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 C5H8 (1,3-Pentadiene, (E)-)

LSDA/cc-pVDZ

Frequency in cm-1
  Calculated   Experimental
Mode Number Symmetry Frequency diff Symmetry Frequency Comment
1 A 3149 59 A' 3090  
2 A 3044 29 A' 3015  
3 A 3036 21 A' 3015  
4 A 3033 18 A' 3015  
5 A 3022 7 A' 3015  
6 A 3017 77 A' 2940  
7 A 2922 3 A' 2919  
8 A 1694 33 A' 1661  
9 A 1637 27 A' 1610  
10 A 1372 -61 A' 1433  
11 A 1348 -74 A' 1422  
12 A 1307 -78 A' 1385  
13 A 1242 -74 A' 1316  
14 A 1240 -59 A' 1299  
15 A 1191 -89 A' 1280  
16 A 1165 -1 A' 1166  
17 A 1096 59 A' 1037  
18 A 934 -51 A' 985  
19 A 865 3 A' 862  
20 A 472 -11 A' 483  
21 A 427 9 A' 418  
22 A 183 -29 A' 212  
23 A 2986 15 A" 2971  
24 A 1353 -100 A" 1453  
25 A 991 -26 A" 1017  
26 A 984 -18 A" 1002  
27 A 923 11 A" 912  
28 A 860 -39 A" 899  
29 A 808 -12 A" 820  
30 A 624 9 A" 615  
31 A 262        
32 A 216        
33 A 140 11 A" 129 reassigned from nu32
The calculated vibrational frequencies were scaled by 0.989

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.