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Compare vibrational frequencies in CCCBDB for Li2O (dilithium oxide)

CCD/6-31+G**

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 Σg 781 735   -44 Σg   779  
2 Σu 1034 975   11 Σu   964  
3 Πu 89 84   -28 Πu   112  
The calculated vibrational frequencies were scaled by 0.9423

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.