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Compare vibrational frequencies in CCCBDB for CH2OH (Hydroxymethyl radical)

B3PW91/6-31+G**

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 3875 3721   71 A   3650  
2 A 3301 3169           
3 A 3152 3026           
4 A 1489 1430   -29 A   1459  
5 A 1349 1295   -39 A   1334  
6 A 1225 1177   1 A   1176  
7 A 1053 1011   -37 A   1048  
8 A 581 558   76 A   482  
9 A 421 405   171 A   234  
The calculated vibrational frequencies were scaled by 0.9601

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.