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Compare vibrational frequencies in CCCBDB for H2POH (Phosphinous acid)

PBEPBE/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 A' 3663 3625           
2 A' 2195 2172           
3 A' 1135 1124           
4 A' 1099 1087           
5 A' 884 875           
6 A' 761 753           
7 A" 2202 2179           
8 A" 870 861           
9 A" 441 437           
The calculated vibrational frequencies were scaled by 0.9896

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.