Benzene, cyclohexyl-

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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 as indicated in comments:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.

Quantity Value Units Method Reference Comment
Δfgas-3.98 ± 0.35kcal/molCcbMontgomery, Rossini, et al., 1978Reanalyzed by Pedley, Naylor, et al., 1986, Original value = -4.6 ± 1.4 kcal/mol; ALS
Δfgas-3.39kcal/molN/AGood and Lee, 1976Value computed using ΔfHliquid° value of -76.6±1.1 kj/mol from Good and Lee, 1976 and ΔvapH° value of 62.4 kj/mol from Montgomery, Rossini, et al., 1978.; DRB

Condensed phase thermochemistry 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 compiled as indicated in comments:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DH - Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
Δfliquid-18.9 ± 1.3kcal/molCcbMontgomery, Rossini, et al., 1978ALS
Δfliquid-18.30 ± 0.26kcal/molCcbGood and Lee, 1976ALS
Quantity Value Units Method Reference Comment
Δcliquid-1656.2 ± 1.3kcal/molCcbMontgomery, Rossini, et al., 1978Corresponding Δfliquid = -18.92 kcal/mol (simple calculation by NIST; no Washburn corrections); ALS
Δcliquid-1656.84 ± 0.22kcal/molCcbGood and Lee, 1976Corresponding Δfliquid = -18.29 kcal/mol (simple calculation by NIST; no Washburn corrections); ALS

Constant pressure heat capacity of liquid

Cp,liquid (cal/mol*K) Temperature (K) Reference Comment
62.91198.15O'Rourke and Mraw, 1983T = 220 to 475 K. Cp(c) = 0.8803 (T/K) - 29.2 (220 to 280.5 K); Cp(liq) = 0.6130 (T/K) + 80.4 (280.5 to 475 K) J/mol*K.; DH

Mass spectrum (electron ionization)

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry 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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Collection (C) 2014 copyright by the U.S. Secretary of Commerce
on behalf of the United States of America. All rights reserved.
Origin Japan AIST/NIMC Database- Spectrum MS-NW-3826
NIST MS number 228262

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References

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry 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.

Montgomery, Rossini, et al., 1978
Montgomery, R.L.; Rossini, F.D.; Mansson, M., Enthalpies of combustion, vaporization, and formation of phenylbenzene, cyclohexylbenzene, and cyclohexylcyclohexane; enthalpy of hydrogenation of certain aromatic systems, J. Chem. Eng. Data, 1978, 23, 125-129. [all data]

Pedley, Naylor, et al., 1986
Pedley, J.B.; Naylor, R.D.; Kirby, S.P., Thermochemical Data of Organic Compounds, Chapman and Hall, New York, 1986, 1-792. [all data]

Good and Lee, 1976
Good, W.D.; Lee, S.H., The enthalpies of formation of selected naphthalenes, diphenylmethanes, and bicyclic hydrocarbons, J. Chem. Thermodyn., 1976, 8, 643-650. [all data]

O'Rourke and Mraw, 1983
O'Rourke, D.F.; Mraw, S.C., Heat capacities and enthalpies of fusion of dibenzothiophene (220 to 560 K) and of biphenyl, cyclohexylbenzene, and cyclohexylcyclohexane (220 to 475 K). Enthalpies and temperatures of three transitions in solid cyclohexylcyclohexane, J. Chem. Thermodynam., 1983, 15, 489-502. [all data]


Notes

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Mass spectrum (electron ionization), References