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IV.C.1. (XIII.D.1.)

Compare vibrational frequencies in CCCBDB for C3H8O2S ((Methylsulphonyl)ethane)

MP2/CEP-121G

Frequency in cm-1
  Calculated   Experimental
Mode Number Symmetry Frequency diff Symmetry Frequency Comment
1 A 3099 88 ?a 3011  
2 A 3096   ?a    
3 A 3061 83 ?a 2978  
4 A 3030 67 ?a 2963  
5 A 3011   ?a    
6 A 2965   ?a    
7 A 2940 14 ?a 2926  
8 A 2911 19 ?a 2892  
9 A 1490 19 ?a 1471  
10 A 1481 22 ?a 1459  
11 A 1436 30 ?a 1406  
12 A 1432 11 ?a 1421  
13 A 1424 103 ?a 1321  
14 A 1421 -7 ?a 1428  
15 A 1343 75 ?a 1268  
16 A 1299 21 ?a 1278  
17 A 1245 -74 ?a 1319  
18 A 1088 -51 ?a 1139  
19 A 1065 -148 ?a 1213  
20 A 1003 13 ?a 990  
21 A 993 23 ?a 970  
22 A 961 -6 ?a 967  
23 A 897 -57 ?a 954  
24 A 799 -261 ?a 1060  
25 A 764 -38 ?a 802  
26 A 646 -123 ?a 769  
27 A 541 -133 ?a 674  
28 A 381 -138 ?a 519  
29 A 321 -170 ?a 491  
30 A 300 -84 ?a 384  
31 A 243   ?a    
32 A 224 -100 ?a 324  
33 A 184 -73 ?a 257  
34 A 164   ?a    
35 A 146   ?a    
36 A 64   ?a    
The calculated vibrational frequencies were scaled by 0.976

See section XIII.C.3 List or set vibrational scaling factors to change the scale factors used here.
See section III.B.3.c Calculate a vibrational scaling factor for a set of molecules to determine the least squares best scaling factor.
See section III.B.3.b List of vibrational scaling factors and their uncertainties for information on where the above scaling factor is from.