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

Compare vibrational frequencies in CCCBDB for CH3SCH3 (Dimethyl sulfide)

B3LYP/6-31G

Frequency in cm-1
  Calculated   Experimental
Mode Number Symmetry Frequency diff Symmetry Frequency Comment
1 A1 3065 67 A1 2998  
2 A1 2954 24 A1 2930  
3 A1 1471 27 A1 1444  
4 A1 1351 20 A1 1331  
5 A1 1031 58 A1 973  
6 A1 614 -81 A1 695  
7 A1 233 -49 A1 282  
8 A2 3050 98 A2 2952  
9 A2 1454 34 A2 1420  
10 A2 937 18 A2 919  
11 A2 157        
12 B1 3046 76 B1 2970  
13 B1 1461 22 B1 1439  
14 B1 968 -5 B1 973  
15 B1 153 -29 B1 182  
16 B2 3066 68 B2 2998  
17 B2 2956 26 B2 2930  
18 B2 1462 18 B2 1444  
19 B2 1328 13 B2 1315  
20 B2 908 5 B2 903  
21 B2 661 -82 B2 743  
The calculated vibrational frequencies were scaled by 0.962

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.