Cyclopentene, 4-methyl-
- Formula: C6H10
- Molecular weight: 82.1436
- IUPAC Standard InChIKey: FWMRUAODTCVEQK-UHFFFAOYSA-N
- CAS Registry Number: 1759-81-5
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
The 3d structure may be viewed using Java or Javascript. - Other names: 1-Methyl-3-cyclopentene; 4-Methylcyclopentene; 4-Methyl-1-cyclopentene
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Phase change data
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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled as indicated in comments:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.
AC - William E. Acree, Jr., James S. Chickos
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 348.7 | K | N/A | Anonymous, 1951 | Uncertainty assigned by TRC = 1.5 K; TRC |
Tboil | 338.3 | K | N/A | Cook, 1949 | Uncertainty assigned by TRC = 0.5 K; TRC |
Tboil | 348. | K | N/A | Mousseron, 1946 | Uncertainty assigned by TRC = 6. K; TRC |
Tboil | 345.2 | K | N/A | Zelinskii, 1902 | Uncertainty assigned by TRC = 4. K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Tfus | 146.06 | K | N/A | Anonymous, 1951 | Uncertainty assigned by TRC = 0.3 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 32. ± 2. | kJ/mol | V | Labbauf and Rossini, 1961 | Heat of formation derived by Cox and Pilcher, 1970; ALS |
ΔvapH° | 32.7 | kJ/mol | N/A | Labbauf and Rossini, 1961 | DRB |
Enthalpy of vaporization
ΔvapH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
33.2 | 286. | A | Stephenson and Malanowski, 1987 | Based on data from 271. to 403. K. See also Dykyj, 1972.; AC |
References
Go To: Top, Phase change data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Anonymous, 1951
Anonymous, R.,
, Sunbury Rep. No. 4199, Anglo-Iranian Oil Co., 1951. [all data]
Cook, 1949
Cook, N.C.,
Penn. State Univ., 1949. [all data]
Mousseron, 1946
Mousseron, M.,
Bull. Soc. Chim. Fr., 1946, 1946, 218. [all data]
Zelinskii, 1902
Zelinskii, N.D.,
Optically active hydrocarbons in the cyclopentene and cyclohexene series,
Ber. Dtsch. Chem. Ges., 1902, 35, 2488. [all data]
Labbauf and Rossini, 1961
Labbauf, A.; Rossini, F.D.,
Heats of combustion, formation, and hydrogenation of 14 selected cyclomonoolefin hydrocarbons,
J. Phys. Chem., 1961, 65, 476-480. [all data]
Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G.,
Thermochemistry of Organic and Organometallic Compounds, Academic Press, New York, 1970, 1-636. [all data]
Stephenson and Malanowski, 1987
Stephenson, Richard M.; Malanowski, Stanislaw,
Handbook of the Thermodynamics of Organic Compounds, 1987, https://doi.org/10.1007/978-94-009-3173-2
. [all data]
Dykyj, 1972
Dykyj, J.,
Petrochemia, 1972, 12, 1, 13. [all data]
Notes
Go To: Top, Phase change data, References
- Symbols used in this document:
Tboil Boiling point Tfus Fusion (melting) point ΔvapH Enthalpy of vaporization ΔvapH° Enthalpy of vaporization at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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