Vibrational frequency scaling factors
Calculated vibrational frequencies ("theory" in table) are calculated at
CCD/3-21G
| Scale factor |
How many |
Source |
| Molecules |
Vibrations |
| 0.972 ± 0.048 |
52 |
432 |
cccbdb |
Jump to histogram
| Formula |
Name |
Mode |
Symmetry |
Frequency |
Count
|
| Theory |
Experiment |
ratio |
molecules |
vibrations |
| CH4 |
Methane |
1 |
A1 |
3034 |
2917 |
0.961 |
1 |
1 |
| |
|
2 |
E |
1642 |
1534 |
0.934 |
1 |
2 |
| |
|
3 |
T2 |
3134 |
3019 |
0.963 |
1 |
3 |
| |
|
4 |
T2 |
1437 |
1306 |
0.909 |
1 |
4 |
| CH3NH2 |
methyl amine |
1 |
A' |
3395 |
3361 |
0.990 |
2 |
5 |
| |
|
2 |
A' |
3069 |
2961 |
0.965 |
2 |
6 |
| |
|
3 |
A' |
2968 |
2820 |
0.950 |
2 |
7 |
| |
|
4 |
A' |
1759 |
1623 |
0.923 |
2 |
8 |
| |
|
5 |
A' |
1582 |
1473 |
0.931 |
2 |
9 |
| |
|
6 |
A' |
1513 |
1430 |
0.945 |
2 |
10 |
| |
|
7 |
A' |
1195 |
1130 |
0.945 |
2 |
11 |
| |
|
8 |
A' |
1033 |
1044 |
1.011 |
2 |
12 |
| |
|
9 |
A' |
807 |
780 |
0.967 |
2 |
13 |
| |
|
10 |
A" |
3485 |
3427 |
0.983 |
2 |
14 |
| |
|
11 |
A" |
3107 |
2985 |
0.961 |
2 |
15 |
| |
|
12 |
A" |
1604 |
1485 |
0.926 |
2 |
16 |
| |
|
13 |
A" |
1390 |
1335 |
0.960 |
2 |
17 |
| |
|
14 |
A" |
995 |
1195 |
1.201 |
2 |
18 |
| |
|
15 |
A" |
333 |
268 |
0.805 |
2 |
19 |
| CH3CH2NH2 |
Ethylamine |
1 |
A' |
3378 |
3345 |
0.990 |
3 |
20 |
| |
|
2 |
A' |
3100 |
2985 |
0.963 |
3 |
21 |
| |
|
3 |
A' |
3051 |
2840 |
0.931 |
3 |
22 |
| |
|
4 |
A' |
3029 |
2860 |
0.944 |
3 |
23 |
| |
|
5 |
A' |
1755 |
1622 |
0.924 |
3 |
24 |
| |
|
6 |
A' |
1582 |
1487 |
0.940 |
3 |
25 |
| |
|
7 |
A' |
1566 |
1465 |
0.935 |
3 |
26 |
| |
|
8 |
A' |
1471 |
1378 |
0.937 |
3 |
27 |
| |
|
9 |
A' |
1417 |
1397 |
0.986 |
3 |
28 |
| |
|
10 |
A' |
1178 |
1016 |
0.862 |
3 |
29 |
| |
|
11 |
A' |
1030 |
1086 |
1.054 |
3 |
30 |
| |
|
12 |
A' |
909 |
892 |
0.981 |
3 |
31 |
| |
|
13 |
A' |
806 |
773 |
0.960 |
3 |
32 |
| |
|
14 |
A' |
396 |
403 |
1.018 |
3 |
33 |
| |
|
15 |
A" |
3469 |
3412 |
0.984 |
3 |
34 |
| |
|
16 |
A" |
3105 |
2924 |
0.942 |
3 |
35 |
| |
|
17 |
A" |
3079 |
2906 |
0.944 |
3 |
36 |
| |
|
18 |
A" |
1579 |
1455 |
0.921 |
3 |
37 |
| |
|
19 |
A" |
1423 |
1238 |
0.870 |
3 |
38 |
| |
|
20 |
A" |
1323 |
1293 |
0.978 |
3 |
39 |
| |
|
21 |
A" |
1040 |
1117 |
1.074 |
3 |
40 |
| |
|
22 |
A" |
793 |
816 |
1.028 |
3 |
41 |
| |
|
23 |
A" |
315 |
259 |
0.823 |
3 |
42 |
| |
|
24 |
A" |
260 |
218 |
0.838 |
3 |
43 |
| HNCO |
Isocyanic acid |
1 |
A' |
3766 |
3538 |
0.940 |
4 |
44 |
| |
|
2 |
A' |
2372 |
2269 |
0.956 |
4 |
45 |
| |
|
3 |
A' |
1330 |
1327 |
0.998 |
4 |
46 |
| |
|
4 |
A' |
598 |
777 |
1.298 |
4 |
47 |
| |
|
5 |
A' |
519 |
577 |
1.113 |
4 |
48 |
| |
|
6 |
A" |
573 |
656 |
1.146 |
4 |
49 |
| CH3COOCH3 |
methyl acetate |
1 |
A' |
3166 |
3035 |
0.959 |
5 |
50 |
| |
|
2 |
A' |
3161 |
3031 |
0.959 |
5 |
51 |
| |
|
3 |
A' |
3069 |
2966 |
0.966 |
5 |
52 |
| |
|
4 |
A' |
3058 |
2964 |
0.969 |
5 |
53 |
| |
|
5 |
A' |
1805 |
1771 |
0.981 |
5 |
54 |
| |
|
6 |
A' |
1585 |
1460 |
0.921 |
5 |
55 |
| |
|
7 |
A' |
1556 |
1440 |
0.925 |
5 |
56 |
| |
|
8 |
A' |
1515 |
1430 |
0.944 |
5 |
57 |
| |
|
9 |
A' |
1463 |
1375 |
0.940 |
5 |
58 |
| |
|
10 |
A' |
1276 |
1248 |
0.978 |
5 |
59 |
| |
|
11 |
A' |
1207 |
1159 |
0.960 |
5 |
60 |
| |
|
12 |
A' |
1093 |
1060 |
0.970 |
5 |
61 |
| |
|
13 |
A' |
988 |
980 |
0.992 |
5 |
62 |
| |
|
14 |
A' |
822 |
844 |
1.027 |
5 |
63 |
| |
|
15 |
A' |
639 |
639 |
1.001 |
5 |
64 |
| |
|
16 |
A' |
409 |
429 |
1.048 |
5 |
65 |
| |
|
17 |
A' |
273 |
303 |
1.111 |
5 |
66 |
| |
|
18 |
A" |
3132 |
3005 |
0.960 |
5 |
67 |
| |
|
19 |
A" |
3119 |
2994 |
0.960 |
5 |
68 |
| |
|
20 |
A" |
1569 |
1460 |
0.930 |
5 |
69 |
| |
|
21 |
A" |
1561 |
1430 |
0.916 |
5 |
70 |
| |
|
22 |
A" |
1186 |
1187 |
1.000 |
5 |
71 |
| |
|
23 |
A" |
1119 |
1036 |
0.926 |
5 |
72 |
| |
|
24 |
A" |
595 |
607 |
1.021 |
5 |
73 |
| |
|
25 |
A" |
168 |
187 |
1.112 |
5 |
74 |
| |
|
26 |
A" |
118 |
136 |
1.150 |
5 |
75 |
| |
|
27 |
A" |
106 |
110 |
1.037 |
5 |
76 |
| CH2CHCH3 |
Propene |
1 |
A' |
3204 |
3090 |
0.964 |
6 |
77 |
| |
|
2 |
A' |
3133 |
3013 |
0.962 |
6 |
78 |
| |
|
3 |
A' |
3122 |
2991 |
0.958 |
6 |
79 |
| |
|
4 |
A' |
3094 |
2954 |
0.955 |
6 |
80 |
| |
|
5 |
A' |
3027 |
2871 |
0.949 |
6 |
81 |
| |
|
6 |
A' |
1708 |
1650 |
0.966 |
6 |
82 |
| |
|
7 |
A' |
1580 |
1470 |
0.930 |
6 |
83 |
| |
|
8 |
A' |
1515 |
1420 |
0.937 |
6 |
84 |
| |
|
9 |
A' |
1481 |
1378 |
0.930 |
6 |
85 |
| |
|
10 |
A' |
1373 |
1297 |
0.944 |
6 |
86 |
| |
|
11 |
A' |
1224 |
1171 |
0.957 |
6 |
87 |
| |
|
12 |
A' |
1002 |
963 |
0.961 |
6 |
88 |
| |
|
13 |
A' |
901 |
920 |
1.021 |
6 |
89 |
| |
|
14 |
A' |
441 |
428 |
0.971 |
6 |
90 |
| |
|
15 |
A" |
3080 |
2954 |
0.959 |
6 |
91 |
| |
|
16 |
A" |
1568 |
1443 |
0.920 |
6 |
92 |
| |
|
17 |
A" |
1123 |
1045 |
0.931 |
6 |
93 |
| |
|
18 |
A" |
1028 |
991 |
0.964 |
6 |
94 |
| |
|
19 |
A" |
955 |
912 |
0.955 |
6 |
95 |
| |
|
20 |
A" |
588 |
578 |
0.982 |
6 |
96 |
| |
|
21 |
A" |
185 |
174 |
0.941 |
6 |
97 |
| CH3CH2CHO |
Propanal |
1 |
A' |
3122 |
2981 |
0.955 |
7 |
98 |
| |
|
2 |
A' |
3056 |
2904 |
0.950 |
7 |
99 |
| |
|
3 |
A' |
3034 |
2895 |
0.954 |
7 |
100 |
| |
|
4 |
A' |
2945 |
2809 |
0.954 |
7 |
101 |
| |
|
5 |
A' |
1725 |
1743 |
1.010 |
7 |
102 |
| |
|
6 |
A' |
1580 |
1460 |
0.924 |
7 |
103 |
| |
|
7 |
A' |
1545 |
1416 |
0.916 |
7 |
104 |
| |
|
8 |
A' |
1490 |
1390 |
0.933 |
7 |
105 |
| |
|
9 |
A' |
1462 |
1376 |
0.941 |
7 |
106 |
| |
|
10 |
A' |
1388 |
1335 |
0.962 |
7 |
107 |
| |
|
11 |
A' |
1126 |
1093 |
0.971 |
7 |
108 |
| |
|
12 |
A' |
1019 |
993 |
0.974 |
7 |
109 |
| |
|
13 |
A' |
843 |
848 |
1.006 |
7 |
110 |
| |
|
14 |
A' |
687 |
668 |
0.972 |
7 |
111 |
| |
|
15 |
A' |
275 |
271 |
0.984 |
7 |
112 |
| |
|
16 |
A" |
3125 |
2992 |
0.957 |
7 |
113 |
| |
|
17 |
A" |
3063 |
2942 |
0.960 |
7 |
114 |
| |
|
18 |
A" |
1582 |
1451 |
0.917 |
7 |
115 |
| |
|
19 |
A" |
1335 |
1250 |
0.936 |
7 |
116 |
| |
|
20 |
A" |
1189 |
1118 |
0.941 |
7 |
117 |
| |
|
21 |
A" |
940 |
892 |
0.949 |
7 |
118 |
| |
|
22 |
A" |
724 |
660 |
0.911 |
7 |
119 |
| |
|
23 |
A" |
235 |
220 |
0.935 |
7 |
120 |
| |
|
24 |
A" |
134 |
135 |
1.008 |
7 |
121 |
| C5H8 |
Cyclopentene |
1 |
A' |
3204 |
3066 |
0.957 |
8 |
122 |
| |
|
2 |
A' |
3121 |
2958 |
0.948 |
8 |
123 |
| |
|
3 |
A' |
3087 |
2916 |
0.945 |
8 |
124 |
| |
|
4 |
A' |
3067 |
2902 |
0.946 |
8 |
125 |
| |
|
5 |
A' |
3042 |
2852 |
0.938 |
8 |
126 |
| |
|
6 |
A' |
1672 |
1616 |
0.966 |
8 |
127 |
| |
|
7 |
A' |
1581 |
1467 |
0.928 |
8 |
128 |
| |
|
8 |
A' |
1559 |
1449 |
0.929 |
8 |
129 |
| |
|
9 |
A' |
1352 |
1302 |
0.963 |
8 |
130 |
| |
|
10 |
A' |
1282 |
1284 |
1.002 |
8 |
131 |
| |
|
11 |
A' |
1178 |
1213 |
1.030 |
8 |
132 |
| |
|
12 |
A' |
1096 |
1048 |
0.957 |
8 |
133 |
| |
|
13 |
A' |
952 |
964 |
1.012 |
8 |
134 |
| |
|
14 |
A' |
878 |
962 |
1.095 |
8 |
135 |
| |
|
15 |
A' |
827 |
904 |
1.093 |
8 |
136 |
| |
|
16 |
A' |
727 |
692 |
0.952 |
8 |
137 |
| |
|
17 |
A' |
635 |
603 |
0.950 |
8 |
138 |
| |
|
18 |
A' |
119 |
254 |
2.128 |
8 |
139 |
| |
|
19 |
A" |
3174 |
3039 |
0.958 |
8 |
140 |
| |
|
20 |
A" |
3085 |
2967 |
0.962 |
8 |
141 |
| |
|
21 |
A" |
3042 |
2927 |
0.962 |
8 |
142 |
| |
|
22 |
A" |
1569 |
1467 |
0.935 |
8 |
143 |
| |
|
23 |
A" |
1406 |
1432 |
1.018 |
8 |
144 |
| |
|
24 |
A" |
1371 |
1356 |
0.989 |
8 |
145 |
| |
|
25 |
A" |
1353 |
1302 |
0.962 |
8 |
146 |
| |
|
26 |
A" |
1255 |
1297 |
1.034 |
8 |
147 |
| |
|
27 |
A" |
1211 |
1207 |
0.997 |
8 |
148 |
| |
|
28 |
A" |
1030 |
1113 |
1.080 |
8 |
149 |
| |
|
29 |
A" |
972 |
1082 |
1.113 |
8 |
150 |
| |
|
30 |
A" |
922 |
937 |
1.016 |
8 |
151 |
| |
|
31 |
A" |
880 |
800 |
0.909 |
8 |
152 |
| |
|
32 |
A" |
793 |
702 |
0.885 |
8 |
153 |
| |
|
33 |
A" |
385 |
387 |
1.006 |
8 |
154 |
| C8H8 |
cubane |
1 |
A1g |
3179 |
2995 |
0.942 |
9 |
155 |
| |
|
2 |
A1g |
987 |
1002 |
1.015 |
9 |
156 |
| |
|
3 |
A2u |
3135 |
2978 |
0.950 |
9 |
157 |
| |
|
4 |
A2u |
1056 |
839 |
0.794 |
9 |
158 |
| |
|
5 |
Eg |
1132 |
1083 |
0.956 |
9 |
159 |
| |
|
6 |
Eg |
918 |
912 |
0.994 |
9 |
160 |
| |
|
7 |
Eu |
1151 |
1151 |
1.000 |
9 |
161 |
| |
|
8 |
Eu |
605 |
617 |
1.020 |
9 |
162 |
| |
|
9 |
T1g |
1188 |
1130 |
0.951 |
9 |
163 |
| |
|
10 |
T1u |
3155 |
2978 |
0.944 |
9 |
164 |
| |
|
11 |
T1u |
1268 |
1230 |
0.970 |
9 |
165 |
| |
|
12 |
T1u |
848 |
853 |
1.006 |
9 |
166 |
| |
|
13 |
T2g |
3144 |
2970 |
0.945 |
9 |
167 |
| |
|
14 |
T2g |
1213 |
1182 |
0.974 |
9 |
168 |
| |
|
15 |
T2g |
828 |
821 |
0.992 |
9 |
169 |
| |
|
16 |
T2g |
672 |
665 |
0.990 |
9 |
170 |
| |
|
17 |
T2u |
1084 |
1036 |
0.956 |
9 |
171 |
| |
|
18 |
T2u |
837 |
829 |
0.990 |
9 |
172 |
| C4H4N2 |
Pyrazine |
1 |
Ag |
3205 |
3055 |
0.953 |
10 |
173 |
| |
|
2 |
Ag |
1571 |
1580 |
1.005 |
10 |
174 |
| |
|
3 |
Ag |
1272 |
1233 |
0.969 |
10 |
175 |
| |
|
4 |
Ag |
1006 |
1016 |
1.010 |
10 |
176 |
| |
|
5 |
Ag |
631 |
602 |
0.954 |
10 |
177 |
| |
|
6 |
Au |
1021 |
960 |
0.941 |
10 |
178 |
| |
|
7 |
Au |
370 |
350 |
0.945 |
10 |
179 |
| |
|
8 |
B1g |
963 |
927 |
0.963 |
10 |
180 |
| |
|
9 |
B1u |
3180 |
3012 |
0.947 |
10 |
181 |
| |
|
10 |
B1u |
1516 |
1483 |
0.978 |
10 |
182 |
| |
|
11 |
B1u |
1166 |
1130 |
0.969 |
10 |
183 |
| |
|
12 |
B1u |
1016 |
1018 |
1.002 |
10 |
184 |
| |
|
13 |
B2g |
1010 |
983 |
0.973 |
10 |
185 |
| |
|
14 |
B2g |
787 |
756 |
0.960 |
10 |
186 |
| |
|
15 |
B2u |
3196 |
3069 |
0.960 |
10 |
187 |
| |
|
16 |
B2u |
1447 |
1411 |
0.975 |
10 |
188 |
| |
|
17 |
B2u |
1098 |
1149 |
1.046 |
10 |
189 |
| |
|
18 |
B2u |
989 |
1063 |
1.074 |
10 |
190 |
| |
|
19 |
B3g |
3176 |
3040 |
0.957 |
10 |
191 |
| |
|
20 |
B3g |
1499 |
1525 |
1.018 |
10 |
192 |
| |
|
21 |
B3g |
1396 |
1346 |
0.964 |
10 |
193 |
| |
|
22 |
B3g |
729 |
704 |
0.965 |
10 |
194 |
| |
|
23 |
B3u |
819 |
785 |
0.959 |
10 |
195 |
| |
|
24 |
B3u |
446 |
418 |
0.938 |
10 |
196 |
| C5H6 |
1,3-Cyclopentadiene |
1 |
A1 |
3232 |
3091 |
0.956 |
11 |
197 |
| |
|
2 |
A1 |
3201 |
3075 |
0.961 |
11 |
198 |
| |
|
3 |
A1 |
3050 |
2886 |
0.946 |
11 |
199 |
| |
|
4 |
A1 |
1563 |
1500 |
0.960 |
11 |
200 |
| |
|
5 |
A1 |
1516 |
1378 |
0.909 |
11 |
201 |
| |
|
6 |
A1 |
1407 |
1365 |
0.970 |
11 |
202 |
| |
|
7 |
A1 |
1171 |
1106 |
0.945 |
11 |
203 |
| |
|
8 |
A1 |
958 |
994 |
1.037 |
11 |
204 |
| |
|
9 |
A1 |
883 |
915 |
1.037 |
11 |
205 |
| |
|
10 |
A1 |
839 |
802 |
0.956 |
11 |
206 |
| |
|
11 |
A2 |
1194 |
1100 |
0.921 |
11 |
207 |
| |
|
12 |
A2 |
912 |
941 |
1.031 |
11 |
208 |
| |
|
13 |
A2 |
726 |
700 |
0.964 |
11 |
209 |
| |
|
14 |
A2 |
518 |
516 |
0.997 |
11 |
210 |
| |
|
15 |
B1 |
3087 |
2900 |
0.940 |
11 |
211 |
| |
|
16 |
B1 |
976 |
925 |
0.947 |
11 |
212 |
| |
|
17 |
B1 |
933 |
891 |
0.955 |
11 |
213 |
| |
|
18 |
B1 |
676 |
664 |
0.983 |
11 |
214 |
| |
|
19 |
B1 |
359 |
350 |
0.974 |
11 |
215 |
| |
|
20 |
B2 |
3220 |
3105 |
0.964 |
11 |
216 |
| |
|
21 |
B2 |
3192 |
3043 |
0.953 |
11 |
217 |
| |
|
22 |
B2 |
1630 |
1580 |
0.969 |
11 |
218 |
| |
|
23 |
B2 |
1355 |
1292 |
0.953 |
11 |
219 |
| |
|
24 |
B2 |
1287 |
1239 |
0.962 |
11 |
220 |
| |
|
25 |
B2 |
1157 |
1090 |
0.942 |
11 |
221 |
| |
|
26 |
B2 |
958 |
959 |
1.001 |
11 |
222 |
| |
|
27 |
B2 |
835 |
805 |
0.964 |
11 |
223 |
| CH3CHCHCH3 |
2-Butene, (Z)- |
1 |
A1 |
3142 |
3033 |
0.965 |
12 |
224 |
| |
|
2 |
A1 |
3125 |
2965 |
0.949 |
12 |
225 |
| |
|
3 |
A1 |
3034 |
2878 |
0.948 |
12 |
226 |
| |
|
4 |
A1 |
1725 |
1669 |
0.968 |
12 |
227 |
| |
|
5 |
A1 |
1582 |
1448 |
0.916 |
12 |
228 |
| |
|
6 |
A1 |
1489 |
1397 |
0.938 |
12 |
229 |
| |
|
7 |
A1 |
1340 |
1261 |
0.941 |
12 |
230 |
| |
|
8 |
A1 |
1062 |
986 |
0.928 |
12 |
231 |
| |
|
9 |
A1 |
847 |
880 |
1.039 |
12 |
232 |
| |
|
10 |
A1 |
309 |
290 |
0.937 |
12 |
233 |
| |
|
11 |
A2 |
3077 |
2988 |
0.971 |
12 |
234 |
| |
|
12 |
A2 |
1572 |
1464 |
0.931 |
12 |
235 |
| |
|
13 |
A2 |
1115 |
1037 |
0.930 |
12 |
236 |
| |
|
14 |
A2 |
1012 |
880 |
0.869 |
12 |
237 |
| |
|
15 |
A2 |
383 |
396 |
1.033 |
12 |
238 |
| |
|
17 |
B1 |
3078 |
2965 |
0.963 |
12 |
239 |
| |
|
18 |
B1 |
1576 |
1448 |
0.919 |
12 |
240 |
| |
|
19 |
B1 |
1119 |
986 |
0.881 |
12 |
241 |
| |
|
20 |
B1 |
711 |
673 |
0.947 |
12 |
242 |
| |
|
22 |
B2 |
3120 |
3033 |
0.972 |
12 |
243 |
| |
|
23 |
B2 |
3103 |
2965 |
0.955 |
12 |
244 |
| |
|
24 |
B2 |
3031 |
2900 |
0.957 |
12 |
245 |
| |
|
25 |
B2 |
1575 |
1448 |
0.919 |
12 |
246 |
| |
|
26 |
B2 |
1479 |
1420 |
0.960 |
12 |
247 |
| |
|
27 |
B2 |
1470 |
1397 |
0.951 |
12 |
248 |
| |
|
28 |
B2 |
1186 |
1135 |
0.957 |
12 |
249 |
| |
|
29 |
B2 |
966 |
986 |
1.020 |
12 |
250 |
| |
|
30 |
B2 |
585 |
583 |
0.997 |
12 |
251 |
| C5H8 |
1,4-Pentadiene |
1 |
A |
3203 |
3080 |
0.962 |
13 |
252 |
| |
|
2 |
A |
3135 |
3012 |
0.961 |
13 |
253 |
| |
|
3 |
A |
3122 |
3012 |
0.965 |
13 |
254 |
| |
|
4 |
A |
3018 |
2900 |
0.961 |
13 |
255 |
| |
|
5 |
A |
1708 |
1644 |
0.962 |
13 |
256 |
| |
|
6 |
A |
1549 |
1433 |
0.925 |
13 |
257 |
| |
|
7 |
A |
1519 |
1413 |
0.930 |
13 |
258 |
| |
|
8 |
A |
1363 |
1295 |
0.950 |
13 |
259 |
| |
|
9 |
A |
1305 |
1263 |
0.968 |
13 |
260 |
| |
|
10 |
A |
1118 |
1120 |
1.002 |
13 |
261 |
| |
|
11 |
A |
1026 |
995 |
0.970 |
13 |
262 |
| |
|
12 |
A |
960 |
918 |
0.956 |
13 |
263 |
| |
|
13 |
A |
918 |
876 |
0.954 |
13 |
264 |
| |
|
14 |
A |
673 |
562 |
0.835 |
13 |
265 |
| |
|
15 |
A |
380 |
421 |
1.108 |
13 |
266 |
| |
|
16 |
A |
308 |
137 |
0.445 |
13 |
267 |
| |
|
17 |
A |
82 |
102 |
1.247 |
13 |
268 |
| |
|
18 |
B |
3203 |
3080 |
0.962 |
13 |
269 |
| |
|
19 |
B |
3135 |
3012 |
0.961 |
13 |
270 |
| |
|
20 |
B |
3122 |
3012 |
0.965 |
13 |
271 |
| |
|
21 |
B |
3059 |
2982 |
0.975 |
13 |
272 |
| |
|
22 |
B |
1694 |
1640 |
0.968 |
13 |
273 |
| |
|
23 |
B |
1513 |
1413 |
0.934 |
13 |
274 |
| |
|
24 |
B |
1365 |
1314 |
0.962 |
13 |
275 |
| |
|
25 |
B |
1355 |
1280 |
0.945 |
13 |
276 |
| |
|
26 |
B |
1192 |
1060 |
0.890 |
13 |
277 |
| |
|
27 |
B |
1026 |
995 |
0.970 |
13 |
278 |
| |
|
28 |
B |
960 |
995 |
1.037 |
13 |
279 |
| |
|
29 |
B |
956 |
920 |
0.962 |
13 |
280 |
| |
|
30 |
B |
918 |
760 |
0.828 |
13 |
281 |
| |
|
31 |
B |
606 |
721 |
1.190 |
13 |
282 |
| |
|
32 |
B |
460 |
421 |
0.915 |
13 |
283 |
| |
|
33 |
B |
84 |
331 |
3.948 |
13 |
284 |
| CH3CHCHCH3 |
2-Butene, (E)- |
1 |
Ag |
3113 |
3011 |
0.967 |
14 |
285 |
| |
|
2 |
Ag |
3094 |
2954 |
0.955 |
14 |
286 |
| |
|
3 |
Ag |
3027 |
2874 |
0.950 |
14 |
287 |
| |
|
4 |
Ag |
1735 |
1680 |
0.969 |
14 |
288 |
| |
|
5 |
Ag |
1576 |
1457 |
0.925 |
14 |
289 |
| |
|
6 |
Ag |
1481 |
1385 |
0.935 |
14 |
290 |
| |
|
7 |
Ag |
1379 |
1309 |
0.949 |
14 |
291 |
| |
|
8 |
Ag |
1187 |
1146 |
0.965 |
14 |
292 |
| |
|
9 |
Ag |
878 |
866 |
0.986 |
14 |
293 |
| |
|
10 |
Ag |
507 |
501 |
0.989 |
14 |
294 |
| |
|
11 |
Au |
3079 |
2960 |
0.961 |
14 |
295 |
| |
|
12 |
Au |
1567 |
1449 |
0.925 |
14 |
296 |
| |
|
13 |
Au |
1122 |
1057 |
0.942 |
14 |
297 |
| |
|
14 |
Au |
1007 |
964 |
0.958 |
14 |
298 |
| |
|
15 |
Au |
242 |
224 |
0.924 |
14 |
299 |
| |
|
17 |
Bg |
3079 |
2954 |
0.959 |
14 |
300 |
| |
|
18 |
Bg |
1568 |
1457 |
0.929 |
14 |
301 |
| |
|
19 |
Bg |
1119 |
1039 |
0.929 |
14 |
302 |
| |
|
20 |
Bg |
761 |
750 |
0.986 |
14 |
303 |
| |
|
22 |
Bu |
3121 |
3021 |
0.968 |
14 |
304 |
| |
|
23 |
Bu |
3091 |
2960 |
0.957 |
14 |
305 |
| |
|
24 |
Bu |
3026 |
2899 |
0.958 |
14 |
306 |
| |
|
25 |
Bu |
1583 |
1449 |
0.915 |
14 |
307 |
| |
|
26 |
Bu |
1481 |
1393 |
0.940 |
14 |
308 |
| |
|
27 |
Bu |
1387 |
1311 |
0.945 |
14 |
309 |
| |
|
28 |
Bu |
1063 |
1072 |
1.009 |
14 |
310 |
| |
|
29 |
Bu |
1017 |
987 |
0.971 |
14 |
311 |
| |
|
30 |
Bu |
290 |
261 |
0.901 |
14 |
312 |
| CH3SSCH3 |
Disulfide, dimethyl |
1 |
A |
3186 |
2990 |
0.939 |
15 |
313 |
| |
|
2 |
A |
3164 |
2983 |
0.943 |
15 |
314 |
| |
|
3 |
A |
3076 |
2913 |
0.947 |
15 |
315 |
| |
|
4 |
A |
1551 |
1426 |
0.919 |
15 |
316 |
| |
|
5 |
A |
1543 |
1419 |
0.919 |
15 |
317 |
| |
|
6 |
A |
1412 |
1311 |
0.928 |
15 |
318 |
| |
|
7 |
A |
998 |
955 |
0.957 |
15 |
319 |
| |
|
8 |
A |
996 |
949 |
0.953 |
15 |
320 |
| |
|
9 |
A |
634 |
694 |
1.094 |
15 |
321 |
| |
|
10 |
A |
406 |
509 |
1.254 |
15 |
322 |
| |
|
11 |
A |
194 |
240 |
1.239 |
15 |
323 |
| |
|
12 |
A |
136 |
134 |
0.988 |
15 |
324 |
| |
|
13 |
A |
76 |
117 |
1.546 |
15 |
325 |
| |
|
14 |
B |
3186 |
2990 |
0.939 |
15 |
326 |
| |
|
15 |
B |
3163 |
2983 |
0.943 |
15 |
327 |
| |
|
16 |
B |
3076 |
2915 |
0.948 |
15 |
328 |
| |
|
17 |
B |
1555 |
1430 |
0.920 |
15 |
329 |
| |
|
18 |
B |
1538 |
1415 |
0.920 |
15 |
330 |
| |
|
19 |
B |
1405 |
1303 |
0.927 |
15 |
331 |
| |
|
20 |
B |
1002 |
955 |
0.953 |
15 |
332 |
| |
|
21 |
B |
993 |
949 |
0.955 |
15 |
333 |
| |
|
22 |
B |
631 |
691 |
1.095 |
15 |
334 |
| |
|
23 |
B |
227 |
274 |
1.207 |
15 |
335 |
| |
|
24 |
B |
147 |
134 |
0.910 |
15 |
336 |
| H2 |
Hydrogen diatomic |
1 |
Σg |
4395 |
4401 |
1.001 |
16 |
337 |
| CF2 |
Difluoromethylene |
1 |
A1 |
1236 |
1225 |
0.991 |
17 |
338 |
| |
|
1 |
A1 |
1102 |
1225 |
1.111 |
17 |
339 |
| |
|
2 |
A1 |
624 |
667 |
1.069 |
17 |
340 |
| |
|
2 |
A1 |
494 |
667 |
1.349 |
17 |
341 |
| |
|
3 |
B2 |
1189 |
1114 |
0.937 |
17 |
342 |
| |
|
3 |
B2 |
1348 |
1114 |
0.827 |
17 |
343 |
| SF6 |
Sulfur Hexafluoride |
1 |
A1g |
718 |
774 |
1.077 |
18 |
344 |
| |
|
2 |
Eg |
709 |
642 |
0.906 |
18 |
345 |
| |
|
3 |
T1u |
1043 |
948 |
0.909 |
18 |
346 |
| |
|
4 |
T1u |
488 |
616 |
1.262 |
18 |
347 |
| |
|
5 |
T2g |
412 |
525 |
1.273 |
18 |
348 |
| |
|
6 |
T2u |
271 |
347 |
1.280 |
18 |
349 |
| C3H4 |
cyclopropene |
1 |
A1 |
3329 |
3158 |
0.949 |
19 |
350 |
| |
|
2 |
A1 |
3118 |
2909 |
0.933 |
19 |
351 |
| |
|
3 |
A1 |
1677 |
1653 |
0.986 |
19 |
352 |
| |
|
4 |
A1 |
1573 |
1483 |
0.943 |
19 |
353 |
| |
|
5 |
A1 |
1130 |
1110 |
0.982 |
19 |
354 |
| |
|
6 |
A1 |
927 |
905 |
0.976 |
19 |
355 |
| |
|
7 |
A2 |
1051 |
996 |
0.948 |
19 |
356 |
| |
|
8 |
A2 |
855 |
820 |
0.959 |
19 |
357 |
| |
|
9 |
B1 |
3198 |
2995 |
0.936 |
19 |
358 |
| |
|
10 |
B1 |
1121 |
1088 |
0.970 |
19 |
359 |
| |
|
11 |
B1 |
626 |
569 |
0.908 |
19 |
360 |
| |
|
12 |
B2 |
3280 |
3124 |
0.953 |
19 |
361 |
| |
|
13 |
B2 |
1134 |
1043 |
0.920 |
19 |
362 |
| |
|
14 |
B2 |
1103 |
1011 |
0.916 |
19 |
363 |
| |
|
15 |
B2 |
714 |
769 |
1.077 |
19 |
364 |
| CS |
carbon monosulfide |
1 |
Σ |
1183 |
1285 |
1.086 |
20 |
365 |
| CH |
Methylidyne |
1 |
Σ |
2617 |
2861 |
1.093 |
21 |
366 |
| |
|
1 |
Σ |
3139 |
2861 |
0.911 |
21 |
367 |
| |
|
1 |
Σ |
2617 |
3145 |
1.202 |
21 |
368 |
| |
|
1 |
Σ |
3139 |
3145 |
1.002 |
21 |
369 |
| |
|
1 |
Σ |
2617 |
2931 |
1.120 |
21 |
370 |
| |
|
1 |
Σ |
3139 |
2931 |
0.933 |
21 |
371 |
| OH |
Hydroxyl radical |
1 |
Σ |
3278 |
3738 |
1.140 |
22 |
372 |
| SiH2Cl2 |
dichlorosilane |
1 |
A1 |
2231 |
2224 |
0.997 |
23 |
373 |
| |
|
2 |
A1 |
919 |
954 |
1.038 |
23 |
374 |
| |
|
3 |
A1 |
442 |
527 |
1.193 |
23 |
375 |
| |
|
4 |
A1 |
166 |
188 |
1.130 |
23 |
376 |
| |
|
5 |
A2 |
699 |
710 |
1.016 |
23 |
377 |
| |
|
6 |
B1 |
2258 |
2237 |
0.991 |
23 |
378 |
| |
|
7 |
B1 |
548 |
602 |
1.098 |
23 |
379 |
| |
|
8 |
B2 |
855 |
876 |
1.025 |
23 |
380 |
| |
|
9 |
B2 |
502 |
590 |
1.176 |
23 |
381 |
| LiH |
Lithium Hydride |
1 |
Σ |
1321 |
1405 |
1.064 |
24 |
382 |
| NaH |
sodium hydride |
1 |
Σ |
1065 |
1172 |
1.100 |
25 |
383 |
| HCl |
Hydrogen chloride |
1 |
Σ |
2601 |
2991 |
1.150 |
26 |
384 |
| HF |
Hydrogen fluoride |
1 |
Σ |
3715 |
4138 |
1.114 |
27 |
385 |
| NH3 |
Ammonia |
1 |
A1 |
3384 |
3337 |
0.986 |
28 |
386 |
| |
|
2 |
A1 |
973 |
950 |
0.977 |
28 |
387 |
| |
|
3 |
E |
3526 |
3444 |
0.977 |
28 |
388 |
| |
|
4 |
E |
1787 |
1627 |
0.911 |
28 |
389 |
| MgH2 |
magnesium dihydride |
2 |
Σu |
1577 |
1572 |
0.997 |
29 |
390 |
| |
|
3 |
Πu |
477 |
440 |
0.922 |
29 |
391 |
| H2O |
Water |
1 |
A1 |
3466 |
3657 |
1.055 |
30 |
392 |
| |
|
2 |
A1 |
1732 |
1595 |
0.921 |
30 |
393 |
| |
|
3 |
B2 |
3608 |
3756 |
1.041 |
30 |
394 |
| H2S |
Hydrogen sulfide |
1 |
A1 |
2399 |
2615 |
1.090 |
31 |
395 |
| |
|
2 |
A1 |
1206 |
1183 |
0.981 |
31 |
396 |
| |
|
3 |
B2 |
2424 |
2626 |
1.083 |
31 |
397 |
| AlH3 |
aluminum trihydride |
1 |
A1' |
1857 |
1900 |
1.023 |
32 |
398 |
| |
|
2 |
A2" |
690 |
698 |
1.011 |
32 |
399 |
| |
|
3 |
E' |
1878 |
1883 |
1.003 |
32 |
400 |
| |
|
4 |
E' |
755 |
783 |
1.037 |
32 |
401 |
| BeH2 |
beryllium dihydride |
2 |
Σu |
2224 |
2159 |
0.971 |
33 |
402 |
| |
|
3 |
Πu |
718 |
698 |
0.972 |
33 |
403 |
| PH3 |
Phosphine |
1 |
A1 |
2200 |
2323 |
1.056 |
34 |
404 |
| |
|
2 |
A1 |
1020 |
992 |
0.972 |
34 |
405 |
| |
|
3 |
E |
2206 |
2328 |
1.055 |
34 |
406 |
| |
|
4 |
E |
1133 |
1118 |
0.986 |
34 |
407 |
| SiH4 |
Silane |
1 |
A1 |
2149 |
2187 |
1.018 |
35 |
408 |
| |
|
2 |
E |
958 |
975 |
1.018 |
35 |
409 |
| |
|
3 |
T2 |
2160 |
2191 |
1.014 |
35 |
410 |
| |
|
4 |
T2 |
889 |
914 |
1.028 |
35 |
411 |
| LiO |
lithium oxide |
1 |
Σ |
900 |
815 |
0.905 |
36 |
412 |
| NaO |
sodium monoxide |
1 |
Σ |
501 |
492 |
0.982 |
37 |
413 |
| BH3 |
boron trihydride |
2 |
A2" |
1155 |
1148 |
0.994 |
38 |
414 |
| |
|
3 |
E' |
2698 |
2602 |
0.964 |
38 |
415 |
| |
|
4 |
E' |
1221 |
1197 |
0.980 |
38 |
416 |
| BeH |
beryllium monohydride |
1 |
Σ |
1993 |
2061 |
1.034 |
39 |
417 |
| PH2 |
Phosphino radical |
1 |
A1 |
2143 |
2310 |
1.078 |
40 |
418 |
| |
|
2 |
A1 |
1107 |
1102 |
0.996 |
40 |
419 |
| SiH3 |
silyl |
1 |
A1 |
2128 |
2136 |
1.004 |
41 |
420 |
| |
|
2 |
A1 |
714 |
728 |
1.019 |
41 |
421 |
| |
|
3 |
E |
2166 |
2185 |
1.009 |
41 |
422 |
| |
|
4 |
E |
916 |
922 |
1.007 |
41 |
423 |
| BH |
Boron monohydride |
1 |
Σ |
2239 |
2367 |
1.057 |
42 |
424 |
| NH2 |
Amino radical |
1 |
A1 |
3112 |
3219 |
1.035 |
43 |
425 |
| |
|
2 |
A1 |
1615 |
1497 |
0.927 |
43 |
426 |
| |
|
3 |
B2 |
3212 |
3301 |
1.028 |
43 |
427 |
| NH |
Imidogen |
1 |
Σ |
2920 |
3283 |
1.124 |
44 |
428 |
| |
|
1 |
Σ |
2914 |
3283 |
1.127 |
44 |
429 |
| |
|
1 |
Σ |
2920 |
3314 |
1.135 |
44 |
430 |
| |
|
1 |
Σ |
2914 |
3314 |
1.137 |
44 |
431 |
| SiH |
Silylidyne |
1 |
Σ |
1856 |
2043 |
1.100 |
45 |
432 |
| SiH2 |
silicon dihydride |
1 |
A1 |
1897 |
1996 |
1.052 |
46 |
433 |
| |
|
1 |
A1 |
2107 |
1996 |
0.947 |
46 |
434 |
| |
|
2 |
A1 |
990 |
999 |
1.009 |
46 |
435 |
| |
|
2 |
A1 |
857 |
999 |
1.165 |
46 |
436 |
| |
|
3 |
B2 |
1904 |
1993 |
1.047 |
46 |
437 |
| |
|
3 |
B2 |
2170 |
1993 |
0.918 |
46 |
438 |
| SH |
Mercapto radical |
1 |
Σ |
2351 |
2696 |
1.147 |
47 |
439 |
| PH |
phosphorus monohydride |
1 |
Σ |
2104 |
2364 |
1.124 |
48 |
440 |
| |
|
1 |
Σ |
2084 |
2364 |
1.134 |
48 |
441 |
| |
|
1 |
Σ |
2104 |
2415 |
1.148 |
48 |
442 |
| |
|
1 |
Σ |
2084 |
2415 |
1.159 |
48 |
443 |
| |
|
1 |
Σ |
2104 |
2403 |
1.142 |
48 |
444 |
| |
|
1 |
Σ |
2084 |
2403 |
1.153 |
48 |
445 |
| AlH |
aluminum monohydride |
1 |
Σ |
1567 |
1682 |
1.074 |
49 |
446 |
| MgH |
magnesium monohydride |
1 |
Σ |
1410 |
1493 |
1.059 |
50 |
447 |
| BH2 |
boron dihydride |
2 |
A1 |
1038 |
954 |
0.919 |
51 |
448 |
| AlH2 |
aluminum dihydride |
1 |
A1 |
1774 |
1770 |
0.998 |
52 |
449 |
| |
|
2 |
A1 |
732 |
760 |
1.038 |
52 |
450 |
| |
|
3 |
B2 |
1816 |
1807 |
0.995 |
52 |
451 |
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.
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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 |