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

Compare vibrational frequencies in CCCBDB for CBr2F2 (Methane, dibromodifluoro-)

HF/cc-pVDZ

Frequency in cm-1
  Calculated   Experimental
Mode Number Symmetry Frequency diff Symmetry Frequency Comment
1 A 3584 2494 A1 1090  
2 A 3453 2830 A1 623  
3 A 2874 2734 A1 140  
4 A 1812 1644 A1 168  
5 A 1584 1303 A2 281  
6 A 1395 242 B1 1153  
7 A 1242 873 B1 369  
8 A 1071 240 B2 831  
9 A 1043 808 B2 235  
10 A 601        
11 A 560        
12 A 226        
The calculated vibrational frequencies were scaled by 0.908

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.