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

Compare vibrational frequencies in CCCBDB for C3H6O2 (1,3-Dioxolane)

B3LYP/6-311+G(3df,2p)

Frequency in cm-1
  Calculated   Experimental
Mode Number Symmetry Frequency diff Symmetry Frequency Comment
1 A 3008 36 A 2972 reassigned as C2 from C2V by CCCBDB
2 A 2985 128 A 2857  
3 A 2965 76 A 2889  
4 A 2928 1419 A 1509  
5 A 2892 1412 A 1480  
6 A 2845 1484 A 1361  
7 A 1496 250 A 1246  
8 A 1479 269 A 1210  
9 A 1466 379 A 1087  
10 A 1377 347 A 1030  
11 A 1330 321 A 1009  
12 A 1312 373 A 939  
13 A 1229 571 A 658  
14 A 1195   A    
15 A 1167 -1831 B 2998  
16 A 1145 -1819 B 2964  
17 A 1114 -1775 B 2889  
18 A 1073 -407 B 1480  
19 A 1018 -379 B 1397  
20 A 941 -386 B 1327  
21 A 922 -364 B 1286  
22 A 898 -260 B 1158  
23 A 843 -118 B 961  
24 A 714 -207 B 921  
25 A 656 -67 B 723  
26 A 260 -420 B 680  
27 A 45   B    
The calculated vibrational frequencies were scaled by 0.967

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.