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 C3H6O (Oxetane)

B3LYP/CEP-31G*

Frequency in cm-1
  Calculated   Experimental
Mode Number Symmetry Frequency diff Symmetry Frequency Comment
1 A1 2982 23 A1 2959  
2 A1 2933 3 A1 2930  
3 A1 1488 15 A1 1473  
4 A1 1438 -23 A1 1461  
5 A1 1334 -8 A1 1342  
6 A1 1003 -131 A1 1134  
7 A1 892 -126 A1 1018  
8 A1 776 -132 A1 908  
9 A2 2971 -29 A2 3000  
10 A2 1185 -98 A2 1283  
11 A2 1111 -74 A2 1185  
12 A2 798 -188 A2 986  
13 B1 3041 34 B1 3007  
14 B1 2969 29 B1 2940  
15 B1 1137 -88 B1 1225  
16 B1 1097 -45 B1 1142  
17 B1 728 -108 B1 836  
18 B1 85 -4 B1 90  
19 B2 2924 -42 B2 2966  
20 B2 1459 -49 B2 1508  
21 B2 1267 -191 B2 1458  
22 B2 1213 -150 B2 1363  
23 B2 999 -229 B2 1228  
24 B2 909 -27 B2 936  
The calculated vibrational frequencies were scaled by 0.9657

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.