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

Compare vibrational frequencies in CCCBDB for Zn(CH3)2 (dimethyl zinc)

AM1

Frequency in cm-1
  Calculated   Experimental
Mode Number Symmetry Frequency diff Symmetry Frequency Comment
1   -2900 A1' 2900  
2   -1157 A1' 1157  
3   -503 A1' 503  
4     A1"   torsion
5   -2915 A2" 2915  
6   -1183 A2" 1183  
7   -613 A2" 613  
8   -2966 E' 2966  
9   -1304 E' 1304  
10   -704 E' 704  
11   -134 E' 134  
12   -2843 E" 2843  
13   -1434 E" 1434  
14   -620 E" 620  
The calculated vibrational frequencies were scaled by 0.9535

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.