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

Compare vibrational frequencies in CCCBDB for N2O3 (Dinitrogen trioxide)

LSDA/aug-cc-pVDZ

Frequency in cm-1
  Calculated   Experimental
Mode Number Symmetry Frequency diff Symmetry Frequency Comment
1 A' 1892 60 A' 1832  
2 A' 1760 108 A' 1652  
3 A' 1378 73 A' 1305  
4 A' 793 20 A' 773  
5 A' 658 31 A' 627  
6 A' 302 61 A' 241  
7 A' 213 8 A' 205  
8 A" 446 32 A" 414  
9 A" 141 78 A" 63  
The calculated vibrational frequencies were scaled by 0.9887

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.