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

Compare vibrational frequencies in CCCBDB for GeH3CH3 (methyl germane)

B3PW91/STO-3G

Frequency in cm-1
  Calculated   Experimental
Mode Number Symmetry Frequency diff Symmetry Frequency Comment
1 A1 2953 15 A1 2938  
2 A1 2097 12 A1 2085  
3 A1 1362 108 A1 1254  
4 A1 767 -76 A1 843  
5 A1 518 -84 A1 602  
6 A2 121 -36 A2 157  
7 E 3094 97 E 2997  
8 E 1967 -117 E 2084  
9 E 1516 88 E 1428  
10 E 911 11 E 900  
11 E 831 -17 E 848  
12 E 483 -23 E 506  
The calculated vibrational frequencies were scaled by 0.885

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.