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

Compare vibrational frequencies in CCCBDB for ONONO (Nitrosyl nitrite)

HF/aug-cc-pVTZ

Frequency in cm-1
  Calculated   Experimental
Mode Number Symmetry Frequency diff Symmetry Frequency Comment
1 A1 1877 137 A1 1740  
2 A1 1117 144 A1 974  
3 A1 524 129 A1 395  
4 A1 301        
5 A2 231 21 A2 210  
6 B1 146 6 B1 140  
7 B2 1817 120 B2 1697  
8 B2 854 149 B2 705  
9 B2 689 309 B2 380  
The calculated vibrational frequencies were scaled by 0.9104

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.