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Compare vibrational frequencies in CCCBDB for SiF4 (Silicon tetrafluoride)

B3LYP/LANL2DZ

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 679 653   -147 A1   800  
2 E 212 204   -64 E   268  
3 T2 922 887   -145 T2   1032  
4 T2 327 314   -75 T2   389  
The calculated vibrational frequencies were scaled by 0.9612

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.