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

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

MP2/aug-cc-pVDZ

Frequency in cm-1
  Calculated   Experimental
Mode Number Symmetry Frequency diff Symmetry Frequency Comment
1 A 3054 82 A 2972 reassigned as C2 from C2V by CCCBDB
2 A 3044 187 A 2857  
3 A 3020 131 A 2889  
4 A 2961 1452 A 1509  
5 A 2929 1449 A 1480  
6 A 2894 1533 A 1361  
7 A 1474 228 A 1246  
8 A 1458 248 A 1210  
9 A 1439 352 A 1087  
10 A 1347 317 A 1030  
11 A 1311 302 A 1009  
12 A 1279 340 A 939  
13 A 1214 556 A 658  
14 A 1179   A    
15 A 1144 -1854 B 2998  
16 A 1127 -1837 B 2964  
17 A 1095 -1794 B 2889  
18 A 1058 -422 B 1480  
19 A 1007 -390 B 1397  
20 A 942 -385 B 1327  
21 A 922 -364 B 1286  
22 A 891 -267 B 1158  
23 A 834 -127 B 961  
24 A 690 -231 B 921  
25 A 630 -93 B 723  
26 A 285 -395 B 680  
27 A 65   B    
The calculated vibrational frequencies were scaled by 0.959

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.