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Compare vibrational frequencies in CCCBDB for SiH5+ (Silane, protonated)

MP2/6-31G

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' 4296 4111   417 A'   3694  
2 A' 2354 2252           
3 A' 2270 2172           
4 A' 910 871           
5 A' 858 821           
6 A' 481 460           
7 A' 432 413           
8 A' 294 281           
9 A" 2355 2253           
10 A" 912 873           
11 A" 470 450           
12 A" 18i 17i           
The calculated vibrational frequencies were scaled by 0.9568

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.