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Compare vibrational frequencies in CCCBDB for CH2Cl (chloromethyl radical)

CCSD(T)/cc-pVTZ

18 11 26 13 55
Frequency in cm-1
  Calculated   Experimental
Mode Number Symmetry Frequency Scaled
Frequency
Harm.
diff
Fund.
diff
Symmetry Harmonic
Frequency
Fundamental
Frequency
Comment
1 A' 3187 3106           
2 A' 1432 1396           
3 A' 850 828           
4 A' 89 86           
5 A" 3337 3253           
6 A" 1000 975           
The calculated vibrational frequencies were scaled by 0.9748

See section Calculated; Vibrations; Scale Factors; Set scaling factors to change the scale factors used here.
See section Calculated; Vibrations; Scale Factors; Calculate a scale factor to determine the least squares best scaling factor.
See section Calculated; Vibrations; Scale Factors; Scale factor uncertainty for information on where the above scaling factor is from.