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

Compare vibrational frequencies in CCCBDB for N2O3 (Dinitrogen trioxide)

LSDA/cc-pVDZ

Frequency in cm-1
  Calculated   Experimental
Mode Number Symmetry Frequency diff Symmetry Frequency Comment
1 A' 1905 73 A' 1832  
2 A' 1795 143 A' 1652  
3 A' 1390 85 A' 1305  
4 A' 802 29 A' 773  
5 A' 664 37 A' 627  
6 A' 315 74 A' 241  
7 A' 217 12 A' 205  
8 A" 452 38 A" 414  
9 A" 158 95 A" 63  
The calculated vibrational frequencies were scaled by 0.989

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.