9,10-Anthracenedione

Formula: C₁₄H₈O₂
Molecular weight: 208.2121
IUPAC Standard InChI: InChI=1S/C14H8O2/c15-13-9-5-1-2-6-10(9)14(16)12-8-4-3-7-11(12)13/h1-8H
IUPAC Standard InChIKey: RZVHIXYEVGDQDX-UHFFFAOYSA-N
CAS Registry Number: 84-65-1
Chemical structure:
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Other names: Anthraquinone; Anthradione; Hoelite; Morkit; 9,10-Anthraquinone; Anthracene, 9,10-dihydro-9,10-dioxo-; 9,10-Dioxoanthracene; 9,10-Anthrachinon; Corbit; Anthracene-9,10-quinone; NSC 7957; anthracene-9,10-dione; 9,10-anthracenequinone
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Gas phase thermochemistry data

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Data compiled as indicated in comments:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
GT - Glushko Thermocenter, Russian Academy of Sciences, Moscow

Quantity	Value	Units	Method	Reference	Comment
Δ_fH°_gas	-18.1 ± 0.69	kcal/mol	Ccb	Ribeiro Da Silva, Ribeiro Da Silva, et al., 1989	ALS

Constant pressure heat capacity of gas

C_p,gas (cal/mol*K)	Temperature (K)	Reference	Comment
18.62	100.	Singh S.N., 1969	Comparison with values estimated by difference method [ Dorofeeva O.V., 1997] supposes that selected value of S(298.15 K) can be underestimated by 20 J/molK. Uncertainty of Cp(298.15 K) is evaluated as 10 J/molK.; GT
32.206	200.
47.271	298.15
47.569	300.
62.185	400.
74.833	500.
85.031	600.
92.923	700.
99.809	800.
105.23	900.
109.77	1000.
113.52	1100.
116.63	1200.
119.38	1300.
121.68	1400.
123.37	1500.

Condensed phase thermochemistry data

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

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
Δ_fH°_solid	-45.05 ± 0.67	kcal/mol	Ccb	Ribeiro Da Silva, Ribeiro Da Silva, et al., 1989	ALS
Quantity	Value	Units	Method	Reference	Comment
Δ_cH°_solid	-1544.9 ± 0.50	kcal/mol	Ccb	Ribeiro Da Silva, Ribeiro Da Silva, et al., 1989	Corresponding Δ_fHº_solid = -45.05 kcal/mol (simple calculation by NIST; no Washburn corrections); ALS
Δ_cH°_solid	-1540.278	kcal/mol	Ccb	Magnus, 1956	Corresponding Δ_fHº_solid = -49.698 kcal/mol (simple calculation by NIST; no Washburn corrections); ALS
Δ_cH°_solid	-1546.1	kcal/mol	Ccb	Burriel, 1931	Corresponding Δ_fHº_solid = -43.9 kcal/mol (simple calculation by NIST; no Washburn corrections); ALS
Δ_cH°_solid	-1544.5	kcal/mol	Ccb	Swietoslawski and Starczedska, 1925	Corresponding Δ_fHº_solid = -45.5 kcal/mol (simple calculation by NIST; no Washburn corrections); ALS

Constant pressure heat capacity of solid

C_p,solid (cal/mol*K)	Temperature (K)	Reference	Comment
57.41	298.15	Hildebrand, Duschak, et al., 1917	T = 293 to 593 K. From heat content data.; DH

References

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

Ribeiro Da Silva, Ribeiro Da Silva, et al., 1989
Ribeiro Da Silva, M.A.V.; Ribeiro Da Silva, D.M.C.; Teixeira, J.A.S., Enthalpies of combustion of 1,4-naphthoquinone, 9,10-anthraquinone, 9,10-phenanthraquinone, 1,4,9,10-anthradiquinone, 5,8-dihydroxy-1,4-naphthoquinone, and 1,4-dihydroxy-9,10-anthraquinone, J. Chem. Thermodyn., 1989, 21, 265-274. [all data]

Singh S.N., 1969
Singh S.N., Thermodynamic properties of some condensed ring quinones, Indian J. Pure Appl. Phys., 1969, 7, 52-53. [all data]

Dorofeeva O.V., 1997
Dorofeeva O.V., Unpublished results. Thermocenter of Russian Academy of Science, Moscow, 1997. [all data]

Magnus, 1956
Magnus, A., Die resonanzenergien der parachinone Aui grund der prazisionsmessungsen ihrer verbrennungswarmen durch herrn gerhard wittwer, Z. Phys. Chem. (Neue Folge), 1956, 9, 141-161. [all data]

Burriel, 1931
Burriel, F., 7. Estudio fisico-quimico de algunos compuestos organicos solidos a la temperatura ordinaria, que se proponen como patrones de temperatura, An. R. Soc. Esp. Fis. Quim., 1931, 29, 89-125. [all data]

Swietoslawski and Starczedska, 1925
Swietoslawski, W.; Starczedska, H., Correction des donnees thermochimiques de M.A. Valeur, J. Chem. Phys., 1925, 22, 399-401. [all data]

Hildebrand, Duschak, et al., 1917
Hildebrand, J.H.; Duschak, A.D.; Foster, A.H., and Beebe, C.W. The specific heats and heats of fusion of triphenylmethane, anthraquinone and anthracene, J. Am. Chem. Soc., 1917, 39, 2293-2297. [all data]

Notes

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

Symbols used in this document:

C_p,gas	Constant pressure heat capacity of gas
C_p,solid	Constant pressure heat capacity of solid
Δ_cH°_solid	Enthalpy of combustion of solid at standard conditions
Δ_fH°_gas	Enthalpy of formation of gas at standard conditions
Δ_fH°_solid	Enthalpy of formation of solid at standard conditions

Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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