1,3-Cyclohexadiene, 1-methyl-
- Formula: C7H10
- Molecular weight: 94.1543
- IUPAC Standard InChIKey: QMFJIJFIHIDENY-UHFFFAOYSA-N
- CAS Registry Number: 1489-56-1
- 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-1,3-cyclohexadiene; 2,3-dihydrotoluene
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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 by: Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 371.2 | K | N/A | Foehr and Fenske, 1949 | Uncertainty assigned by TRC = 1. K |
Reaction thermochemistry 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 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.
Individual Reactions
By formula: C7H10 = C7H10
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 2.5 ± 0.8 | kcal/mol | Kin | Doering, Roth, et al., 1991 | gas phase; At 603 K |
By formula: C7H10 = C7H10
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 0.7 ± 1.1 | kcal/mol | Kin | Doering, Roth, et al., 1991 | gas phase; At 603 K |
Gas phase ion energetics 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 by: Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
View reactions leading to C7H10+ (ion structure unspecified)
Appearance energy determinations
Ion | AE (eV) | Other Products | Method | Reference | Comment |
---|---|---|---|---|---|
C6H7+ | 10.67 | CH3 | EI | Gorfinkel', Isaev, et al., 1969 |
Gas Chromatography
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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 by: NIST Mass Spectrometry Data Center, William E. Wallace, director
Kovats' RI, non-polar column, isothermal
Column type | Active phase | Temperature (C) | I | Reference | Comment |
---|---|---|---|---|---|
Capillary | SE-30 | 80. | 771. | Bredael, 1982 | Column length: 100. m; Column diameter: 0.5 mm |
Normal alkane RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Packed | SE-30 | 791. | Buchman, Cao, et al., 1984 | He, Chromosorb AW; Column length: 3.05 m; Program: not specified |
Capillary | OV-1, SE-30, Methyl silicone, SP-2100, OV-101, DB-1, etc. | 771. | Waggott and Davies, 1984 | Hydrogen; Column length: 50. m; Column diameter: 0.32 mm; Program: not specified |
References
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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Foehr and Fenske, 1949
Foehr, E.G.; Fenske, M.R.,
Magneto-optic Rotation of Hydrocarbons,
Ind. Eng. Chem., 1949, 41, 1956. [all data]
Doering, Roth, et al., 1991
Doering, W.E.; Roth, W.R.; Bauer, F.; Boenke, M.; Breuckmann, R.; Ruhkamp, J.; Wortmann, O.,
Rotationsbarrieren Vinyl-substituierter Olefine,
Chem. Ber., 1991, 124, 1461-1470. [all data]
Gorfinkel', Isaev, et al., 1969
Gorfinkel', M.I.; Isaev, I.S.; Shleider, I.A.; Koptyug, V.A.,
Structure of C6H7+ ions in the mass spectra of cyclohexadienes and their monomethyl derivatives. III. C6H7+ ions from 1-methyl-13C 1,3- and -1,4-cyclohexadienes and 5-methyl-1,3-cyclohexadiene,
Zh. Obahch. Khim., 1969, 39, 1363. [all data]
Bredael, 1982
Bredael, P.,
Retention indices of hydrocarbons on SE-30,
J. Hi. Res. Chromatogr. Chromatogr. Comm., 1982, 5, 6, 325-328, https://doi.org/10.1002/jhrc.1240050610
. [all data]
Buchman, Cao, et al., 1984
Buchman, O.; Cao, G.-Y.; Peng, C.T.,
Structure assignment by retention index in gas-liquid radiochromatography of substituted cyclohexenes,
J. Chromatogr., 1984, 312, 75-90, https://doi.org/10.1016/S0021-9673(01)92765-7
. [all data]
Waggott and Davies, 1984
Waggott, A.; Davies, I.W.,
Identification of organic pollutants using linear temperature programmed retention indices (LTPRIs) - Part II, 1984, retrieved from http://dwi.defra.gov.uk/research/completed-research/reports/dwi0383.pdf. [all data]
Notes
Go To: Top, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, Gas Chromatography, References
- Symbols used in this document:
AE Appearance energy Tboil Boiling point ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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