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Compare vibrational frequencies in CCCBDB for CHONH2 (formamide)

MP2/6-31+G**

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' 3826 3599   35 A'   3564  
2 A' 3670 3452   13 A'   3439  
3 A' 3085 2902   48 A'   2854  
4 A' 1796 1689   -65 A'   1754  
5 A' 1654 1556   -21 A'   1577  
6 A' 1442 1357   -33 A'   1390  
7 A' 1295 1218   -40 A'   1258  
8 A' 1067 1004   -42 A'   1046  
9 A' 566 533   -48 A'   581  
10 A" 1043 981   -40 A"   1021  
11 A" 631 594   -9 A"   603  
12 A" 135i 127i   -416 A"   289  
The calculated vibrational frequencies were scaled by 0.9406

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.