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

Compare vibrational frequencies in CCCBDB for CFCl3 (Trichloromonofluoromethane)

PM3

Frequency in cm-1
  Calculated   Experimental
Mode Number Symmetry Frequency diff Symmetry Frequency Comment
1   -1085 A1 1085  
2   -535 A1 535  
3   -350 A1 350  
4   -847 E 847  
5   -394 E 394  
6   -241 E 241  
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.