- Formula: C5H8
- Molecular weight: 68.1170
- IUPAC Standard InChI:
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- IUPAC Standard InChIKey: AVPHQXWAMGTQPF-UHFFFAOYSA-N
- CAS Registry Number: 1489-60-7
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
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Phase change data
Go To: Top, Reaction thermochemistry data, Gas phase ion energetics data, UV/Visible spectrum, NIST Free Links, References, Notes
Data compiled by: Thermodynamics Research Center, NIST Boulder Laboratories, Kenneth Kroenlein director
|Tboil||310.5||K||N/A||Shabtai and Gil-Av, 1963||Uncertainty assigned by TRC = 0.6 K|
Reaction thermochemistry data
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Data compiled by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.
By formula: H2 + C5H8 = C5H10
|rH°||-119.2 ± 0.04||kJ/mol||Chyd||Turner, Goebel, et al., 1968||liquid phase; solvent: Acetic acid|
Gas phase ion energetics data
Go To: Top, Phase change data, Reaction thermochemistry data, UV/Visible spectrum, NIST Free Links, References, Notes
Data evaluated by: Edward P. Hunter and Sharon G. Lias
View reactions leading to C5H8+ (ion structure unspecified)
|Proton affinity (review)||841.5||kJ/mol||N/A||Hunter and Lias, 1998|
|Gas basicity||807.3||kJ/mol||N/A||Hunter and Lias, 1998|
Go To: Top, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, NIST Free Links, References, Notes
Data compiled by: Victor Talrose, Alexander N. Yermakov, Alexy A. Usov, Antonina A. Goncharova, Axlexander N. Leskin, Natalia A. Messineva, Natalia V. Trusova, Margarita V. Efimkina
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View image of digitized spectrum (can be printed in landscape orientation).
Download spectrum in JCAMP-DX format.
|Source||Loeffler and Pickett, 1958|
|Owner||INEP CP RAS, NIST OSRD|
Collection (C) 2007 copyright by the U.S. Secretary of Commerce
on behalf of the United States of America. All rights reserved.
|Origin||INSTITUTE OF ENERGY PROBLEMS OF CHEMICAL PHYSICS, RAS|
|Source reference||RAS UV No. 12965|
|Boiling point||37.1/ 750 mm|
Go To: Top, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, UV/Visible spectrum, NIST Free Links, Notes
Shabtai and Gil-Av, 1963
Shabtai, J.; Gil-Av, E., Convenient Method for the Preparation of 1-Methylcyclobutene, J. Org. Chem., 1963, 28, 2893-4. [all data]
Turner, Goebel, et al., 1968
Turner, R.B.; Goebel, P.; Mallon, B.J.; Doering, W.E.; Coburn, J.F., Jr.; Pomerantz, M., Heats of hydrogenation. VIII. Compounds with three- and four-membered rings, J. Am. Chem. Soc., 1968, 90, 4315-4322. [all data]
Hunter and Lias, 1998
Hunter, E.P.; Lias, S.G., Evaluated Gas Phase Basicities and Proton Affinities of Molecules: An Update, J. Phys. Chem. Ref. Data, 1998, 27, 3, 413-656, https://doi.org/10.1063/1.556018 . [all data]
Loeffler and Pickett, 1958
Loeffler, B.; Pickett, L., J. Chem. Phys., 1958, 28, 345. [all data]
Go To: Top, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, UV/Visible spectrum, NIST Free Links, References
- Symbols used in this document:
Tboil Boiling point rH° Enthalpy of reaction at standard conditions
- Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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