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Xanthone

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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
Deltafgas-98.2 ± 3.6kJ/molCcbSabbah and El Watik, 1988Hfusion=26.12±0.24 kJ/mol; ALS
Deltafgas-92.9kJ/molN/AKim, Winans, et al., 1978Value computed using «DELTA»fHsolid° value of -191.5±2.7 kj/mol from Kim, Winans, et al., 1978 and «DELTA»subH° value of 98.6 kj/mol from Kim, Winans, et al., 1978.; DRB

Condensed phase thermochemistry data

Go To: Top, Gas 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 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
Deltafsolid-196.8 ± 3.6kJ/molCcbSabbah and El Watik, 1988Hfusion=26.12±0.24 kJ/mol; ALS
Deltafsolid-191.5 ± 2.7kJ/molCcbKim, Winans, et al., 1978ALS
Quantity Value Units Method Reference Comment
Deltacsolid-6062.2 ± 3.6kJ/molCcbSabbah and El Watik, 1988Hfusion=26.12±0.24 kJ/mol; Corresponding «DELTA»fsolid = -196.8 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS
Deltacsolid-6067. ± 2.kJ/molCcbKim, Winans, et al., 1978Corresponding «DELTA»fsolid = -191.5 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS

Constant pressure heat capacity of solid

Cp,solid (J/mol*K) Temperature (K) Reference Comment
226.298.15Sabbah and El Watik, 1988DH

References

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

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Sabbah and El Watik, 1988
Sabbah, R.; El Watik, L., Thermodynamic study of two simple molecules encountered as products of the pyrolysis of coal: chromone and xanthone, Bull. Soc. Chim. France, 1988, 626-630. [all data]

Kim, Winans, et al., 1978
Kim, K.Y.; Winans, R.E.; Hubbard, W.N.; Johnson, C.E., Thermochemistry of coal components. 1. Xanthone, J. Phys. Chem., 1978, 82, 402-405. [all data]


Notes

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