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

Compare vibrational frequencies in CCCBDB for COBr2 (Carbonic dibromide)

MP2/LANL2DZ

Frequency in cm-1
  Calculated   Experimental
Mode Number Symmetry Frequency diff Symmetry Frequency Comment
1 A1 1573 -255 A1 1828  
2 A1 351 -74 A1 425  
3 A1 161 -20 A1 181  
4 B1 455 -302 B1 757  
5 B2 631 281 B1 350  
6 B2 309 -203 B2 512  
The calculated vibrational frequencies were scaled by 0.9631

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.