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Compare vibrational frequencies in CCCBDB for H2CS- (thioformaldehyde anion)

LSDA/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 A1 3002 2957           
2 A1 1363 1342           
3 A1 881 868   8 A1   860  
4 B1 360 355   -95 B1   450  
5 B2 3080 3034           
6 B2 910 896           
The calculated vibrational frequencies were scaled by 0.985

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.