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

Compare vibrational frequencies in CCCBDB for SO2F2 (Sulfuryl fluoride)

MP2/CEP-121G

Frequency in cm-1
  Calculated   Experimental
Mode Number Symmetry Frequency diff Symmetry Frequency Comment
1 A1 989 -280 A1 1269  
2 A1 566 -282 A1 848  
3 A1 340 -204 A1 544  
4 A1 203 -182 A1 385  
5 A2 211 -177 A2 388  
6 B1 582 -303 B1 885 B1 & B2 switched
7 B1 313 -226 B1 539 B1 & B2 switched
8 B2 1129 -373 B2 1502 B1 & B2 switched
9 B2 325 -228 B2 553 B1 & B2 switched
The calculated vibrational frequencies were scaled by 0.976

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.