National Institute of Standards and Technology
Computational Chemistry Comparison and Benchmark DataBase
Release 17bSeptember 2015
NIST Standard Reference Database 101
IIExperimental data
IIICalculated data
IVData comparisons
VCost comparisons
VIInput and output files
VIITutorials and Units
VIIILinks to other sites
XOlder CCCBDB versions
XIII Vibrations
XIVReaction data
XVEntropy data
XVIBibliographic data
XVIIIon data
XVIIIBad calculations
XIXIndex of properties
XXH-bond dimers

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

Compare vibrational frequencies in CCCBDB for C2H4S (Thiirane)


Frequency in cm-1
  Calculated   Experimental
Mode Number Symmetry Frequency diff Symmetry Frequency Comment
1   -3014 A1 3014  
2   -1457 A1 1457  
3   -1110 A1 1110  
4   -1024 A1 1024  
5   -627 A1 627  
6   -3088 A2 3088  
7   -1175 A2 1175  
8   -895 A2 895  
9   -3088 B1 3088  
10   -945 B1 945  
11   -824 B1 824  
12   -3013 B2 3013  
13   -1436 B2 1436  
14   -1051 B2 1051  
15   -660 B2 660  
The calculated vibrational frequencies were scaled by 0.936

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.