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Compare vibrational frequencies in CCCBDB for CHONH2 (formamide)

BLYP/6-311G**

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' 3604 3590   26 A'   3564  
2 A' 3468 3455   15 A'   3439  
3 A' 2813 2802   -51 A'   2854  
4 A' 1743 1736   -18 A'   1754  
5 A' 1572 1566   -11 A'   1577  
6 A' 1377 1372   -18 A'   1390  
7 A' 1219 1214   -44 A'   1258  
8 A' 1015 1011   -35 A'   1046  
9 A' 548 546   -35 A'   581  
10 A" 1001 997   -24 A"   1021  
11 A" 642 639   36 A"   603  
12 A" 194 194   -95 A"   289  
The calculated vibrational frequencies were scaled by 0.9961

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.