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IV.C.1. (XIII.D.1.)

Compare vibrational frequencies in CCCBDB for H2POH (Phosphinous acid)

QCISD/6-31G**

Frequency in cm-1
  Calculated   Experimental
Mode Number Symmetry Frequency diff Symmetry Frequency Comment
1 A' 3704 60 A' 3644  
2 A' 2320 15 A' 2305  
3 A' 1121 -3 A' 1124  
4 A' 1119 44 A' 1075  
5 A' 889 -26 A' 915  
6 A' 760 -37 A' 797  
7 A" 2320 42 A" 2278  
8 A" 888 40 A" 848  
9 A" 252 -124 A" 375  
The calculated vibrational frequencies were scaled by 0.9414

See section XIII.C.3 List or set vibrational scaling factors to change the scale factors used here.
See section III.B.3.c Calculate a vibrational scaling factor for a set of molecules to determine the least squares best scaling factor.
See section III.B.3.b List of vibrational scaling factors and their uncertainties for information on where the above scaling factor is from.