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Compare vibrational frequencies in CCCBDB for CaOH (Calcium monohydroxide)

QCISD/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 Σ 4052 3866   19 Σ   3847  
2 Σ 651 621   12 Σ   609  
3 Π 372 355   2 Π   353  
The calculated vibrational frequencies were scaled by 0.9541

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.