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

Compare vibrational frequencies in CCCBDB for H2POH (Phosphinous acid)

MP2=FULL/aug-cc-pVTZ

Frequency in cm-1
  Calculated   Experimental
Mode Number Symmetry Frequency diff Symmetry Frequency Comment
1 A' 3759 116 A' 3644  
2 A' 2379 74 A' 2305  
3 A' 1152 28 A' 1124  
4 A' 1108 33 A' 1075  
5 A' 890 -25 A' 915  
6 A' 782 -15 A' 797  
7 A" 2380 102 A" 2278  
8 A" 929 81 A" 848  
9 A" 270 -105 A" 375  
The calculated vibrational frequencies were scaled by 0.9668

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.