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Compare vibrational frequencies in CCCBDB for H2POH (Phosphinous acid)

MP2/6-31G(2df,p)

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' 3883 3668           
2 A' 2433 2298           
3 A' 1193 1126           
4 A' 1143 1079           
5 A' 937 885           
6 A' 827 781           
7 A" 2438 2303           
8 A" 938 886           
9 A" 437 413           
The calculated vibrational frequencies were scaled by 0.9445

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.