
| |
|
7 |
A2 |
1198 |
1300 |
1.085 |
28 |
308 |
| |
|
8 |
A2 |
1053 |
860 |
0.817 |
28 |
309 |
| |
|
9 |
B1 |
3214 |
3065 |
0.954 |
28 |
310 |
| |
|
10 |
B1 |
1176 |
1142 |
0.971 |
28 |
311 |
| |
|
11 |
B1 |
829 |
822 |
0.991 |
28 |
312 |
| |
|
12 |
B2 |
3116 |
3006 |
0.965 |
28 |
313 |
| |
|
13 |
B2 |
1539 |
1472 |
0.957 |
28 |
314 |
| |
|
14 |
B2 |
1154 |
1151 |
0.997 |
28 |
315 |
| |
|
15 |
B2 |
857 |
892 |
1.041 |
28 |
316 |
| CH2CHCH3 |
Propene |
1 |
A' |
3238 |
3090 |
0.954 |
29 |
317 |
| |
|
2 |
A' |
3158 |
3013 |
0.954 |
29 |
318 |
| |
|
3 |
A' |
3148 |
2991 |
0.950 |
29 |
319 |
| |
|
4 |
A' |
3126 |
2954 |
0.945 |
29 |
320 |
| |
|
5 |
A' |
3042 |
2871 |
0.944 |
29 |
321 |
| |
|
6 |
A' |
1720 |
1650 |
0.959 |
29 |
322 |
| |
|
7 |
A' |
1540 |
1470 |
0.955 |
29 |
323 |
| |
|
8 |
A' |
1484 |
1420 |
0.957 |
29 |
324 |
| |
|
9 |
A' |
1448 |
1378 |
0.951 |
29 |
325 |
| |
|
10 |
A' |
1341 |
1297 |
0.967 |
29 |
326 |
| |
|
11 |
A' |
1213 |
1171 |
0.965 |
29 |
327 |
| |
|
12 |
A' |
964 |
963 |
0.999 |
29 |
328 |
| |
|
13 |
A' |
942 |
920 |
0.976 |
29 |
329 |
| |
|
14 |
A' |
426 |
428 |
1.005 |
29 |
330 |
| |
|
15 |
A" |
3103 |
2954 |
0.952 |
29 |
331 |
| |
|
16 |
A" |
1525 |
1443 |
0.947 |
29 |
332 |
| |
|
17 |
A" |
1089 |
1045 |
0.960 |
29 |
333 |
| |
|
18 |
A" |
1010 |
991 |
0.981 |
29 |
334 |
| |
|
19 |
A" |
905 |
912 |
1.008 |
29 |
335 |
| |
|
20 |
A" |
579 |
578 |
0.998 |
29 |
336 |
| |
|
21 |
A" |
195 |
174 |
0.894 |
29 |
337 |
| CH3OCH3 |
Dimethyl ether |
1 |
A1 |
3151 |
2996 |
0.951 |
30 |
338 |
| |
|
2 |
A1 |
3004 |
2817 |
0.938 |
30 |
339 |
| |
|
3 |
A1 |
1560 |
1464 |
0.938 |
30 |
340 |
| |
|
4 |
A1 |
1525 |
1452 |
0.952 |
30 |
341 |
| |
|
5 |
A1 |
1288 |
1244 |
0.966 |
30 |
342 |
| |
|
6 |
A1 |
962 |
928 |
0.965 |
30 |
343 |
| |
|
7 |
A1 |
427 |
418 |
0.980 |
30 |
344 |
| |
|
8 |
A2 |
3052 |
2952 |
0.967 |
30 |
345 |
| |
|
9 |
A2 |
1524 |
1464 |
0.960 |
30 |
346 |
| |
|
10 |
A2 |
1177 |
1150 |
0.977 |
30 |
347 |
| |
|
11 |
A2 |
215 |
203 |
0.943 |
30 |
348 |
| |
|
12 |
B1 |
3049 |
2925 |
0.959 |
30 |
349 |
| |
|
13 |
B1 |
1535 |
1464 |
0.954 |
30 |
350 |
| |
|
14 |
B1 |
1215 |
1179 |
0.970 |
30 |
351 |
| |
|
15 |
B1 |
262 |
242 |
0.922 |
30 |
352 |
| |
|
16 |
B2 |
3150 |
2996 |
0.951 |
30 |
353 |
| |
|
17 |
B2 |
2993 |
2817 |
0.941 |
30 |
354 |
| |
|
18 |
B2 |
1543 |
1464 |
0.949 |
30 |
355 |
| |
|
19 |
B2 |
1490 |
1452 |
0.974 |
30 |
356 |
| |
|
20 |
B2 |
1223 |
1227 |
1.003 |
30 |
357 |
| |
|
21 |
B2 |
1137 |
1102 |
0.969 |
30 |
358 |
| CO2 |
Carbon dioxide |
1 |
Σg |
1346 |
1333 |
0.991 |
31 |
359 |
| |
|
2 |
Σu |
2411 |
2349 |
0.974 |
31 |
360 |
| |
|
3 |
Πu |
638 |
667 |
1.045 |
31 |
361 |
| C2H5N |
Aziridine |
1 |
A' |
3462 |
3338 |
0.964 |
32 |
362 |
| |
|
2 |
A' |
3230 |
3079 |
0.953 |
32 |
363 |
| |
|
3 |
A' |
3142 |
3015 |
0.960 |
32 |
364 |
| |
|
4 |
A' |
1567 |
1482 |
0.946 |
32 |
365 |
| |
|
5 |
A' |
1330 |
1237 |
0.930 |
32 |
366 |
| |
|
6 |
A' |
1265 |
1211 |
0.957 |
32 |
367 |
| |
|
7 |
A' |
1144 |
1090 |
0.953 |
32 |
368 |
| |
|
8 |
A' |
1032 |
998 |
0.967 |
32 |
369 |
| |
|
9 |
A' |
895 |
856 |
0.956 |
32 |
370 |
| |
|
10 |
A' |
793 |
773 |
0.975 |
32 |
371 |
| |
|
11 |
A" |
3217 |
3079 |
0.957 |
32 |
372 |
| |
|
12 |
A" |
3134 |
3015 |
0.962 |
32 |
373 |
| |
|
13 |
A" |
1533 |
1463 |
0.954 |
32 |
374 |
| |
|
14 |
A" |
1301 |
1268 |
0.974 |
32 |
375 |
| |
|
15 |
A" |
1178 |
1131 |
0.960 |
32 |
376 |
| |
|
16 |
A" |
1126 |
1095 |
0.973 |
32 |
377 |
| |
|
17 |
A" |
931 |
904 |
0.971 |
32 |
378 |
| |
|
18 |
A" |
877 |
817 |
0.932 |
32 |
379 |
| N2H4 |
Hydrazine |
1 |
A |
3536 |
3398 |
0.961 |
33 |
380 |
| |
|
2 |
A |
3424 |
3329 |
0.972 |
33 |
381 |
| |
|
3 |
A |
1737 |
1642 |
0.945 |
33 |
382 |
| |
|
4 |
A |
1374 |
1275 |
0.928 |
33 |
383 |
| |
|
5 |
A |
1151 |
1076 |
0.935 |
33 |
384 |
| |
|
6 |
A |
887 |
780 |
0.879 |
33 |
385 |
| |
|
7 |
A |
400 |
377 |
0.941 |
33 |
386 |
| |
|
8 |
B |
3541 |
3350 |
0.946 |
33 |
387 |
| |
|
9 |
B |
3410 |
3314 |
0.972 |
33 |
388 |
| |
|
10 |
B |
1723 |
1628 |
0.945 |
33 |
389 |
| |
|
11 |
B |
1336 |
1275 |
0.954 |
33 |
390 |
| |
|
12 |
B |
1092 |
966 |
0.885 |
33 |
391 |
| CH2CCH2 |
allene |
1 |
A1 |
3155 |
3015 |
0.956 |
34 |
392 |
| |
|
2 |
A1 |
1513 |
1443 |
0.954 |
34 |
393 |
| |
|
3 |
A1 |
1094 |
1073 |
0.981 |
34 |
394 |
| |
|
4 |
B1 |
873 |
865 |
0.991 |
34 |
395 |
| |
|
5 |
B2 |
3154 |
3007 |
0.953 |
34 |
396 |
| |
|
6 |
B2 |
2033 |
1957 |
0.963 |
34 |
397 |
| |
|
7 |
B2 |
1465 |
1398 |
0.954 |
34 |
398 |
| |
|
8 |
E |
3232 |
3086 |
0.955 |
34 |
399 |
| |
|
9 |
E |
1042 |
999 |
0.958 |
34 |
400 |
| |
|
10 |
E |
859 |
841 |
0.979 |
34 |
401 |
| |
|
11 |
E |
349 |
355 |
1.018 |
34 |
402 |
| CH2CO |
Ketene |
1 |
A1 |
3218 |
3070 |
0.954 |
35 |
403 |
| |
|
2 |
A1 |
2210 |
2152 |
0.974 |
35 |
404 |
| |
|
3 |
A1 |
1443 |
1388 |
0.962 |
35 |
405 |
| |
|
4 |
A1 |
1164 |
1118 |
0.960 |
35 |
406 |
| |
|
5 |
B1 |
590 |
588 |
0.997 |
35 |
407 |
| |
|
6 |
B1 |
496 |
528 |
1.064 |
35 |
408 |
| |
|
7 |
B2 |
3317 |
3166 |
0.954 |
35 |
409 |
| |
|
8 |
B2 |
1016 |
977 |
0.961 |
35 |
410 |
| |
|
9 |
B2 |
433 |
433 |
1.000 |
35 |
411 |
| OCS |
Carbonyl sulfide |
1 |
Σ |
2098 |
2062 |
0.983 |
36 |
412 |
| |
|
2 |
Σ |
872 |
859 |
0.985 |
36 |
413 |
| |
|
3 |
Π |
491 |
520 |
1.060 |
36 |
414 |
| ClCN |
chlorocyanogen |
1 |
Σ |
2257 |
2216 |
0.982 |
37 |
415 |
| |
|
2 |
Σ |
738 |
744 |
1.008 |
37 |
416 |
| |
|
3 |
Π |
344 |
378 |
1.098 |
37 |
417 |
| CH3F |
Methyl fluoride |
1 |
A1 |
3058 |
2930 |
0.958 |
38 |
418 |
| |
|
2 |
A1 |
1534 |
1464 |
0.955 |
38 |
419 |
| |
|
3 |
A1 |
1094 |
1049 |
0.959 |
38 |
420 |
| |
|
4 |
E |
3145 |
3006 |
0.956 |
38 |
421 |
| |
|
5 |
E |
1541 |
1467 |
0.952 |
38 |
422 |
| |
|
6 |
E |
1210 |
1182 |
0.977 |
38 |
423 |
| CH3PH2 |
Methyl phosphine |
1 |
A' |
3159 |
3000 |
0.950 |
39 |
424 |
| |
|
2 |
A' |
3067 |
2938 |
0.958 |
39 |
425 |
| |
|
3 |
A' |
2401 |
2297 |
0.957 |
39 |
426 |
| |
|
4 |
A' |
1519 |
1450 |
0.955 |
39 |
427 |
| |
|
5 |
A' |
1395 |
1238 |
0.888 |
39 |
428 |
| |
|
6 |
A' |
1122 |
1086 |
0.968 |
39 |
429 |
| |
|
7 |
A' |
1028 |
977 |
0.950 |
39 |
430 |
| |
|
8 |
A' |
757 |
740 |
0.977 |
39 |
431 |
| |
|
9 |
A' |
698 |
677 |
0.970 |
39 |
432 |
| |
|
10 |
A" |
3149 |
2992 |
0.950 |
39 |
433 |
| |
|
11 |
A" |
2411 |
2312 |
0.959 |
39 |
434 |
| |
|
12 |
A" |
1523 |
1450 |
0.952 |
39 |
435 |
| |
|
13 |
A" |
1060 |
1017 |
0.960 |
39 |
436 |
| |
|
15 |
A" |
234 |
207 |
0.884 |
39 |
437 |
| CO |
Carbon monoxide |
1 |
Σ |
2154 |
2170 |
1.007 |
40 |
438 |
| |
|
1 |
Σ |
2154 |
1743 |
0.809 |
40 |
439 |
| H2CS |
Thioformaldehyde |
1 |
A1 |
3111 |
2971 |
0.955 |
41 |
440 |
| |
|
2 |
A1 |
1544 |
1456 |
0.943 |
41 |
441 |
| |
|
3 |
A1 |
1069 |
1059 |
0.991 |
41 |
442 |
| |
|
4 |
B1 |
1008 |
990 |
0.983 |
41 |
443 |
| |
|
5 |
B2 |
3200 |
3025 |
0.945 |
41 |
444 |
| |
|
6 |
B2 |
1036 |
991 |
0.956 |
41 |
445 |
| CH3SiH3 |
methyl silane |
1 |
A1 |
3054 |
2898 |
0.949 |
42 |
446 |
| |
|
2 |
A1 |
2245 |
2166 |
0.965 |
42 |
447 |
| |
|
3 |
A1 |
1363 |
1260 |
0.924 |
42 |
448 |
| |
|
4 |
A1 |
952 |
940 |
0.988 |
42 |
449 |
| |
|
5 |
A1 |
704 |
700 |
0.994 |
42 |
450 |
| |
|
6 |
A2 |
197 |
187 |
0.949 |
42 |
451 |
| |
|
7 |
E |
3138 |
2982 |
0.950 |
42 |
452 |
| |
|
8 |
E |
2252 |
2169 |
0.963 |
42 |
453 |
| |
|
9 |
E |
1509 |
1403 |
0.930 |
42 |
454 |
| |
|
10 |
E |
964 |
980 |
1.016 |
42 |
455 |
| |
|
11 |
E |
921 |
868 |
0.942 |
42 |
456 |
| |
|
12 |
E |
527 |
540 |
1.024 |
42 |
457 |
| BeO |
beryllium oxide |
1 |
Σ |
1440 |
1457 |
1.012 |
43 |
458 |
| MgO |
magnesium oxide |
1 |
Σ |
753 |
785 |
1.043 |
44 |
459 |
| NaOH |
sodium hydroxide |
1 |
Σ |
3843 |
3637 |
0.946 |
45 |
460 |
| |
|
2 |
Σ |
607 |
540 |
0.889 |
45 |
461 |
| |
|
3 |
Π |
123 |
300 |
2.432 |
45 |
462 |
| H2 |
Hydrogen diatomic |
1 |
Σg |
4368 |
4401 |
1.008 |
46 |
463 |
| Si2H6 |
disilane |
1 |
A1g |
2241 |
2152 |
0.960 |
47 |
464 |
| |
|
2 |
A1g |
937 |
909 |
0.970 |
47 |
465 |
| |
|
3 |
A1g |
453 |
434 |
0.959 |
47 |
466 |
| |
|
4 |
A1u |
134 |
131 |
0.974 |
47 |
467 |
| |
|
5 |
A2u |
2231 |
2154 |
0.966 |
47 |
468 |
| |
|
6 |
A2u |
862 |
844 |
0.978 |
47 |
469 |
| |
|
7 |
Eg |
2246 |
2155 |
0.960 |
47 |
470 |
| |
|
8 |
Eg |
939 |
929 |
0.989 |
47 |
471 |
| |
|
9 |
Eg |
646 |
625 |
0.968 |
47 |
472 |
| |
|
10 |
Eu |
2254 |
2179 |
0.967 |
47 |
473 |
| |
|
11 |
Eu |
955 |
940 |
0.984 |
47 |
474 |
| |
|
12 |
Eu |
378 |
379 |
1.004 |
47 |
475 |
| CH2NH |
Methanimine |
1 |
A' |
3386 |
3263 |
0.964 |
48 |
476 |
| |
|
2 |
A' |
3176 |
3024 |
0.952 |
48 |
477 |
| |
|
3 |
A' |
3067 |
2914 |
0.950 |
48 |
478 |
| |
|
4 |
A' |
1694 |
1638 |
0.967 |
48 |
479 |
| |
|
5 |
A' |
1504 |
1452 |
0.965 |
48 |
480 |
| |
|
6 |
A' |
1406 |
1344 |
0.956 |
48 |
481 |
| |
|
7 |
A' |
1087 |
1058 |
0.973 |
48 |
482 |
| |
|
8 |
A" |
1165 |
1127 |
0.967 |
48 |
483 |
| |
|
9 |
A" |
1071 |
1061 |
0.991 |
48 |
484 |
| CN |
Cyano radical |
1 |
Σ |
2116 |
2069 |
0.978 |
49 |
485 |
| CF2 |
Difluoromethylene |
1 |
A1 |
1258 |
1225 |
0.974 |
50 |
486 |
| |
|
1 |
A1 |
1153 |
1225 |
1.063 |
50 |
487 |
| |
|
2 |
A1 |
655 |
667 |
1.019 |
50 |
488 |
| |
|
2 |
A1 |
504 |
667 |
1.324 |
50 |
489 |
| |
|
3 |
B2 |
1165 |
1114 |
0.957 |
50 |
490 |
| |
|
3 |
B2 |
1347 |
1114 |
0.827 |
50 |
491 |
| HCO |
Formyl radical |
1 |
A' |
2678 |
2434 |
0.909 |
51 |
492 |
| |
|
2 |
A' |
1903 |
1868 |
0.981 |
51 |
493 |
| |
|
3 |
A' |
1141 |
1081 |
0.947 |
51 |
494 |
| ClNO |
Nitrosyl chloride |
1 |
A' |
1828 |
1800 |
0.985 |
52 |
495 |
| |
|
2 |
A' |
599 |
596 |
0.995 |
52 |
496 |
| |
|
3 |
A' |
323 |
332 |
1.026 |
52 |
497 |
| C3H3 |
Propargyl radical |
1 |
A1 |
3469 |
3322 |
0.958 |
53 |
498 |
| |
|
6 |
B1 |
639 |
687 |
1.075 |
53 |
499 |
| |
|
7 |
B1 |
412 |
490 |
1.190 |
53 |
500 |
| CS |
carbon monosulfide |
1 |
Σ |
1275 |
1285 |
1.008 |
54 |
501 |
| HO2 |
Hydroperoxy radical |
1 |
A' |
3550 |
3436 |
0.968 |
55 |
502 |
| |
|
2 |
A' |
1448 |
1392 |
0.961 |
55 |
503 |
| |
|
3 |
A' |
1117 |
1098 |
0.983 |
55 |
504 |
| CH |
Methylidyne |
1 |
Σ |
2800 |
2861 |
1.022 |
56 |
505 |
| |
|
1 |
Σ |
3172 |
2861 |
0.902 |
56 |
506 |
| |
|
1 |
Σ |
2800 |
3145 |
1.123 |
56 |
507 |
| |
|
1 |
Σ |
3172 |
3145 |
0.991 |
56 |
508 |
| |
|
1 |
Σ |
2800 |
2931 |
1.047 |
56 |
509 |
| |
|
1 |
Σ |
3172 |
2931 |
0.924 |
56 |
510 |
| OH |
Hydroxyl radical |
1 |
Σ |
3625 |
3738 |
1.031 |
57 |
511 |
| NF2 |
Difluoroamino radical |
1 |
A1 |
1092 |
1075 |
0.984 |
58 |
512 |
| |
|
2 |
A1 |
557 |
573 |
1.028 |
58 |
513 |
| |
|
3 |
B2 |
987 |
942 |
0.955 |
58 |
514 |
| CF |
Fluoromethylidyne |
1 |
Σ |
1304 |
1308 |
1.003 |
59 |
515 |
| HCP |
HCP |
1 |
Σ |
3364 |
3217 |
0.956 |
60 |
516 |
| |
|
2 |
Σ |
1286 |
1278 |
0.994 |
60 |
517 |
| |
|
3 |
Π |
673 |
674 |
1.002 |
60 |
518 |
| SO2 |
Sulfur dioxide |
1 |
A1 |
1105 |
1151 |
1.042 |
61 |
519 |
| |
|
2 |
A1 |
497 |
518 |
1.042 |
61 |
520 |
| |
|
3 |
B2 |
1317 |
1362 |
1.034 |
61 |
521 |
| LiCl |
lithium chloride |
1 |
Σ |
634 |
643 |
1.014 |
62 |
522 |
| LiH |
Lithium Hydride |
1 |
Σ |
1333 |
1405 |
1.054 |
63 |
523 |
| SiO2 |
silicon dioxide |
2 |
Σu |
1431 |
1416 |
0.990 |
64 |
524 |
| |
|
3 |
Πu |
261 |
273 |
1.043 |
64 |
525 |
| NaH |
sodium hydride |
1 |
Σ |
1112 |
1172 |
1.054 |
65 |
526 |
| HCl |
Hydrogen chloride |
1 |
Σ |
2963 |
2991 |
1.009 |
66 |
527 |
| NaCl |
Sodium Chloride |
1 |
Σ |
369 |
365 |
0.988 |
67 |
528 |
| HF |
Hydrogen fluoride |
1 |
Σ |
4004 |
4138 |
1.033 |
68 |
529 |
| NH3 |
Ammonia |
1 |
A1 |
3433 |
3337 |
0.972 |
69 |
530 |
| |
|
2 |
A1 |
1181 |
950 |
0.804 |
69 |
531 |
| |
|
3 |
E |
3574 |
3444 |
0.964 |
69 |
532 |
| |
|
4 |
E |
1746 |
1627 |
0.932 |
69 |
533 |
| NaF |
sodium fluoride |
1 |
Σ |
582 |
536 |
0.921 |
70 |
534 |
| MgH2 |
magnesium dihydride |
2 |
Σu |
1581 |
1572 |
0.994 |
71 |
535 |
| |
|
3 |
Πu |
444 |
440 |
0.990 |
71 |
536 |
| H2O2 |
Hydrogen peroxide |
1 |
A |
3699 |
3599 |
0.973 |
72 |
537 |
| |
|
2 |
A |
1454 |
1402 |
0.965 |
72 |
538 |
| |
|
3 |
A |
879 |
877 |
0.998 |
72 |
539 |
| |
|
4 |
A |
321 |
371 |
1.155 |
72 |
540 |
| |
|
5 |
B |
3702 |
3608 |
0.975 |
72 |
541 |
| |
|
6 |
B |
1310 |
1266 |
0.967 |
72 |
542 |
| N2 |
Nitrogen diatomic |
1 |
Σg |
2342 |
2359 |
1.007 |
73 |
543 |
| H2O |
Water |
1 |
A1 |
3727 |
3657 |
0.981 |
74 |
544 |
| |
|
2 |
A1 |
1742 |
1595 |
0.916 |
74 |
545 |
| |
|
3 |
B2 |
3855 |
3756 |
0.974 |
74 |
546 |
| F2 |
Fluorine diatomic |
1 |
Σg |
891 |
917 |
1.029 |
75 |
547 |
| Cl2 |
Chlorine diatomic |
1 |
Σg |
505 |
560 |
1.108 |
76 |
548 |
| H2S |
Hydrogen sulfide |
1 |
A1 |
2702 |
2615 |
0.968 |
77 |
549 |
| |
|
2 |
A1 |
1256 |
1183 |
0.942 |
77 |
550 |
| |
|
3 |
B2 |
2727 |
2626 |
0.963 |
77 |
551 |
| F2O |
Difluorine monoxide |
1 |
A1 |
914 |
928 |
1.015 |
78 |
552 |
| |
|
2 |
A1 |
441 |
461 |
1.045 |
78 |
553 |
| |
|
3 |
B2 |
842 |
831 |
0.987 |
78 |
554 |
| AlH3 |
aluminum trihydride |
1 |
A1' |
1921 |
1900 |
0.989 |
79 |
555 |
| |
|
2 |
A2" |
702 |
698 |
0.994 |
79 |
556 |
| |
|
3 |
E' |
1939 |
1883 |
0.971 |
79 |
557 |
| |
|
4 |
E' |
786 |
783 |
0.997 |
79 |
558 |
| BeH2 |
beryllium dihydride |
2 |
Σu |
2263 |
2159 |
0.954 |
80 |
559 |
| |
|
3 |
Πu |
717 |
698 |
0.973 |
80 |
560 |
| LiF |
lithium fluoride |
1 |
Σ |
1002 |
911 |
0.909 |
81 |
561 |
| FNO |
Nitrosyl fluoride |
1 |
A' |
1829 |
1844 |
1.008 |
82 |
562 |
| |
|
2 |
A' |
827 |
766 |
0.927 |
82 |
563 |
| |
|
3 |
A' |
559 |
520 |
0.930 |
82 |
564 |
| ClF |
Chlorine monofluoride |
1 |
Σ |
760 |
783 |
1.031 |
83 |
565 |
| HOCl |
hypochlorous acid |
1 |
A' |
3683 |
3609 |
0.980 |
84 |
566 |
| |
|
2 |
A' |
1312 |
1239 |
0.944 |
84 |
567 |
| |
|
3 |
A' |
701 |
724 |
1.033 |
84 |
568 |
| Cl2O |
Dichlorine monoxide |
1 |
A1 |
626 |
639 |
1.021 |
85 |
569 |
| |
|
2 |
A1 |
291 |
296 |
1.018 |
85 |
570 |
| |
|
3 |
B2 |
664 |
686 |
1.033 |
85 |
571 |
| PH3 |
Phosphine |
1 |
A1 |
2415 |
2323 |
0.962 |
86 |
572 |
| |
|
2 |
A1 |
1053 |
992 |
0.942 |
86 |
573 |
| |
|
3 |
E |
2429 |
2328 |
0.958 |
86 |
574 |
| |
|
4 |
E |
1141 |
1118 |
0.980 |
86 |
575 |
| SiH4 |
Silane |
1 |
A1 |
2258 |
2187 |
0.968 |
87 |
576 |
| |
|
2 |
E |
972 |
975 |
1.003 |
87 |
577 |
| |
|
3 |
T2 |
2273 |
2191 |
0.964 |
87 |
578 |
| |
|
4 |
T2 |
924 |
914 |
0.989 |
87 |
579 |
| N2O |
Nitrous oxide |
1 |
Σ |
2278 |
2224 |
0.976 |
88 |
580 |
| |
|
2 |
Σ |
1293 |
1285 |
0.994 |
88 |
581 |
| |
|
3 |
Π |
573 |
589 |
1.028 |
88 |
582 |
| OClO |
Chlorine dioxide |
1 |
A1 |
869 |
946 |
1.088 |
89 |
583 |
| |
|
2 |
A1 |
403 |
448 |
1.110 |
89 |
584 |
| |
|
3 |
B2 |
1018 |
1110 |
1.091 |
89 |
585 |
| SiO |
Silicon monoxide |
1 |
Σ |
1209 |
1242 |
1.027 |
90 |
586 |
| BHCl2 |
Borane, dichloro- |
1 |
A1 |
2743 |
2617 |
0.954 |
91 |
587 |
| |
|
2 |
A1 |
760 |
740 |
0.973 |
91 |
588 |
| |
|
4 |
B1 |
808 |
784 |
0.971 |
91 |
589 |
| |
|
5 |
B2 |
1148 |
1089 |
0.948 |
91 |
590 |
| |
|
6 |
B2 |
939 |
892 |
0.950 |
91 |
591 |
| SiF |
silicon monofluoride |
1 |
Σ |
879 |
857 |
0.975 |
92 |
592 |
| MgS |
magnesium sulfide |
1 |
Σ |
522 |
529 |
1.012 |
93 |
593 |
| C2 |
Carbon diatomic |
1 |
Σg |
1873 |
1855 |
0.990 |
94 |
594 |
| |
|
1 |
Σg |
1654 |
1855 |
1.122 |
94 |
595 |
| LiO |
lithium oxide |
1 |
Σ |
910 |
815 |
0.895 |
95 |
596 |
| P2 |
Phosphorus diatomic |
1 |
Σg |
766 |
781 |
1.020 |
96 |
597 |
| BS |
boron sulfide |
1 |
Σ |
1194 |
1180 |
0.988 |
97 |
598 |
| AlS |
Aluminum sulfide |
1 |
Σ |
624 |
617 |
0.989 |
98 |
599 |
| CP |
Carbon monophosphide |
1 |
Σ |
1257 |
1240 |
0.986 |
99 |
600 |
| SiS |
silicon monosulfide |
1 |
Σ |
741 |
750 |
1.012 |
100 |
601 |
| BO |
boron monoxide |
1 |
Σ |
1886 |
1885 |
1.000 |
101 |
602 |
| Si2 |
Silicon diatomic |
1 |
Σg |
545 |
511 |
0.938 |
102 |
603 |
| |
|
1 |
Σg |
567 |
511 |
0.901 |
102 |
604 |
| BH3 |
boron trihydride |
2 |
A2" |
1164 |
1148 |
0.986 |
103 |
605 |
| |
|
3 |
E' |
2732 |
2602 |
0.952 |
103 |
606 |
| |
|
4 |
E' |
1226 |
1197 |
0.976 |
103 |
607 |
| HCF |
Fluoromethylene |
1 |
A' |
2758 |
2643 |
0.958 |
104 |
608 |
| |
|
1 |
A' |
3167 |
2643 |
0.835 |
104 |
609 |
| |
|
2 |
A' |
1447 |
1403 |
0.970 |
104 |
610 |
| |
|
2 |
A' |
1281 |
1403 |
1.095 |
104 |
611 |
| |
|
3 |
A' |
1225 |
1189 |
0.970 |
104 |
612 |
| |
|
3 |
A' |
1138 |
1189 |
1.045 |
104 |
613 |
| H2S2 |
HSSH |
1 |
A |
2664 |
2556 |
0.959 |
105 |
614 |
| |
|
2 |
A |
926 |
882 |
0.953 |
105 |
615 |
| |
|
3 |
A |
512 |
515 |
1.006 |
105 |
616 |
| |
|
4 |
A |
436 |
417 |
0.957 |
105 |
617 |
| |
|
5 |
B |
2666 |
2559 |
0.960 |
105 |
618 |
| |
|
6 |
B |
925 |
878 |
0.949 |
105 |
619 |
| SiH3Cl |
chlorosilane |
1 |
A1 |
2280 |
2201 |
0.965 |
106 |
620 |
| |
|
2 |
A1 |
972 |
949 |
0.976 |
106 |
621 |
| |
|
3 |
A1 |
561 |
551 |
0.982 |
106 |
622 |
| |
|
4 |
E |
2298 |
2195 |
0.955 |
106 |
623 |
| |
|
5 |
E |
960 |
954 |
0.994 |
106 |
624 |
| |
|
6 |
E |
671 |
664 |
0.989 |
106 |
625 |
| SiH3F |
monofluorosilane |
1 |
A1 |
2287 |
2206 |
0.965 |
107 |
626 |
| |
|
2 |
A1 |
1040 |
990 |
0.952 |
107 |
627 |
| |
|
3 |
A1 |
894 |
872 |
0.976 |
107 |
628 |
| |
|
4 |
E |
2297 |
2196 |
0.956 |
107 |
629 |
| |
|
5 |
E |
968 |
956 |
0.988 |
107 |
630 |
| |
|
6 |
E |
749 |
728 |
0.972 |
107 |
631 |
| SiCl2 |
Dichlorosilylene |
1 |
A1 |
532 |
522 |
0.981 |
108 |
632 |
| |
|
2 |
A1 |
204 |
201 |
0.983 |
108 |
633 |
| |
|
3 |
B2 |
532 |
509 |
0.957 |
108 |
634 |
| AlCl |
Aluminum monochloride |
1 |
Σ |
497 |
482 |
0.970 |
109 |
635 |
| AlF |
Aluminum monofluoride |
1 |
Σ |
837 |
802 |
0.958 |
110 |
636 |
| BeF |
Beryllium monofluoride |
1 |
Σ |
1281 |
1247 |
0.974 |
111 |
637 |
| BeH |
beryllium monohydride |
1 |
Σ |
2052 |
2061 |
1.004 |
112 |
638 |
| BeS |
beryllium sulfide |
1 |
Σ |
999 |
998 |
0.999 |
113 |
639 |
| BHF2 |
Difluoroborane |
1 |
A1 |
2760 |
2621 |
0.950 |
114 |
640 |
| |
|
2 |
A1 |
1177 |
1164 |
0.989 |
114 |
641 |
| |
|
3 |
A1 |
540 |
542 |
1.003 |
114 |
642 |
| |
|
4 |
B1 |
955 |
924 |
0.967 |
114 |
643 |
| |
|
5 |
B2 |
1472 |
1402 |
0.953 |
114 |
644 |
| PH2 |
Phosphino radical |
1 |
A1 |
2379 |
2310 |
0.971 |
115 |
645 |
| |
|
2 |
A1 |
1145 |
1102 |
0.962 |
115 |
646 |
| SiH3 |
silyl |
1 |
A1 |
2228 |
2136 |
0.959 |
116 |
647 |
| |
|
2 |
A1 |
772 |
728 |
0.943 |
116 |
648 |
| |
|
3 |
E |
2266 |
2185 |
0.964 |
116 |
649 |
| |
|
4 |
E |
938 |
922 |
0.983 |
116 |
650 |
| BH |
Boron monohydride |
1 |
Σ |
2346 |
2367 |
1.009 |
117 |
651 |
| NH2 |
Amino radical |
1 |
A1 |
3306 |
3219 |
0.974 |
118 |
652 |
| |
|
2 |
A1 |
1620 |
1497 |
0.924 |
118 |
653 |
| |
|
3 |
B2 |
3416 |
3301 |
0.966 |
118 |
654 |
| NH |
Imidogen |
1 |
Σ |
3199 |
3283 |
1.026 |
119 |
655 |
| |
|
1 |
Σ |
3264 |
3283 |
1.006 |
119 |
656 |
| |
|
1 |
Σ |
3199 |
3314 |
1.036 |
119 |
657 |
| |
|
1 |
Σ |
3264 |
3314 |
1.015 |
119 |
658 |
| BeCl |
beryllium chloride |
1 |
Σ |
878 |
847 |
0.965 |
120 |
659 |
| SiH2 |
silicon dihydride |
1 |
A1 |
2065 |
1996 |
0.967 |
121 |
660 |
| |
|
1 |
A1 |
2199 |
1996 |
0.908 |
121 |
661 |
| |
|
2 |
A1 |
1022 |
999 |
0.977 |
121 |
662 |
| |
|
2 |
A1 |
890 |
999 |
1.123 |
121 |
663 |
| |
|
3 |
B2 |
2070 |
1993 |
0.963 |
121 |
664 |
| |
|
3 |
B2 |
2263 |
1993 |
0.881 |
121 |
665 |
| SO |
Sulfur monoxide |
1 |
Σ |
1102 |
1151 |
1.045 |
122 |
666 |
| |
|
1 |
Σ |
1031 |
1151 |
1.117 |
122 |
667 |
| SH |
Mercapto radical |
1 |
Σ |
2669 |
2696 |
1.010 |
123 |
668 |
| SiCl |
Clorosilylidyne |
1 |
Σ |
538 |
536 |
0.996 |
124 |
669 |
| NF |
nitrogen fluoride |
1 |
Σ |
1141 |
1141 |
1.000 |
125 |
670 |
| |
|
1 |
Σ |
1185 |
1141 |
0.963 |
125 |
671 |
| PH |
phosphorus monohydride |
1 |
Σ |
2334 |
2364 |
1.013 |
126 |
672 |
| |
|
1 |
Σ |
2355 |
2364 |
1.004 |
126 |
673 |
| |
|
1 |
Σ |
2334 |
2415 |
1.035 |
126 |
674 |
| |
|
1 |
Σ |
2355 |
2415 |
1.025 |
126 |
675 |
| |
|
1 |
Σ |
2334 |
2403 |
1.030 |
126 |
676 |
| |
|
1 |
Σ |
2355 |
2403 |
1.020 |
126 |
677 |
| AlH |
aluminum monohydride |
1 |
Σ |
1672 |
1682 |
1.006 |
127 |
678 |
| HOF |
Hypofluorous acid |
1 |
A' |
3667 |
3537 |
0.965 |
128 |
679 |
| |
|
2 |
A' |
1379 |
1393 |
1.010 |
128 |
680 |
| |
|
3 |
A' |
898 |
886 |
0.986 |
128 |
681 |
| HNO |
Nitrosyl hydride |
1 |
A' |
2877 |
2684 |
0.933 |
129 |
682 |
| |
|
2 |
A' |
1590 |
1565 |
0.984 |
129 |
683 |
| |
|
3 |
A' |
1546 |
1501 |
0.971 |
129 |
684 |
| MgH |
magnesium monohydride |
1 |
Σ |
1416 |
1493 |
1.055 |
130 |
685 |
| Li2 |
Lithium diatomic |
1 |
Σg |
343 |
351 |
1.026 |
131 |
686 |
| BH2 |
boron dihydride |
2 |
A1 |
1051 |
954 |
0.907 |
132 |
687 |
| AlH2 |
aluminum dihydride |
1 |
A1 |
1831 |
1770 |
0.966 |
133 |
688 |
| |
|
2 |
A1 |
765 |
760 |
0.994 |
133 |
689 |
| |
|
3 |
B2 |
1876 |
1807 |
0.963 |
133 |
690 |
| HBS |
hydrogen boron sulfide |
1 |
Σ |
2854 |
2736 |
0.959 |
134 |
691 |
| |
|
2 |
Σ |
1196 |
1172 |
0.981 |
134 |
692 |
| MgF |
Magnesium monofluoride |
1 |
Σ |
754 |
712 |
0.944 |
135 |
693 |
| MgCl |
magnesium monochloride |
1 |
Σ |
469 |
462 |
0.986 |
136 |
694 |
| ClO |
Monochlorine monoxide |
1 |
Σ |
796 |
854 |
1.072 |
137 |
695 |
| SCl |
sulfur monochloride |
1 |
Σ |
549 |
575 |
1.047 |
138 |
696 |
| PF |
phosphorus monofluoride |
1 |
Σ |
855 |
847 |
0.991 |
139 |
697 |
| |
|
1 |
Σ |
863 |
847 |
0.981 |
139 |
698 |
| SF |
Monosulfur monofluoride |
1 |
Σ |
834 |
838 |
1.004 |
140 |
699 |
| PCl |
phosphorus chloride |
1 |
Σ |
538 |
577 |
1.073 |
141 |
700 |
| |
|
1 |
Σ |
555 |
577 |
1.039 |
141 |
701 |
| PN |
Phosphorus mononitride |
1 |
Σ |
1307 |
1337 |
1.023 |
142 |
702 |
| BCl |
boron monochloride |
1 |
Σ |
858 |
840 |
0.980 |
143 |
703 |
| HBO |
Boron hydride oxide |
1 |
Σ |
2922 |
2850 |
0.975 |
144 |
704 |
| |
|
2 |
Σ |
1842 |
1826 |
0.991 |
144 |
705 |
| |
|
3 |
Π |
750 |
756 |
1.008 |
144 |
706 |
| BeOH |
beryllium hydroxide |
2 |
A' |
1271 |
1246 |
0.980 |
145 |
707 |
| SSO |
Disulfur monoxide |
1 |
A' |
1112 |
1166 |
1.049 |
146 |
708 |
| |
|
2 |
A' |
654 |
679 |
1.038 |
146 |
709 |
| |
|
3 |
A' |
369 |
380 |
1.031 |
146 |
710 |
| S2 |
Sulfur diatomic |
1 |
Σg |
706 |
726 |
1.028 |
147 |
711 |
| |
|
1 |
Σg |
667 |
726 |
1.088 |
147 |
712 |
| Na2 |
Sodium diatomic |
1 |
Σg |
155 |
159 |
1.029 |
148 |
713 |
| ClS2 |
Sulfur chloride |
1 |
A' |
635 |
662 |
1.043 |
149 |
714 |
| |
|
2 |
A' |
399 |
450 |
1.127 |
149 |
715 |
| |
|
3 |
A' |
205 |
196 |
0.956 |
149 |
716 |
How do we calculate the scaling factor?
Histogram of vibrational frequency ratios
Ratios greater than 1.35 are in the 1.35 bin.
Ratios less than 0.7 are in the 0.7 bin.
 |
450 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
400 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
350 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
300 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
250 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
200 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
150 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
100 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
50 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
0 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
| |
0.70 |
0.75 |
0.80 |
0.85 |
0.90 |
0.95 |
1.00 |
1.05 |
1.10 |
1.15 |
1.20 |
1.25 |
1.30 |
1.35 |
| Ratio of experimental frequency to calculated frequency |