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

Compare vibrational frequencies in CCCBDB for N2O3 (Dinitrogen trioxide)

LSDA/cc-pVTZ

Frequency in cm-1
  Calculated   Experimental
Mode Number Symmetry Frequency diff Symmetry Frequency Comment
1 A' 1894 62 A' 1832  
2 A' 1756 104 A' 1652  
3 A' 1373 68 A' 1305  
4 A' 805 32 A' 773  
5 A' 662 35 A' 627  
6 A' 304 63 A' 241  
7 A' 213 8 A' 205  
8 A" 448 34 A" 414  
9 A" 147 84 A" 63  
The calculated vibrational frequencies were scaled by 0.9885

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.