1,3-Cycloheptadiene

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Gas phase 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: Glushko Thermocenter, Russian Academy of Sciences, Moscow

Constant pressure heat capacity of gas

Cp,gas (J/mol*K) Temperature (K) Reference Comment
37.1050.Dorofeeva O.V., 1986Recommended 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.
52.52100.
65.91150.
80.88200.
107.70273.15
117.7 ± 7.0298.15
118.42300.
158.03400.
192.99500.
222.11600.
246.26700.
266.50800.
283.61900.
298.181000.
310.641100.
321.321200.
330.511300.
338.441400.
345.311500.

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 as indicated in comments:
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron

View reactions leading to C7H10+ (ion structure unspecified)

Ionization energy determinations

IE (eV) Method Reference Comment
8.40EILifshitz and Bauer, 1963RDSH
8.31 ± 0.03PEHeilbronner, Hoshi, et al., 1976Vertical value; LLK
8.31PEBischof and Heilbronner, 1970Vertical value; RDSH

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
C5H6+10.70?EILifshitz and Bauer, 1963RDSH
C6H7+10.1CH3EIHarrison, Haynes, et al., 1965RDSH
C7H7+13.37H2+HEILifshitz and Bauer, 1963RDSH
C7H8+10.8H2EILifshitz and Bauer, 1963RDSH
C7H9+11.30HEIHarrison, Haynes, et al., 1965RDSH
C7H9+11.30HEILifshitz and Bauer, 1963RDSH

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.

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

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

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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]

Lifshitz and Bauer, 1963
Lifshitz, C.; Bauer, S.H., Mass spectra of valence tautomers, J. Phys. Chem., 1963, 67, 1629. [all data]

Heilbronner, Hoshi, et al., 1976
Heilbronner, E.; Hoshi, T.; von Rosenberg, J.L.; Hafner, K., Alkyl-induced, natural hypsochromic shifts of the 2A←2X and 2B←2X transitions of azulene and naphthalene radical cations, Nouv. J. Chim., 1976, 1, 105. [all data]

Bischof and Heilbronner, 1970
Bischof, P.; Heilbronner, E., Photoelektron-Spektren von Cycloalkenen und Cycloalkadienen, Helv. Chim. Acta, 1970, 53, 1677. [all data]

Harrison, Haynes, et al., 1965
Harrison, A.G.; Haynes, P.; McLean, S.; Meyer, F., The mass spectra of methyl-substituted cyclopentadienes, J. Am. Chem. Soc., 1965, 87, 5099. [all data]

Pesch and Friess, 1950
Pesch, E.; Friess, S.L., J. Am. Chem. Soc., 1950, 72, 5756. [all data]


Notes

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