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Compare vibrational frequencies in CCCBDB for H2POH (Phosphinous acid)

HF/3-21G

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 3509           
2 A' 2337 2116           
3 A' 1266 1146           
4 A' 1198 1085           
5 A' 974 882           
6 A' 853 772           
7 A" 2318 2099           
8 A" 950 861           
9 A" 428 388           
The calculated vibrational frequencies were scaled by 0.9056

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.