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

Compare vibrational frequencies in CCCBDB for SO2Cl2 (Sulfuryl chloride)

HF/3-21G

Frequency in cm-1
  Calculated   Experimental
Mode Number Symmetry Frequency diff Symmetry Frequency Comment
1 A1 799 -406 A1 1205  
2 A1 437 -140 A1 577  
3 A1 286 -122 A1 408  
4 A1 144 -74 A1 218  
5 A2 170 -112 A2 282  
6 B1 446 -140 B1 586  
7 B1 247 -141 B1 388  
8 B2 944 -490 B2 1434  
9 B2 232 -130 B2 362  
The calculated vibrational frequencies were scaled by 0.9056

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.