return to home page

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

Compare vibrational frequencies in CCCBDB for CH3COCH3 (Acetone)

BLYP/cc-pVDZ

Frequency in cm-1
  Calculated   Experimental
Mode Number Symmetry Frequency diff Symmetry Frequency Comment
1 A1 3075 56 A1 3019  
2 A1 2958 21 A1 2937  
3 A1 1729 -2 A1 1731  
4 A1 1400 -35 A1 1435  
5 A1 1321 -43 A1 1364  
6 A1 1041 -25 A1 1066  
7 A1 755 -22 A1 777  
8 A1 367 -18 A1 385  
9 A2 3008 45 A2 2963  
10 A2 1398 -28 A2 1426  
11 A2 844 -33 A2 877  
12 A2 29 -48 A2 77  
13 B1 3015 43 B1 2972  
14 B1 1421 -33 B1 1454  
15 B1 1068 -23 B1 1091  
16 B1 474 -10 B1 484  
17 B1 142 17 B1 125  
18 B2 3074 55 B2 3019  
19 B2 2950 13 B2 2937  
20 B2 1390 -20 B2 1410  
21 B2 1323 -41 B2 1364  
22 B2 1184 -32 B2 1216  
23 B2 846 -45 B2 891  
24 B2 514 -16 B2 530  
The calculated vibrational frequencies were scaled by 1.0016

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.