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Compare vibrational frequencies in CCCBDB for N2H4 (Hydrazine)

HF/LANL2DZ

18 11 26 13 55
Frequency in cm-1
  Calculated   Experimental
Mode Number Symmetry Frequency Scaled
Frequency
Harm.
diff
Fund.
diff
Symmetry Harmonic
Frequency
Fundamental
Frequency
Comment
1 A 3931 3538   140 A   3398  
2 A 3785 3406   77 A   3329  
3 A 1862 1675   33 A   1642  
4 A 1383 1244   -31 A   1275  
5 A 1241 1117   41 A   1076  
6 A 673 606   -174 A   780  
7 A 607 546   170 A   377  
8 B 3933 3540   190 B   3350  
9 B 3782 3403   89 B   3314  
10 B 1844 1660   32 B   1628  
11 B 1371 1234   -41 B   1275  
12 B 736 662   -304 B   966  
The calculated vibrational frequencies were scaled by 0.8999

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.