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Compare vibrational frequencies in CCCBDB for SiH3Cl (chlorosilane)

MP4/3-21G

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 A1 2193 2127   -74 A1   2201  
2 A1 928 900   -49 A1   949  
3 A1 450 437   -114 A1   551  
4 E 2215 2148   -47 E   2195  
5 E 929 901   -53 E   954  
6 E 632 613   -51 E   664  
The calculated vibrational frequencies were scaled by 0.9698

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.