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Compare vibrational frequencies in CCCBDB for N2O3 (Dinitrogen trioxide)

PBEPBE/6-311G*

17 05 22 16 49
Frequency in cm-1
  Calculated   Experimental
Mode Number Symmetry Frequency diff Symmetry Frequency Comment
1 A' 1861 29 A' 1832  
2 A' 1666 14 A' 1652  
3 A' 1321 16 A' 1305  
4 A' 785 12 A' 773  
5 A' 606 -21 A' 627  
6 A' 267 26 A' 241  
7 A' 188 -17 A' 205  
8 A" 414 0 A" 414  
9 A" 141 78 A" 63  
The calculated vibrational frequencies were scaled by 0.9896

See section Calculated; Vibrations; Scale Factors; Set scaling factors to change the scale factors used here.
See section Calculated; Vibrations; Scale Factors; Calculate a scale factor to determine the least squares best scaling factor.
See section Calculated; Vibrations; Scale Factors; Scale factor uncertainty for information on where the above scaling factor is from.