1,3-Cycloheptadiene
- Formula: C7H10
- Molecular weight: 94.1543
- IUPAC Standard InChIKey: GWYPDXLJACEENP-UHFFFAOYSA-N
- CAS Registry Number: 4054-38-0
- 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: Cyclohepta-1,3-diene
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Gas phase thermochemistry data
Go To: Top, Phase change data, Reaction thermochemistry data, Mass spectrum (electron ionization), UV/Visible spectrum, 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
Constant pressure heat capacity of gas
Cp,gas (J/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
37.10 | 50. | Dorofeeva O.V., 1986 | Recommended values of S(T) and Cp(T) agree with those calculated by molecular mechanics method [ Lenz T.G., 1989] within 2-3 J/mol*K. |
52.52 | 100. | ||
65.91 | 150. | ||
80.88 | 200. | ||
107.70 | 273.15 | ||
117.7 ± 7.0 | 298.15 | ||
118.42 | 300. | ||
158.03 | 400. | ||
192.99 | 500. | ||
222.11 | 600. | ||
246.26 | 700. | ||
266.50 | 800. | ||
283.61 | 900. | ||
298.18 | 1000. | ||
310.64 | 1100. | ||
321.32 | 1200. | ||
330.51 | 1300. | ||
338.44 | 1400. | ||
345.31 | 1500. |
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: Robert L. Brown and Stephen E. Stein
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 393.7 | K | N/A | Weast and Grasselli, 1989 |
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: 2H2 + C7H10 = C7H14
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -208.9 ± 0.3 | kJ/mol | Chyd | Turner, Mallon, et al., 1973 | liquid phase; solvent: Glacial acetic acid |
ΔrH° | -212.4 ± 0.63 | kJ/mol | Chyd | Conn, Kistiakowsky, et al., 1939 | gas phase; Reanalyzed by Cox and Pilcher, 1970, Original value = -214.5 ± 0.2 kJ/mol; At 355 K |
Mass spectrum (electron ionization)
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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
Spectrum
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Additional Data
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Due to licensing restrictions, this spectrum cannot be downloaded.
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 | Chemical Concepts |
NIST MS number | 164684 |
UV/Visible spectrum
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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Spectrum
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Additional Data
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Source | Pesch and Friess, 1950 |
---|---|
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. 9745 |
Instrument | Beckman DU |
Melting point | - 110.4 |
Boiling point | 120.5 |
References
Go To: Top, Gas phase thermochemistry data, Phase change data, Reaction thermochemistry data, Mass spectrum (electron ionization), UV/Visible spectrum, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Dorofeeva O.V., 1986
Dorofeeva O.V.,
Thermodynamic properties of twenty-one monocyclic hydrocarbons,
J. Phys. Chem. Ref. Data, 1986, 15, 437-464. [all data]
Lenz T.G., 1989
Lenz T.G.,
Force-field calculations giving accurate conformation, Hf(T), S(T), and Cp(T) for unsaturated acyclic and cyclic hydrocarbons,
J. Phys. Chem., 1989, 93, 1588-1592. [all data]
Weast and Grasselli, 1989
CRC Handbook of Data on Organic Compounds, 2nd Editon, Weast,R.C and Grasselli, J.G., ed(s)., CRC Press, Inc., Boca Raton, FL, 1989, 1. [all data]
Turner, Mallon, et al., 1973
Turner, R.B.; Mallon, B.J.; Tichy, M.; Doering, W.v.E.; Roth, W.R.; Schroder, G.,
Heats of hydrogenation. X. Conjugative interaction in cyclic dienes and trienes,
J. Am. Chem. Soc., 1973, 95, 8605-8610. [all data]
Conn, Kistiakowsky, et al., 1939
Conn, J.B.; Kistiakowsky, G.B.; Smith, E.A.,
Heats of organic reactions. VIII. Some further hydrogenations, including those of some acetylenes,
J. Am. Chem. Soc., 1939, 61, 1868-1876. [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]
Pesch and Friess, 1950
Pesch, E.; Friess, S.L.,
J. Am. Chem. Soc., 1950, 72, 5756. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Phase change data, Reaction thermochemistry data, Mass spectrum (electron ionization), UV/Visible spectrum, References
- Symbols used in this document:
Cp,gas Constant pressure heat capacity of gas Tboil Boiling point ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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