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Compare vibrational frequencies in CCCBDB for CH3BO (Borane, methyloxo-)

B1B95/6-311G**

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 A1 3076 2953           
2 A1 2063 1980   8 A1   1972  
3 A1 1338 1285   -20 A1   1305  
4 A1 834 801           
5 E 3159 3033           
6 E 1458 1400           
7 E 915 878   -19 E   897  
8 E 366 352           
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.