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

Compare vibrational frequencies in CCCBDB for CH3SCH2CH3 (Ethane, (methylthio)-)

HF/CEP-31G*

Frequency in cm-1
  Calculated   Experimental
Mode Number Symmetry Frequency diff Symmetry Frequency Comment
1 A' 2988 -3 A' 2991  
2 A' 2954 -3 A' 2957  
3 A' 2911 -9 A' 2920  
4 A' 2901 30 A' 2871  
5 A' 2893 63 A' 2830  
6 A' 1464 3 A' 1461  
7 A' 1456 21 A' 1435  
8 A' 1449 22 A' 1427  
9 A' 1388 11 A' 1377  
10 A' 1345 24 A' 1321  
11 A' 1285 23 A' 1262  
12 A' 1060 0 A' 1060  
13 A' 957   A'    
14 A' 943 -25 A' 968  
15 A' 717 -10 A' 727  
16 A' 669 15 A' 654  
17 A' 330 -23 A' 353  
18 A' 188 -39 A' 227  
19 A" 2979 -12 A" 2991  
20 A" 2972 15 A" 2957  
21 A" 2950 30 A" 2920  
22 A" 1456 7 A" 1449  
23 A" 1438 3 A" 1435  
24 A" 1232 -7 A" 1239  
25 A" 1020   A"    
26 A" 949 -5 A" 954  
27 A" 753 -4 A" 757  
28 A" 230   A"    
29 A" 165   A"    
30 A" 81   A"    
The calculated vibrational frequencies were scaled by 0.898

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.