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Compare vibrational frequencies in CCCBDB for H2S2 (Disulfane)

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 2632 2384   -172 A   2556  
2 A 913 827   -55 A   882  
3 A 462 418   -96 A   515  
4 A 337 305   -112 A   417  
5 B 2632 2384   -175 B   2559  
6 B 898 813   -65 B   878  
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.