National Institute of Standards and Technology
Computational Chemistry Comparison and Benchmark DataBase
Release 18October 2016
NIST Standard Reference Database 101
IIntroduction
IIExperimental data
IIICalculated data
IVData comparisons
VCost comparisons
VIInput and output files
VIITutorials and Units
VIIILinks to other sites
IXFeedback
XOlder CCCBDB versions
XIIGeometries
XIII Vibrations
XIVReaction data
XVEntropy data
XVIBibliographic data
XVIIIon data
XVIIIBad calculations
XIXIndex of properties
XXH-bond dimers
XXIOddities

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

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

BLYP/6-31+G**

Frequency in cm-1
  Calculated   Experimental
Mode Number Symmetry Frequency diff Symmetry Frequency Comment
1 A 3034 62 A 2972 reassigned as C2 from C2V by CCCBDB
2 A 3025 168 A 2857  
3 A 2990 101 A 2889  
4 A 2946 1437 A 1509  
5 A 2911 1431 A 1480  
6 A 2848 1487 A 1361  
7 A 1489 243 A 1246  
8 A 1477 267 A 1210  
9 A 1465 378 A 1087  
10 A 1363 333 A 1030  
11 A 1319 310 A 1009  
12 A 1299 360 A 939  
13 A 1216 558 A 658  
14 A 1179   A    
15 A 1158 -1840 B 2998  
16 A 1131 -1833 B 2964  
17 A 1105 -1784 B 2889  
18 A 1032 -448 B 1480  
19 A 975 -422 B 1397  
20 A 910 -417 B 1327  
21 A 900 -386 B 1286  
22 A 861 -297 B 1158  
23 A 825 -136 B 961  
24 A 696 -225 B 921  
25 A 660 -63 B 723  
26 A 283 -397 B 680  
27 A 44   B    
The calculated vibrational frequencies were scaled by 0.9947

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.