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

Compare vibrational frequencies in CCCBDB for SO2Cl2 (Sulfuryl chloride)

BLYP/3-21G*

Frequency in cm-1
  Calculated   Experimental
Mode Number Symmetry Frequency diff Symmetry Frequency Comment
1 A1 1071 -134 A1 1205  
2 A1 483 -94 A1 577  
3 A1 306 -102 A1 408  
4 A1 175 -43 A1 218  
5 A2 224 -58 A2 282  
6 B1 470 -116 B1 586  
7 B1 288 -100 B1 388  
8 B2 1317 -117 B2 1434  
9 B2 303 -59 B2 362  
The calculated vibrational frequencies were scaled by 0.9935

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.