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

Compare vibrational frequencies in CCCBDB for N2O5 (Dinitrogen pentoxide)

LSDA/STO-3G

Frequency in cm-1
  Calculated   Experimental
Mode Number Symmetry Frequency diff Symmetry Frequency Comment
1 A 1562 -158 A 1720  
2 A 1189 -149 A 1338  
3 A 789 -74 A 863  
4 A 572        
5 A 485        
6 A 322        
7 A 178        
8 A 58        
9 B 1537 -183 B 1720  
10 B 1108 -138 B 1246  
11 B 697 -47 B 743  
12 B 493 -121 B 614  
13 B 476 -81 B 557  
14 B 314 -39 B 353  
15 B 55 5 B 50  
The calculated vibrational frequencies were scaled by 0.8955

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.