Cyclohexane, 1,3-dimethyl-, trans-
- Formula: C8H16
- Molecular weight: 112.2126
- IUPAC Standard InChIKey: SGVUHPSBDNVHKL-YUMQZZPRSA-N
- CAS Registry Number: 2207-03-6
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
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- Stereoisomers:
- Other names: trans-1,3-Dimethylcyclohexane; 1,trans-3-Dimethylcyclohexane; 1,3-Dimethylcyclohexane, trans; 1,3-Dimethyl(trans)-cyclohexane; Cyclohexane, trans-1,3-dimethyl-; 1,3(trans)-dimethylcyclohexane
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Gas phase thermochemistry data
Go To: Top, Gas phase ion energetics data, Mass spectrum (electron ionization), References, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled by: Glushko Thermocenter, Russian Academy of Sciences, Moscow
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
S°gas | 376.39 | J/mol*K | N/A | Huffman H.M., 1949 |
Constant pressure heat capacity of gas
Cp,gas (J/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
39.47 | 50. | Thermodynamics Research Center, 1997 | p=1 bar. There is an appreciable difference, mainly at high temperatures, with values estimated earlier by a method of increments [ Beckett C.W., 1947]. |
64.59 | 100. | ||
85.04 | 150. | ||
104.3 | 200. | ||
139.6 | 273.15 | ||
153.4 | 298.15 | ||
154.4 | 300. | ||
211.0 | 400. | ||
262.3 | 500. | ||
305.5 | 600. | ||
341.6 | 700. | ||
371.9 | 800. | ||
397.5 | 900. | ||
419.2 | 1000. | ||
437.6 | 1100. | ||
453.3 | 1200. | ||
466.7 | 1300. | ||
478.1 | 1400. | ||
488.0 | 1500. | ||
507.2 | 1750. | ||
520.8 | 2000. | ||
530.7 | 2250. | ||
538.2 | 2500. | ||
543.9 | 2750. | ||
548.3 | 3000. |
Gas phase ion energetics data
Go To: Top, Gas phase thermochemistry data, Mass spectrum (electron ionization), References, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data evaluated as indicated in comments:
L - Sharon G. Lias
Data compiled as indicated in comments:
LL - Sharon G. Lias and Joel F. Liebman
LBLHLM - Sharon G. Lias, John E. Bartmess, Joel F. Liebman, John L. Holmes, Rhoda D. Levin, and W. Gary Mallard
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
IE (evaluated) | 9.53 | eV | N/A | N/A | L |
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
9.52 ± 0.05 | EI | Holmes and Lossing, 1991 | LL |
9.53 | EQ | Sieck and Mautner(Meot-Ner), 1982 | LBLHLM |
9.89 ± 0.05 | EI | Herzschuh and Sicker, 1981 | LLK |
Appearance energy determinations
Ion | AE (eV) | Other Products | Method | Reference | Comment |
---|---|---|---|---|---|
C6H11+ | 11.05 ± 0.05 | C2H5 | EI | Herzschuh and Sicker, 1981 | LLK |
C7H13+ | 10.82 ± 0.05 | CH3 | EI | Herzschuh and Sicker, 1981 | LLK |
Mass spectrum (electron ionization)
Go To: Top, Gas phase thermochemistry data, Gas phase ion energetics data, References, Notes
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
Spectrum
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Additional Data
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Owner | NIST Mass Spectrometry Data Center Collection (C) 2014 copyright by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved. |
---|---|
Origin | NIST Mass Spectrometry Data Center, 1990. |
NIST MS number | 118759 |
References
Go To: Top, Gas phase thermochemistry data, Gas phase ion energetics data, Mass spectrum (electron ionization), Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Huffman H.M., 1949
Huffman H.M.,
Low-temperature thermal data on eight C8H16 alkylcyclohexanes,
J. Am. Chem. Soc., 1949, 71, 584-592. [all data]
Thermodynamics Research Center, 1997
Thermodynamics Research Center,
Selected Values of Properties of Chemical Compounds., Thermodynamics Research Center, Texas A&M University, College Station, Texas, 1997. [all data]
Beckett C.W., 1947
Beckett C.W.,
The thermodynamic properties and molecular structure of cyclohexane, methylcyclohexane, ethylcyclohexane, and seven dimethylcyclohexanes,
J. Am. Chem. Soc., 1947, 69, 2488-2495. [all data]
Holmes and Lossing, 1991
Holmes, J.L.; Lossing, F.P.,
Ionization energies of homologous organic compounds and correlation with molecular size,
Org. Mass Spectrom., 1991, 26, 537. [all data]
Sieck and Mautner(Meot-Ner), 1982
Sieck, L.W.; Mautner(Meot-Ner), M.,
Ionization energies and entropies of cycloalkanes. Kinetics of free energy controlled charge-transfer reactions,
J. Phys. Chem., 1982, 86, 3646. [all data]
Herzschuh and Sicker, 1981
Herzschuh, R.; Sicker, A.,
Stereochemische einflusse auf die ionisations- und auftrittsenergien cis/trans-isomerer dimethylcycloalkane,
Z. Chem., 1981, 21, 409. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Gas phase ion energetics data, Mass spectrum (electron ionization), References
- Symbols used in this document:
AE Appearance energy Cp,gas Constant pressure heat capacity of gas IE (evaluated) Recommended ionization energy S°gas Entropy of gas at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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