Vibrational frequency scaling factors
Calculated vibrational frequencies ("theory" in table) are calculated at
QCISD/6-31G
| Scale factor |
How many |
Source |
| Molecules |
Vibrations |
| 0.964 ± 0.031 |
22 |
404 |
cccbdb |
Jump to histogram
| Formula |
Name |
Mode |
Symmetry |
Frequency |
Count
|
| Theory |
Experiment |
ratio |
molecules |
vibrations |
| CH3NH2 |
methyl amine |
1 |
A' |
3505 |
3361 |
0.959 |
1 |
1 |
| |
|
2 |
A' |
3049 |
2961 |
0.971 |
1 |
2 |
| |
|
3 |
A' |
2943 |
2820 |
0.958 |
1 |
3 |
| |
|
4 |
A' |
1746 |
1623 |
0.929 |
1 |
4 |
| |
|
5 |
A' |
1546 |
1473 |
0.952 |
1 |
5 |
| |
|
6 |
A' |
1506 |
1430 |
0.949 |
1 |
6 |
| |
|
7 |
A' |
1181 |
1130 |
0.956 |
1 |
7 |
| |
|
8 |
A' |
1063 |
1044 |
0.982 |
1 |
8 |
| |
|
9 |
A' |
742 |
780 |
1.051 |
1 |
9 |
| |
|
10 |
A" |
3614 |
3427 |
0.948 |
1 |
10 |
| |
|
11 |
A" |
3094 |
2985 |
0.965 |
1 |
11 |
| |
|
12 |
A" |
1568 |
1485 |
0.947 |
1 |
12 |
| |
|
13 |
A" |
1375 |
1335 |
0.971 |
1 |
13 |
| |
|
14 |
A" |
984 |
1195 |
1.214 |
1 |
14 |
| |
|
15 |
A" |
314 |
268 |
0.853 |
1 |
15 |
| CH3CH2NH2 |
Ethylamine |
1 |
A' |
3485 |
3345 |
0.960 |
2 |
16 |
| |
|
2 |
A' |
3072 |
2985 |
0.972 |
2 |
17 |
| |
|
3 |
A' |
3017 |
2840 |
0.941 |
2 |
18 |
| |
|
4 |
A' |
2996 |
2860 |
0.955 |
2 |
19 |
| |
|
5 |
A' |
1741 |
1622 |
0.932 |
2 |
20 |
| |
|
6 |
A' |
1553 |
1487 |
0.958 |
2 |
21 |
| |
|
7 |
A' |
1539 |
1465 |
0.952 |
2 |
22 |
| |
|
8 |
A' |
1461 |
1378 |
0.943 |
2 |
23 |
| |
|
9 |
A' |
1419 |
1397 |
0.984 |
2 |
24 |
| |
|
10 |
A' |
1168 |
1016 |
0.870 |
2 |
25 |
| |
|
11 |
A' |
1068 |
1086 |
1.017 |
2 |
26 |
| |
|
12 |
A' |
899 |
892 |
0.992 |
2 |
27 |
| |
|
13 |
A' |
755 |
773 |
1.023 |
2 |
28 |
| |
|
14 |
A' |
405 |
403 |
0.994 |
2 |
29 |
| |
|
15 |
A" |
3595 |
3412 |
0.949 |
2 |
30 |
| |
|
16 |
A" |
3077 |
2924 |
0.950 |
2 |
31 |
| |
|
17 |
A" |
3049 |
2906 |
0.953 |
2 |
32 |
| |
|
18 |
A" |
1546 |
1455 |
0.941 |
2 |
33 |
| |
|
19 |
A" |
1405 |
1238 |
0.881 |
2 |
34 |
| |
|
20 |
A" |
1311 |
1293 |
0.987 |
2 |
35 |
| |
|
21 |
A" |
1023 |
1117 |
1.091 |
2 |
36 |
| |
|
22 |
A" |
788 |
816 |
1.035 |
2 |
37 |
| |
|
23 |
A" |
298 |
259 |
0.870 |
2 |
38 |
| |
|
24 |
A" |
262 |
218 |
0.832 |
2 |
39 |
| HNCO |
Isocyanic acid |
1 |
A' |
3781 |
3538 |
0.936 |
3 |
40 |
| |
|
2 |
A' |
2233 |
2269 |
1.016 |
3 |
41 |
| |
|
3 |
A' |
1250 |
1327 |
1.062 |
3 |
42 |
| |
|
4 |
A' |
639 |
777 |
1.216 |
3 |
43 |
| |
|
5 |
A' |
531 |
577 |
1.087 |
3 |
44 |
| |
|
6 |
A" |
522 |
656 |
1.258 |
3 |
45 |
| CH3COOCH3 |
methyl acetate |
1 |
A' |
3166 |
3035 |
0.959 |
4 |
46 |
| |
|
2 |
A' |
3146 |
3031 |
0.964 |
4 |
47 |
| |
|
3 |
A' |
3045 |
2966 |
0.974 |
4 |
48 |
| |
|
4 |
A' |
3039 |
2964 |
0.975 |
4 |
49 |
| |
|
5 |
A' |
1702 |
1771 |
1.040 |
4 |
50 |
| |
|
6 |
A' |
1546 |
1460 |
0.945 |
4 |
51 |
| |
|
7 |
A' |
1532 |
1440 |
0.940 |
4 |
52 |
| |
|
8 |
A' |
1491 |
1430 |
0.959 |
4 |
53 |
| |
|
9 |
A' |
1462 |
1375 |
0.941 |
4 |
54 |
| |
|
10 |
A' |
1284 |
1248 |
0.972 |
4 |
55 |
| |
|
11 |
A' |
1201 |
1159 |
0.965 |
4 |
56 |
| |
|
12 |
A' |
1074 |
1060 |
0.987 |
4 |
57 |
| |
|
13 |
A' |
974 |
980 |
1.007 |
4 |
58 |
| |
|
14 |
A' |
808 |
844 |
1.044 |
4 |
59 |
| |
|
15 |
A' |
635 |
639 |
1.007 |
4 |
60 |
| |
|
16 |
A' |
417 |
429 |
1.030 |
4 |
61 |
| |
|
17 |
A' |
271 |
303 |
1.120 |
4 |
62 |
| |
|
18 |
A" |
3128 |
3005 |
0.961 |
4 |
63 |
| |
|
19 |
A" |
3112 |
2994 |
0.962 |
4 |
64 |
| |
|
20 |
A" |
1532 |
1460 |
0.953 |
4 |
65 |
| |
|
21 |
A" |
1528 |
1430 |
0.936 |
4 |
66 |
| |
|
22 |
A" |
1168 |
1187 |
1.017 |
4 |
67 |
| |
|
23 |
A" |
1105 |
1036 |
0.938 |
4 |
68 |
| |
|
24 |
A" |
580 |
607 |
1.047 |
4 |
69 |
| |
|
25 |
A" |
171 |
187 |
1.091 |
4 |
70 |
| |
|
26 |
A" |
118 |
136 |
1.151 |
4 |
71 |
| |
|
27 |
A" |
81 |
110 |
1.357 |
4 |
72 |
| CH2CHCH3 |
Propene |
1 |
A' |
3197 |
3090 |
0.966 |
5 |
73 |
| |
|
2 |
A' |
3119 |
3013 |
0.966 |
5 |
74 |
| |
|
3 |
A' |
3105 |
2991 |
0.963 |
5 |
75 |
| |
|
4 |
A' |
3072 |
2954 |
0.962 |
5 |
76 |
| |
|
5 |
A' |
2996 |
2871 |
0.958 |
5 |
77 |
| |
|
6 |
A' |
1702 |
1650 |
0.970 |
5 |
78 |
| |
|
7 |
A' |
1551 |
1470 |
0.948 |
5 |
79 |
| |
|
8 |
A' |
1496 |
1420 |
0.949 |
5 |
80 |
| |
|
9 |
A' |
1472 |
1378 |
0.936 |
5 |
81 |
| |
|
10 |
A' |
1356 |
1297 |
0.956 |
5 |
82 |
| |
|
11 |
A' |
1220 |
1171 |
0.960 |
5 |
83 |
| |
|
12 |
A' |
983 |
963 |
0.980 |
5 |
84 |
| |
|
13 |
A' |
928 |
920 |
0.991 |
5 |
85 |
| |
|
14 |
A' |
432 |
428 |
0.990 |
5 |
86 |
| |
|
15 |
A" |
3056 |
2954 |
0.967 |
5 |
87 |
| |
|
16 |
A" |
1534 |
1443 |
0.941 |
5 |
88 |
| |
|
17 |
A" |
1111 |
1045 |
0.941 |
5 |
89 |
| |
|
18 |
A" |
1013 |
991 |
0.978 |
5 |
90 |
| |
|
19 |
A" |
930 |
912 |
0.980 |
5 |
91 |
| |
|
20 |
A" |
586 |
578 |
0.987 |
5 |
92 |
| |
|
21 |
A" |
183 |
174 |
0.952 |
5 |
93 |
| CH3CH2CHO |
Propanal |
1 |
A' |
3097 |
2981 |
0.963 |
6 |
94 |
| |
|
2 |
A' |
3024 |
2904 |
0.960 |
6 |
95 |
| |
|
3 |
A' |
2993 |
2895 |
0.967 |
6 |
96 |
| |
|
4 |
A' |
2948 |
2809 |
0.953 |
6 |
97 |
| |
|
5 |
A' |
1678 |
1743 |
1.039 |
6 |
98 |
| |
|
6 |
A' |
1550 |
1460 |
0.942 |
6 |
99 |
| |
|
7 |
A' |
1525 |
1416 |
0.929 |
6 |
100 |
| |
|
8 |
A' |
1478 |
1390 |
0.941 |
6 |
101 |
| |
|
9 |
A' |
1438 |
1376 |
0.957 |
6 |
102 |
| |
|
10 |
A' |
1397 |
1335 |
0.956 |
6 |
103 |
| |
|
11 |
A' |
1130 |
1093 |
0.967 |
6 |
104 |
| |
|
12 |
A' |
1039 |
993 |
0.956 |
6 |
105 |
| |
|
13 |
A' |
864 |
848 |
0.982 |
6 |
106 |
| |
|
14 |
A' |
673 |
668 |
0.992 |
6 |
107 |
| |
|
15 |
A' |
268 |
271 |
1.010 |
6 |
108 |
| |
|
16 |
A" |
3104 |
2992 |
0.964 |
6 |
109 |
| |
|
17 |
A" |
3020 |
2942 |
0.974 |
6 |
110 |
| |
|
18 |
A" |
1548 |
1451 |
0.938 |
6 |
111 |
| |
|
19 |
A" |
1312 |
1250 |
0.953 |
6 |
112 |
| |
|
20 |
A" |
1179 |
1118 |
0.948 |
6 |
113 |
| |
|
21 |
A" |
921 |
892 |
0.968 |
6 |
114 |
| |
|
22 |
A" |
718 |
660 |
0.919 |
6 |
115 |
| |
|
23 |
A" |
223 |
220 |
0.985 |
6 |
116 |
| |
|
24 |
A" |
128 |
135 |
1.055 |
6 |
117 |
| C4H9N |
Pyrrolidine |
1 |
A' |
3522 |
3356 |
0.953 |
7 |
118 |
| |
|
2 |
A' |
3092 |
2975 |
0.962 |
7 |
119 |
| |
|
3 |
A' |
3065 |
2927 |
0.955 |
7 |
120 |
| |
|
4 |
A' |
3040 |
2889 |
0.950 |
7 |
121 |
| |
|
5 |
A' |
2914 |
2824 |
0.969 |
7 |
122 |
| |
|
6 |
A' |
1578 |
1484 |
0.940 |
7 |
123 |
| |
|
7 |
A' |
1558 |
1447 |
0.929 |
7 |
124 |
| |
|
8 |
A' |
1425 |
1292 |
0.907 |
7 |
125 |
| |
|
9 |
A' |
1346 |
1273 |
0.945 |
7 |
126 |
| |
|
10 |
A' |
1256 |
1228 |
0.977 |
7 |
127 |
| |
|
11 |
A' |
1241 |
1181 |
0.951 |
7 |
128 |
| |
|
12 |
A' |
1087 |
974 |
0.896 |
7 |
129 |
| |
|
13 |
A' |
1016 |
920 |
0.905 |
7 |
130 |
| |
|
14 |
A' |
940 |
901 |
0.959 |
7 |
131 |
| |
|
15 |
A' |
892 |
871 |
0.976 |
7 |
132 |
| |
|
16 |
A' |
850 |
832 |
0.979 |
7 |
133 |
| |
|
17 |
A' |
761 |
789 |
1.037 |
7 |
134 |
| |
|
18 |
A' |
566 |
579 |
1.024 |
7 |
135 |
| |
|
19 |
A' |
262 |
299 |
1.142 |
7 |
136 |
| |
|
20 |
A" |
3071 |
2967 |
0.966 |
7 |
137 |
| |
|
21 |
A" |
3057 |
2916 |
0.954 |
7 |
138 |
| |
|
22 |
A" |
3028 |
2879 |
0.951 |
7 |
139 |
| |
|
23 |
A" |
2910 |
2818 |
0.969 |
7 |
140 |
| |
|
24 |
A" |
1565 |
1459 |
0.932 |
7 |
141 |
| |
|
25 |
A" |
1543 |
1412 |
0.915 |
7 |
142 |
| |
|
26 |
A" |
1483 |
1341 |
0.904 |
7 |
143 |
| |
|
27 |
A" |
1365 |
1268 |
0.929 |
7 |
144 |
| |
|
28 |
A" |
1334 |
1211 |
0.908 |
7 |
145 |
| |
|
29 |
A" |
1278 |
1203 |
0.941 |
7 |
146 |
| |
|
30 |
A" |
1219 |
1171 |
0.960 |
7 |
147 |
| |
|
31 |
A" |
1147 |
1099 |
0.958 |
7 |
148 |
| |
|
32 |
A" |
1116 |
1023 |
0.917 |
7 |
149 |
| |
|
33 |
A" |
936 |
883 |
0.944 |
7 |
150 |
| |
|
34 |
A" |
888 |
848 |
0.955 |
7 |
151 |
| |
|
35 |
A" |
650 |
600 |
0.924 |
7 |
152 |
| |
|
36 |
A" |
23 |
65 |
2.863 |
7 |
153 |
| C5H8 |
Cyclopentene |
1 |
A' |
3186 |
3066 |
0.962 |
8 |
154 |
| |
|
2 |
A' |
3078 |
2958 |
0.961 |
8 |
155 |
| |
|
3 |
A' |
3043 |
2916 |
0.958 |
8 |
156 |
| |
|
4 |
A' |
3024 |
2902 |
0.960 |
8 |
157 |
| |
|
5 |
A' |
2999 |
2852 |
0.951 |
8 |
158 |
| |
|
6 |
A' |
1673 |
1616 |
0.966 |
8 |
159 |
| |
|
7 |
A' |
1564 |
1467 |
0.938 |
8 |
160 |
| |
|
8 |
A' |
1544 |
1449 |
0.939 |
8 |
161 |
| |
|
9 |
A' |
1360 |
1302 |
0.957 |
8 |
162 |
| |
|
10 |
A' |
1258 |
1284 |
1.020 |
8 |
163 |
| |
|
11 |
A' |
1164 |
1213 |
1.042 |
8 |
164 |
| |
|
12 |
A' |
1104 |
1048 |
0.949 |
8 |
165 |
| |
|
13 |
A' |
978 |
964 |
0.985 |
8 |
166 |
| |
|
14 |
A' |
894 |
962 |
1.076 |
8 |
167 |
| |
|
15 |
A' |
830 |
904 |
1.089 |
8 |
168 |
| |
|
16 |
A' |
722 |
692 |
0.958 |
8 |
169 |
| |
|
17 |
A' |
646 |
603 |
0.934 |
8 |
170 |
| |
|
18 |
A' |
108 |
254 |
2.349 |
8 |
171 |
| |
|
19 |
A" |
3156 |
3039 |
0.963 |
8 |
172 |
| |
|
20 |
A" |
3040 |
2967 |
0.976 |
8 |
173 |
| |
|
21 |
A" |
3000 |
2927 |
0.976 |
8 |
174 |
| |
|
22 |
A" |
1554 |
1467 |
0.944 |
8 |
175 |
| |
|
23 |
A" |
1403 |
1432 |
1.021 |
8 |
176 |
| |
|
24 |
A" |
1362 |
1356 |
0.995 |
8 |
177 |
| |
|
25 |
A" |
1339 |
1302 |
0.972 |
8 |
178 |
| |
|
26 |
A" |
1252 |
1297 |
1.036 |
8 |
179 |
| |
|
27 |
A" |
1182 |
1207 |
1.021 |
8 |
180 |
| |
|
28 |
A" |
1053 |
1113 |
1.057 |
8 |
181 |
| |
|
29 |
A" |
960 |
1082 |
1.127 |
8 |
182 |
| |
|
30 |
A" |
925 |
937 |
1.013 |
8 |
183 |
| |
|
31 |
A" |
905 |
800 |
0.884 |
8 |
184 |
| |
|
32 |
A" |
789 |
702 |
0.890 |
8 |
185 |
| |
|
33 |
A" |
386 |
387 |
1.003 |
8 |
186 |
| C8H8 |
cubane |
1 |
A1g |
3147 |
2995 |
0.952 |
9 |
187 |
| |
|
2 |
A1g |
988 |
1002 |
1.014 |
9 |
188 |
| |
|
3 |
A2u |
3103 |
2978 |
0.960 |
9 |
189 |
| |
|
4 |
A2u |
955 |
839 |
0.878 |
9 |
190 |
| |
|
5 |
Eg |
1115 |
1083 |
0.971 |
9 |
191 |
| |
|
6 |
Eg |
906 |
912 |
1.006 |
9 |
192 |
| |
|
7 |
Eu |
1045 |
1151 |
1.102 |
9 |
193 |
| |
|
8 |
Eu |
482 |
617 |
1.280 |
9 |
194 |
| |
|
9 |
T1g |
1157 |
1130 |
0.977 |
9 |
195 |
| |
|
10 |
T1u |
3123 |
2978 |
0.954 |
9 |
196 |
| |
|
11 |
T1u |
1263 |
1230 |
0.974 |
9 |
197 |
| |
|
12 |
T1u |
831 |
853 |
1.026 |
9 |
198 |
| |
|
13 |
T2g |
3112 |
2970 |
0.954 |
9 |
199 |
| |
|
14 |
T2g |
1182 |
1182 |
1.000 |
9 |
200 |
| |
|
15 |
T2g |
799 |
821 |
1.027 |
9 |
201 |
| |
|
16 |
T2g |
607 |
665 |
1.095 |
9 |
202 |
| |
|
17 |
T2u |
1056 |
1036 |
0.981 |
9 |
203 |
| |
|
18 |
T2u |
819 |
829 |
1.013 |
9 |
204 |
| C4H4N2 |
Pyrazine |
1 |
Ag |
3199 |
3055 |
0.955 |
10 |
205 |
| |
|
2 |
Ag |
1593 |
1580 |
0.992 |
10 |
206 |
| |
|
3 |
Ag |
1262 |
1233 |
0.977 |
10 |
207 |
| |
|
4 |
Ag |
1010 |
1016 |
1.006 |
10 |
208 |
| |
|
5 |
Ag |
618 |
602 |
0.974 |
10 |
209 |
| |
|
6 |
Au |
951 |
960 |
1.009 |
10 |
210 |
| |
|
7 |
Au |
341 |
350 |
1.026 |
10 |
211 |
| |
|
8 |
B1g |
927 |
927 |
1.000 |
10 |
212 |
| |
|
9 |
B1u |
3175 |
3012 |
0.949 |
10 |
213 |
| |
|
10 |
B1u |
1506 |
1483 |
0.985 |
10 |
214 |
| |
|
11 |
B1u |
1149 |
1130 |
0.983 |
10 |
215 |
| |
|
12 |
B1u |
1019 |
1018 |
0.999 |
10 |
216 |
| |
|
13 |
B2g |
936 |
983 |
1.050 |
10 |
217 |
| |
|
14 |
B2g |
737 |
756 |
1.025 |
10 |
218 |
| |
|
15 |
B2u |
3191 |
3069 |
0.962 |
10 |
219 |
| |
|
16 |
B2u |
1438 |
1411 |
0.981 |
10 |
220 |
| |
|
17 |
B2u |
1106 |
1149 |
1.039 |
10 |
221 |
| |
|
18 |
B2u |
1064 |
1063 |
0.999 |
10 |
222 |
| |
|
19 |
B3g |
3172 |
3040 |
0.958 |
10 |
223 |
| |
|
20 |
B3g |
1529 |
1525 |
0.997 |
10 |
224 |
| |
|
21 |
B3g |
1382 |
1346 |
0.974 |
10 |
225 |
| |
|
22 |
B3g |
713 |
704 |
0.987 |
10 |
226 |
| |
|
23 |
B3u |
787 |
785 |
0.997 |
10 |
227 |
| |
|
24 |
B3u |
428 |
418 |
0.976 |
10 |
228 |
| C5H6 |
1,3-Cyclopentadiene |
1 |
A1 |
3214 |
3091 |
0.962 |
11 |
229 |
| |
|
2 |
A1 |
3182 |
3075 |
0.966 |
11 |
230 |
| |
|
3 |
A1 |
3011 |
2886 |
0.959 |
11 |
231 |
| |
|
4 |
A1 |
1568 |
1500 |
0.957 |
11 |
232 |
| |
|
5 |
A1 |
1504 |
1378 |
0.916 |
11 |
233 |
| |
|
6 |
A1 |
1410 |
1365 |
0.968 |
11 |
234 |
| |
|
7 |
A1 |
1156 |
1106 |
0.956 |
11 |
235 |
| |
|
8 |
A1 |
996 |
994 |
0.998 |
11 |
236 |
| |
|
9 |
A1 |
915 |
915 |
1.000 |
11 |
237 |
| |
|
10 |
A1 |
826 |
802 |
0.971 |
11 |
238 |
| |
|
11 |
A2 |
1154 |
1100 |
0.953 |
11 |
239 |
| |
|
12 |
A2 |
872 |
941 |
1.079 |
11 |
240 |
| |
|
13 |
A2 |
709 |
700 |
0.987 |
11 |
241 |
| |
|
14 |
A2 |
507 |
516 |
1.017 |
11 |
242 |
| |
|
15 |
B1 |
3045 |
2900 |
0.952 |
11 |
243 |
| |
|
16 |
B1 |
983 |
925 |
0.941 |
11 |
244 |
| |
|
17 |
B1 |
903 |
891 |
0.986 |
11 |
245 |
| |
|
18 |
B1 |
670 |
664 |
0.992 |
11 |
246 |
| |
|
19 |
B1 |
359 |
350 |
0.975 |
11 |
247 |
| |
|
20 |
B2 |
3202 |
3105 |
0.970 |
11 |
248 |
| |
|
21 |
B2 |
3173 |
3043 |
0.959 |
11 |
249 |
| |
|
22 |
B2 |
1632 |
1580 |
0.968 |
11 |
250 |
| |
|
23 |
B2 |
1344 |
1292 |
0.961 |
11 |
251 |
| |
|
24 |
B2 |
1300 |
1239 |
0.953 |
11 |
252 |
| |
|
25 |
B2 |
1145 |
1090 |
0.952 |
11 |
253 |
| |
|
26 |
B2 |
979 |
959 |
0.980 |
11 |
254 |
| |
|
27 |
B2 |
828 |
805 |
0.972 |
11 |
255 |
| CH3CHCHCH3 |
2-Butene, (Z)- |
1 |
A1 |
3123 |
3033 |
0.971 |
12 |
256 |
| |
|
2 |
A1 |
3099 |
2965 |
0.957 |
12 |
257 |
| |
|
3 |
A1 |
3003 |
2878 |
0.958 |
12 |
258 |
| |
|
4 |
A1 |
1725 |
1669 |
0.968 |
12 |
259 |
| |
|
5 |
A1 |
1554 |
1448 |
0.932 |
12 |
260 |
| |
|
6 |
A1 |
1482 |
1397 |
0.943 |
12 |
261 |
| |
|
7 |
A1 |
1329 |
1261 |
0.949 |
12 |
262 |
| |
|
8 |
A1 |
1056 |
986 |
0.934 |
12 |
263 |
| |
|
9 |
A1 |
869 |
880 |
1.012 |
12 |
264 |
| |
|
10 |
A1 |
300 |
290 |
0.966 |
12 |
265 |
| |
|
11 |
A2 |
3052 |
2988 |
0.979 |
12 |
266 |
| |
|
12 |
A2 |
1535 |
1464 |
0.954 |
12 |
267 |
| |
|
13 |
A2 |
1099 |
1037 |
0.943 |
12 |
268 |
| |
|
14 |
A2 |
993 |
880 |
0.886 |
12 |
269 |
| |
|
15 |
A2 |
380 |
396 |
1.042 |
12 |
270 |
| |
|
17 |
B1 |
3053 |
2965 |
0.971 |
12 |
271 |
| |
|
18 |
B1 |
1541 |
1448 |
0.940 |
12 |
272 |
| |
|
19 |
B1 |
1110 |
986 |
0.888 |
12 |
273 |
| |
|
20 |
B1 |
708 |
673 |
0.950 |
12 |
274 |
| |
|
22 |
B2 |
3097 |
3033 |
0.979 |
12 |
275 |
| |
|
23 |
B2 |
3081 |
2965 |
0.962 |
12 |
276 |
| |
|
24 |
B2 |
2999 |
2900 |
0.967 |
12 |
277 |
| |
|
25 |
B2 |
1546 |
1448 |
0.936 |
12 |
278 |
| |
|
26 |
B2 |
1473 |
1420 |
0.964 |
12 |
279 |
| |
|
27 |
B2 |
1456 |
1397 |
0.959 |
12 |
280 |
| |
|
28 |
B2 |
1183 |
1135 |
0.959 |
12 |
281 |
| |
|
29 |
B2 |
997 |
986 |
0.989 |
12 |
282 |
| |
|
30 |
B2 |
580 |
583 |
1.005 |
12 |
283 |
| C5H8 |
1,4-Pentadiene |
1 |
A |
3197 |
3080 |
0.963 |
13 |
284 |
| |
|
2 |
A |
3119 |
3012 |
0.966 |
13 |
285 |
| |
|
3 |
A |
3104 |
3012 |
0.970 |
13 |
286 |
| |
|
4 |
A |
2977 |
2900 |
0.974 |
13 |
287 |
| |
|
5 |
A |
1700 |
1644 |
0.967 |
13 |
288 |
| |
|
6 |
A |
1530 |
1433 |
0.936 |
13 |
289 |
| |
|
7 |
A |
1495 |
1413 |
0.945 |
13 |
290 |
| |
|
8 |
A |
1348 |
1295 |
0.960 |
13 |
291 |
| |
|
9 |
A |
1286 |
1263 |
0.982 |
13 |
292 |
| |
|
10 |
A |
1108 |
1120 |
1.011 |
13 |
293 |
| |
|
11 |
A |
1010 |
995 |
0.985 |
13 |
294 |
| |
|
12 |
A |
937 |
918 |
0.980 |
13 |
295 |
| |
|
13 |
A |
918 |
876 |
0.954 |
13 |
296 |
| |
|
14 |
A |
668 |
562 |
0.841 |
13 |
297 |
| |
|
15 |
A |
378 |
421 |
1.114 |
13 |
298 |
| |
|
16 |
A |
297 |
137 |
0.462 |
13 |
299 |
| |
|
17 |
A |
83 |
102 |
1.230 |
13 |
300 |
| |
|
18 |
B |
3197 |
3080 |
0.963 |
13 |
301 |
| |
|
19 |
B |
3118 |
3012 |
0.966 |
13 |
302 |
| |
|
20 |
B |
3105 |
3012 |
0.970 |
13 |
303 |
| |
|
21 |
B |
3018 |
2982 |
0.988 |
13 |
304 |
| |
|
22 |
B |
1689 |
1640 |
0.971 |
13 |
305 |
| |
|
23 |
B |
1494 |
1413 |
0.946 |
13 |
306 |
| |
|
24 |
B |
1356 |
1314 |
0.969 |
13 |
307 |
| |
|
25 |
B |
1347 |
1280 |
0.950 |
13 |
308 |
| |
|
26 |
B |
1192 |
1060 |
0.890 |
13 |
309 |
| |
|
27 |
B |
1011 |
995 |
0.984 |
13 |
310 |
| |
|
28 |
B |
977 |
995 |
1.018 |
13 |
311 |
| |
|
29 |
B |
937 |
920 |
0.982 |
13 |
312 |
| |
|
30 |
B |
920 |
760 |
0.826 |
13 |
313 |
| |
|
31 |
B |
601 |
721 |
1.200 |
13 |
314 |
| |
|
32 |
B |
453 |
421 |
0.930 |
13 |
315 |
| |
|
33 |
B |
83 |
331 |
3.984 |
13 |
316 |
| CH3CHCHCH3 |
2-Butene, (E)- |
1 |
Ag |
3095 |
3011 |
0.973 |
14 |
317 |
| |
|
2 |
Ag |
3070 |
2954 |
0.962 |
14 |
318 |
| |
|
3 |
Ag |
2995 |
2874 |
0.960 |
14 |
319 |
| |
|
4 |
Ag |
1735 |
1680 |
0.968 |
14 |
320 |
| |
|
5 |
Ag |
1549 |
1457 |
0.940 |
14 |
321 |
| |
|
6 |
Ag |
1475 |
1385 |
0.939 |
14 |
322 |
| |
|
7 |
Ag |
1363 |
1309 |
0.960 |
14 |
323 |
| |
|
8 |
Ag |
1193 |
1146 |
0.960 |
14 |
324 |
| |
|
9 |
Ag |
891 |
866 |
0.972 |
14 |
325 |
| |
|
10 |
Ag |
503 |
501 |
0.996 |
14 |
326 |
| |
|
11 |
Au |
3054 |
2960 |
0.969 |
14 |
327 |
| |
|
12 |
Au |
1533 |
1449 |
0.945 |
14 |
328 |
| |
|
13 |
Au |
1113 |
1057 |
0.950 |
14 |
329 |
| |
|
14 |
Au |
993 |
964 |
0.971 |
14 |
330 |
| |
|
15 |
Au |
243 |
224 |
0.923 |
14 |
331 |
| |
|
17 |
Bg |
3054 |
2954 |
0.967 |
14 |
332 |
| |
|
18 |
Bg |
1534 |
1457 |
0.950 |
14 |
333 |
| |
|
19 |
Bg |
1103 |
1039 |
0.942 |
14 |
334 |
| |
|
20 |
Bg |
754 |
750 |
0.995 |
14 |
335 |
| |
|
22 |
Bu |
3100 |
3021 |
0.974 |
14 |
336 |
| |
|
23 |
Bu |
3068 |
2960 |
0.965 |
14 |
337 |
| |
|
24 |
Bu |
2994 |
2899 |
0.968 |
14 |
338 |
| |
|
25 |
Bu |
1554 |
1449 |
0.933 |
14 |
339 |
| |
|
26 |
Bu |
1474 |
1393 |
0.945 |
14 |
340 |
| |
|
27 |
Bu |
1375 |
1311 |
0.953 |
14 |
341 |
| |
|
28 |
Bu |
1083 |
1072 |
0.990 |
14 |
342 |
| |
|
29 |
Bu |
1027 |
987 |
0.961 |
14 |
343 |
| |
|
30 |
Bu |
286 |
261 |
0.913 |
14 |
344 |
| CH3SSCH3 |
Disulfide, dimethyl |
1 |
A |
3166 |
2990 |
0.944 |
15 |
345 |
| |
|
2 |
A |
3148 |
2983 |
0.948 |
15 |
346 |
| |
|
3 |
A |
3050 |
2913 |
0.955 |
15 |
347 |
| |
|
4 |
A |
1521 |
1426 |
0.938 |
15 |
348 |
| |
|
5 |
A |
1507 |
1419 |
0.941 |
15 |
349 |
| |
|
6 |
A |
1404 |
1311 |
0.934 |
15 |
350 |
| |
|
7 |
A |
1002 |
955 |
0.953 |
15 |
351 |
| |
|
8 |
A |
998 |
949 |
0.951 |
15 |
352 |
| |
|
9 |
A |
638 |
694 |
1.087 |
15 |
353 |
| |
|
10 |
A |
399 |
509 |
1.277 |
15 |
354 |
| |
|
11 |
A |
196 |
240 |
1.225 |
15 |
355 |
| |
|
12 |
A |
131 |
134 |
1.020 |
15 |
356 |
| |
|
13 |
A |
75 |
117 |
1.555 |
15 |
357 |
| |
|
14 |
B |
3166 |
2990 |
0.944 |
15 |
358 |
| |
|
15 |
B |
3147 |
2983 |
0.948 |
15 |
359 |
| |
|
16 |
B |
3050 |
2915 |
0.956 |
15 |
360 |
| |
|
17 |
B |
1524 |
1430 |
0.938 |
15 |
361 |
| |
|
18 |
B |
1503 |
1415 |
0.941 |
15 |
362 |
| |
|
19 |
B |
1398 |
1303 |
0.932 |
15 |
363 |
| |
|
20 |
B |
1001 |
955 |
0.954 |
15 |
364 |
| |
|
21 |
B |
998 |
949 |
0.951 |
15 |
365 |
| |
|
22 |
B |
636 |
691 |
1.087 |
15 |
366 |
| |
|
23 |
B |
224 |
274 |
1.222 |
15 |
367 |
| |
|
24 |
B |
142 |
134 |
0.942 |
15 |
368 |
| CF2 |
Difluoromethylene |
1 |
A1 |
1093 |
1225 |
1.121 |
16 |
369 |
| |
|
1 |
A1 |
1031 |
1225 |
1.189 |
16 |
370 |
| |
|
2 |
A1 |
570 |
667 |
1.170 |
16 |
371 |
| |
|
2 |
A1 |
457 |
667 |
1.459 |
16 |
372 |
| |
|
3 |
B2 |
1033 |
1114 |
1.079 |
16 |
373 |
| |
|
3 |
B2 |
1243 |
1114 |
0.896 |
16 |
374 |
| SF6 |
Sulfur Hexafluoride |
1 |
A1g |
612 |
774 |
1.265 |
17 |
375 |
| |
|
2 |
Eg |
596 |
642 |
1.076 |
17 |
376 |
| |
|
3 |
T1u |
890 |
948 |
1.065 |
17 |
377 |
| |
|
4 |
T1u |
410 |
616 |
1.501 |
17 |
378 |
| |
|
5 |
T2g |
345 |
525 |
1.522 |
17 |
379 |
| |
|
6 |
T2u |
227 |
347 |
1.531 |
17 |
380 |
| C3H4 |
cyclopropene |
1 |
A1 |
3308 |
3158 |
0.955 |
18 |
381 |
| |
|
2 |
A1 |
3085 |
2909 |
0.943 |
18 |
382 |
| |
|
3 |
A1 |
1675 |
1653 |
0.987 |
18 |
383 |
| |
|
4 |
A1 |
1563 |
1483 |
0.949 |
18 |
384 |
| |
|
5 |
A1 |
1152 |
1110 |
0.963 |
18 |
385 |
| |
|
6 |
A1 |
937 |
905 |
0.966 |
18 |
386 |
| |
|
7 |
A2 |
1032 |
996 |
0.966 |
18 |
387 |
| |
|
8 |
A2 |
794 |
820 |
1.032 |
18 |
388 |
| |
|
9 |
B1 |
3158 |
2995 |
0.948 |
18 |
389 |
| |
|
10 |
B1 |
1127 |
1088 |
0.966 |
18 |
390 |
| |
|
11 |
B1 |
573 |
569 |
0.993 |
18 |
391 |
| |
|
12 |
B2 |
3261 |
3124 |
0.958 |
18 |
392 |
| |
|
13 |
B2 |
1135 |
1043 |
0.919 |
18 |
393 |
| |
|
14 |
B2 |
1095 |
1011 |
0.923 |
18 |
394 |
| |
|
15 |
B2 |
740 |
769 |
1.039 |
18 |
395 |
| CS |
carbon monosulfide |
1 |
Σ |
1058 |
1285 |
1.214 |
19 |
396 |
| SiH2Cl2 |
dichlorosilane |
1 |
A1 |
2185 |
2224 |
1.018 |
20 |
397 |
| |
|
2 |
A1 |
897 |
954 |
1.063 |
20 |
398 |
| |
|
3 |
A1 |
443 |
527 |
1.189 |
20 |
399 |
| |
|
4 |
A1 |
158 |
188 |
1.191 |
20 |
400 |
| |
|
5 |
A2 |
660 |
710 |
1.075 |
20 |
401 |
| |
|
6 |
B1 |
2219 |
2237 |
1.008 |
20 |
402 |
| |
|
7 |
B1 |
544 |
602 |
1.107 |
20 |
403 |
| |
|
8 |
B2 |
828 |
876 |
1.059 |
20 |
404 |
| |
|
9 |
B2 |
503 |
590 |
1.172 |
20 |
405 |
| LiO |
lithium oxide |
1 |
Σ |
803 |
815 |
1.014 |
21 |
406 |
| NaO |
sodium monoxide |
1 |
Σ |
470 |
492 |
1.048 |
22 |
407 |
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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250 |
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200 |
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150 |
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100 |
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50 |
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0 |
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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 |