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

Compare vibrational frequencies in CCCBDB for ONONO (Nitrosyl nitrite)

HF/aug-cc-pVDZ

Frequency in cm-1
  Calculated   Experimental
Mode Number Symmetry Frequency diff Symmetry Frequency Comment
1 A1 1888 148 A1 1740  
2 A1 1119 145 A1 974  
3 A1 528 133 A1 395  
4 A1 303        
5 A2 234 24 A2 210  
6 B1 148 8 B1 140  
7 B2 1827 130 B2 1697  
8 B2 852 147 B2 705  
9 B2 693 313 B2 380  
The calculated vibrational frequencies were scaled by 0.9106

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.