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

NIST policy on privacy, security, and accessibility.

Please rate our products
© 2013 copyright by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved.

The National Institute of Standards and Technology (NIST) is an agency of the U.S. Department of Commerce.

Please send questions, comments, corrections, additions and suggestions to cccbdb@nist.gov.

return to home page

IV.A.4. (XIV.F.)

Isomer count

Click on formula for a list of experimental and calculated relative enthalpies.
Hill formula Number of isomers 0 K 298.15 K
ClFO 2 view view
ClNO2 2 view view
ClO2 2 view view
ClO2+ 2 view view
F2N2 2 view view
F2S2 2 view view
FNO2 2 view view
N2O3 2 view view
HN2O+ 2 view view
HNO 2 view view
HNO+ 2 view view
H2N2 2 view view
H3NO 2 view view
H3OP 2 view view
B2H4 2 view view
CN2 2 view view
CNO- 2 view view
CHN 2 view view
CHNO 3 view view
CHO+ 2 view view
CHO2 2 view view
CH2F3P 2 view view
CH2N 3 view view
CH2N+ 3 view view
CH2N2 4 view view
CH2O 2 view view
CH2O2 3 view view
CH3BO 3 view view
CH3Cl3Si 2 view view
CH3N2+ 2 view view
CH3NO 5 view view
CH3NO2 3 view view
CH3O 2 view view
CH3O+ 2 view view
CH3O2 2 view view
CH4NO2+ 2 view view
CH4O2 3 view view
CH4O3 4 view view
CH5N2O+ 2 view view
CH6O2 2 view view
C2Cl2F2 3 view view
C2Cl2F4 2 view view
C2H2 2 view view
C2H2Cl2 3 view view
C2H2Cl2F2 3 view view
C2H2F2 3 view view
C2H2F4 2 view view
C2H2O 3 view view
C2H3Cl3 2 view view
C2H3ClO 2 view view
C2H3N 2 view view
C2H3O 2 view view
C2H4 2 view view
C2H4Cl2 2 view view
C2H4ClF 2 view view
C2H4F2 2 view view
C2H4N 2 view view
C2H4N4 3 view view
C2H4O 3 view view
C2H4O2 4 view view
C2H4O3 3 view view
C2H4S 2 view view
C2H5N 4 view view
C2H5NO 3 view view
C2H5O 4 view view
C2H6N2 2 view view
C2H6N2O2 2 view view
C2H6O 2 view view
C2H6S 2 view view
C2H6S2 2 view view
C2H7N 2 view view
C2H8N+ 2 view view
C2H8N2 2 view view
C3H3+ 2 view view
C3H3NO 2 view view
C3H4 3 view view
C3H4N2 4 view view
C3H4O 5 view view
C3H4O2 6 view view
C3H5 2 view view
C3H5Cl 3 view view
C3H5NO 2 view view
C3H6 2 view view
C3H6Cl2 2 view view
C3H6O 5 view view
C3H6O2 4 view view
C3H6S 3 view view
C3H6S3 2 view view
C3H7 2 view view
C3H7Br 2 view view
C3H7Cl 2 view view
C3H7NO 2 view view
C3H7NO2 6 view view
C3H8N2O 3 view view
C3H8O 3 view view
C3H8O2 4 view view
C3H8S 3 view view
C3H9N 3 view view
C4H3ClO 2 view view
C4H4 3 view view
C4H4N2 4 view view
C4H5N 6 view view
C4H5NO 2 view view
C4H6 8 view view
C4H6N+ 2 view view
C4H6O 6 view view
C4H6O2 4 view view
C4H6OS 7 view view
C4H6S 3 view view
C4H7Cl 8 view view
C4H7N 2 view view
C4H7NO 4 view view
C4H8 6 view view
C4H8Cl2 5 view view
C4H8O 7 view view
C4H8O2 5 view view
C4H9 3 view view
C4H9Cl 3 view view
C4H9N 2 view view
C4H9NO 2 view view
C4H10 2 view view
C4H10O 7 view view
C4H10O2 4 view view
C4H10S 5 view view
C4H11N 5 view view
C4H12N2 2 view view
C5H4O2 2 view view
C5H5N 2 view view
C5H5NO 11 view view
C5H6 6 view view
C5H6O 2 view view
C5H6S 2 view view
C5H7 2 view view
C5H7N 5 view view
C5H8 13 view view
C5H8O 4 view view
C5H9N 4 view view
C5H10 7 view view
C5H10O 8 view view
C5H10S 5 view view
C5H11N 2 view view
C5H12 3 view view
C5H12O 9 view view
C5H12S 10 view view
C6H4 3 view view
C6H4Cl2 2 view view
C6H4F2 3 view view
C6H6 6 view view
C6H6O 3 view view
C6H7N 2 view view
C6H8 10 view view
C6H10 17 view view
C6H12 18 view view
C6H12O2 2 view view
C6H13N 2 view view
C6H14 5 view view
C7H7 2 view view
C7H8 2 view view
C7H16 3 view view
C8H6 4 view view
C8H8 3 view view
C8H10 3 view view
C8H18 2 view view
C9H8 2 view view
C10H8 2 view view
C12H8 2 view view
C12H10 2 view view
C14H10 2 view view