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

Compare vibrational frequencies in CCCBDB for CH3SiH3 (methyl silane)

HF/CEP-121G

Frequency in cm-1
  Calculated   Experimental
Mode Number Symmetry Frequency diff Symmetry Frequency Comment
1 A1 2871 -27 A1 2898  
2 A1 2060 -106 A1 2166  
3 A1 1328 68 A1 1260  
4 A1 895 -45 A1 940  
5 A1 640 -60 A1 700  
6 A2 132 -55 A2 187  
7 E 2963 -19 E 2982  
8 E 2063 -106 E 2169  
9 E 1462 59 E 1403  
10 E 920 -60 E 980  
11 E 902 34 E 868  
12 E 516 -24 E 540  
The calculated vibrational frequencies were scaled by 0.9125

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.