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

Compare vibrational frequencies in CCCBDB for C3H3 (Propargyl radical)

HF/CEP-31G*

Frequency in cm-1
  Calculated   Experimental
Mode Number Symmetry Frequency diff Symmetry Frequency Comment
1 A1 3250 -72 A1 3322  
2 A1 2993        
3 A1 1710        
4 A1 1406        
5 A1 975        
6 B1 566 -121 B1 687  
7 B1 372 -118 B1 490  
8 B1 303        
9 B2 3085        
10 B2 969        
11 B2 565        
12 B2 260        
The calculated vibrational frequencies were scaled by 0.898

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.