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

Compare vibrational frequencies in CCCBDB for SO2Cl2 (Sulfuryl chloride)

PM3

Frequency in cm-1
  Calculated   Experimental
Mode Number Symmetry Frequency diff Symmetry Frequency Comment
1   -1205 A1 1205  
2   -577 A1 577  
3   -408 A1 408  
4   -218 A1 218  
5   -282 A2 282  
6   -586 B1 586  
7   -388 B1 388  
8   -1434 B2 1434  
9   -362 B2 362  
The calculated vibrational frequencies were scaled by 0.974

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.