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

Compare vibrational frequencies in CCCBDB for CH3SCH3 (Dimethyl sulfide)

HF/3-21G

Frequency in cm-1
  Calculated   Experimental
Mode Number Symmetry Frequency diff Symmetry Frequency Comment
1 A1 3018 20 A1 2998  
2 A1 2929 -1 A1 2930  
3 A1 1496 52 A1 1444  
4 A1 1373 42 A1 1331  
5 A1 1044 71 A1 973  
6 A1 602 -93 A1 695  
7 A1 234 -48 A1 282  
8 A2 3013 61 A2 2952  
9 A2 1483 63 A2 1420  
10 A2 947 28 A2 919  
11 A2 150        
12 B1 3011 41 B1 2970  
13 B1 1493 54 B1 1439  
14 B1 974 1 B1 973  
15 B1 156 -26 B1 182  
16 B2 3018 20 B2 2998  
17 B2 2930 0 B2 2930  
18 B2 1488 44 B2 1444  
19 B2 1347 32 B2 1315  
20 B2 922 19 B2 903  
21 B2 649 -94 B2 743  
The calculated vibrational frequencies were scaled by 0.9056

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.