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

Compare vibrational frequencies in CCCBDB for CH3SiH3 (methyl silane)

MP2/CEP-121G

Frequency in cm-1
  Calculated   Experimental
Mode Number Symmetry Frequency diff Symmetry Frequency Comment
1 A1 2903 5 A1 2898  
2 A1 2109 -57 A1 2166  
3 A1 1342 82 A1 1260  
4 A1 902 -38 A1 940  
5 A1 656 -44 A1 700  
6 A2 148 -39 A2 187  
7 E 3011 29 E 2982  
8 E 2129 -40 E 2169  
9 E 1449 46 E 1403  
10 E 926 -54 E 980  
11 E 911 43 E 868  
12 E 507 -33 E 540  
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.