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

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

MP2/6-31G

Frequency in cm-1
  Calculated   Experimental
Mode Number Symmetry Frequency diff Symmetry Frequency Comment
1 A 3104 93 ?a 3011  
2 A 3102   ?a    
3 A 3058 80 ?a 2978  
4 A 3036 73 ?a 2963  
5 A 3019   ?a    
6 A 2983   ?a    
7 A 2974 48 ?a 2926  
8 A 2940 48 ?a 2892  
9 A 1507 36 ?a 1471  
10 A 1495 36 ?a 1459  
11 A 1465 59 ?a 1406  
12 A 1457 36 ?a 1421  
13 A 1449 128 ?a 1321  
14 A 1429 1 ?a 1428  
15 A 1347 79 ?a 1268  
16 A 1297 19 ?a 1278  
17 A 1258 -61 ?a 1319  
18 A 1088 -51 ?a 1139  
19 A 1069 -144 ?a 1213  
20 A 1022 32 ?a 990  
21 A 999 29 ?a 970  
22 A 971 4 ?a 967  
23 A 935 -19 ?a 954  
24 A 837 -223 ?a 1060  
25 A 783 -19 ?a 802  
26 A 650 -119 ?a 769  
27 A 550 -124 ?a 674  
28 A 400 -119 ?a 519  
29 A 340 -151 ?a 491  
30 A 304 -80 ?a 384  
31 A 250   ?a    
32 A 226 -98 ?a 324  
33 A 190 -67 ?a 257  
34 A 172   ?a    
35 A 154   ?a    
36 A 76   ?a    
The calculated vibrational frequencies were scaled by 0.9568

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.