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

Compare vibrational frequencies in CCCBDB for CH3COCH3 (Acetone)

HF/6-311+G(3df,2p)

Frequency in cm-1
  Calculated   Experimental
Mode Number Symmetry Frequency diff Symmetry Frequency Comment
1 A1 2976 -43 A1 3019  
2 A1 2879 -58 A1 2937  
3 A1 1802 71 A1 1731  
4 A1 1442 7 A1 1435  
5 A1 1380 16 A1 1364  
6 A1 1069 3 A1 1066  
7 A1 763 -14 A1 777  
8 A1 365 -20 A1 385  
9 A2 2918 -45 A2 2963  
10 A2 1441 15 A2 1426  
11 A2 876 -1 A2 877  
12 A2 39 -38 A2 77  
13 B1 2926 -46 B1 2972  
14 B1 1462 8 B1 1454  
15 B1 1116 25 B1 1091  
16 B1 485 1 B1 484  
17 B1 134 9 B1 125  
18 B2 2974 -45 B2 3019  
19 B2 2871 -66 B2 2937  
20 B2 1434 24 B2 1410  
21 B2 1388 24 B2 1364  
22 B2 1215 -1 B2 1216  
23 B2 879 -12 B2 891  
24 B2 524 -6 B2 530  
The calculated vibrational frequencies were scaled by 0.9086

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.