Standard enthalpy change of formation (data table)

Standard enthalpy change of formation (data table)

These tables include heat of formation data gathered from a variety of sources, including the primary and secondary literature, as well as the NIST Chemistry WebBook. Note that the table for Alkanes contains ΔHfo values in kcal/mol, and the table for Miscellaneous Compounds and Elements contains these values in kJ/mol.

Alkanes

Formula Name SMILES ΔHf (kcal/mol) CAS registry number
H2 Hydrogen [H] [H] 0.0
CH4 Methane C -17.9 000074-82-8
C2H6 Ethane CC -20.0 000074-84-0
C3H8 n-Propane CCC -25.0 000074-98-6
C4H10 n-Butane CCCC -30.0 000106-97-8
C5H12 n-Pentane CCCCC -35.1 000109-66-0
C6H14 n-Hexane CCCCCC -40.0 000110-54-3
C7H16 n-Heptane CCCCCCC -44.9 000142-82-5
C8H18 n-Octane CCCCCCCC -49.8 000111-65-9
C9H20 n-Nonane CCCCCCCCC -54.8 000111-84-2
C10H22 n-Decane CCCCCCCCCC -59.6 000124-18-5
C4H10 2-Methylpropane (Isobutane) CC(C)C -32.1 000075-28-5
C5H12 2,2-Dimethylpropane (Neopentane) CC(C)(C)C -40.1 000463-82-1
C5H12 2-Methylbutane (Isopentane) CCC(C)C -36.9 000078-78-4
C6H14 2,2-Dimethylbutane CCC(C)(C)C -44.5 000075-83-2
C6H14 2-Methylpentane (Isohexane) CCCC(C)C -41.8 000107-83-5
C6H14 3-Methylpentane CCC(C)CC -41.1 000096-14-0
C6H14 2,3-Dimethylbutane CC(C)C(C)C -42.5 000079-29-8
C7H16 2,2,3-Trimethylbutane CC(C)C(C)(C)C -49.0 000464-06-2
C7H16 3-ethylpentane CCC(CC)CC -45.3 000617-78-7
C8H18 2,2,3,3-Tetramethylbutane CC(C)(C)C(C)(C)C -53.9 000594-82-1
C7H16 2-Methylhexane CCCCC(C)C -46.5 000591-76-4
C7H16 3-Methylhexane CCCC(C)CC -45.7 000589-34-4
C7H16 2,2-Dimethylpentane CCCC(C)(C)C -49.2 000590-35-2
C7H16 3,3-Dimethylpentane CCC(C)(C)CC -48.1 000562-49-2
C7H16 2,3-Dimethylpentane CCC(C)C(C)C -47.3 000565-59-3
C7H16 2,4-Dimethylpentane CC(C)CC(C)C -48.2 000108-08-7
C8H18 2-Methylheptane CCCCCC(C)C -51.5 000592-
C8H18 2,2-Dimethylhexane CCCCC(C)(C)C -53.7 000590-73-8
C8H18 2,3-Dimethylhexane CCCC(C)C(C)C -55.1 000584-94-1
C8H18 2,4-Dimethylhexane CCC(C)CC(C)C -52.4 000589-43-5
C8H18 2,5-Dimethylhexane CC(C)CCC(C)C -53.2 000592-13-2
C8H18 3,3-Dimethylhexane CCCC(C)(C)CC -52.6 000563-16-6
C8H18 3,4-Dimethylhexane CCC(C)C(C)CC -50.9 000583-48-2
C8H18 3-Ethyl-2-Methylpentane CCC(CC)C(C)C -50.4 000609-26-7
C8H18 3-Ethyl-3-Methylpentane CCC(C)(CC)CC -51.4 001067-08-9
C8H18 2,2,3-Trimethylpentane CCC(C)C(C)(C)C -52.6 000564-02-3
C8H18 2,2,4-Trimethylpentane (Isooctane) CC(C)CC(C)(C)C -53.5 000540-84-1
C8H18 2,3,3-Trimethylpentane CCC(C)(C)C(C)C -51.7 000560-21-4
C8H18 2,3,4-Trimethylpentane CC(C)C(C)C(C)C -51.9 000565-75-3
C9H20 3,3-Diethylpentane CCC(CC)(CC)CC -55.7 001067-20-5
C9H20 2,2,3,3-Tetramethylpentane CCC(C)(C)C(C)(C)C -56.7 007154-79-2
C9H20 2,2,3,4-Tetramethylpentane CC(C)C(C)C(C)(C)C -56.6 001186-53-4
C9H20 2,2,4,4-Tetramethylpentane CC(C)(C)CC(C)(C)C -57.8 001070-87-7
C9H20 2,3,3,4-Tetramethylpentane CC(C)C(C)(C)C(C)C -56.4 016747-38-9

Miscellaneous Compounds

References

* [http://webbook.nist.gov/chemistry/ NIST Chemistry WebBook]
*Chemistry and Chemical Reactivity- Sixth Edition. John C. Kotz, Paul M. Treichel, and Gabriela C. Weaver. ISBN 0-534-99766-X.
*CRC Handbook of Thermophysical and Thermochemical Data. David R. Lide, Henry V. Kehiaian. ISBN-13: 978-0849301971

External links

* [http://chemistry.about.com/library/weekly/blheatform.htm Chart containing information on some substances not present here.]


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