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

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

B3PW91/6-31G*

Frequency in cm-1
  Calculated   Experimental
Mode Number Symmetry Frequency diff Symmetry Frequency Comment
1 A 3013 41 A 2972 reassigned as C2 from C2V by CCCBDB
2 A 2981 124 A 2857  
3 A 2957 68 A 2889  
4 A 2910 1401 A 1509  
5 A 2889 1409 A 1480  
6 A 2861 1500 A 1361  
7 A 1511 265 A 1246  
8 A 1481 271 A 1210  
9 A 1467 380 A 1087  
10 A 1388 358 A 1030  
11 A 1338 329 A 1009  
12 A 1298 359 A 939  
13 A 1218 560 A 658  
14 A 1197   A    
15 A 1161 -1837 B 2998  
16 A 1139 -1825 B 2964  
17 A 1111 -1778 B 2889  
18 A 1101 -379 B 1480  
19 A 1048 -349 B 1397  
20 A 960 -367 B 1327  
21 A 933 -353 B 1286  
22 A 921 -237 B 1158  
23 A 870 -91 B 961  
24 A 708 -213 B 921  
25 A 626 -97 B 723  
26 A 258 -422 B 680  
27 A 36   B    
The calculated vibrational frequencies were scaled by 0.9567

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.