6H-Purin-6-one, 1,7-dihydro-

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Condensed 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
DH - Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
Δfsolid-26.47 ± 0.18kcal/molCcbStiehler and Huffman, 1935Reanalyzed by Cox and Pilcher, 1970, Original value = -27.63 kcal/mol; ALS
Quantity Value Units Method Reference Comment
Δcsolid-580.42 ± 0.17kcal/molCcbStiehler and Huffman, 1935Reanalyzed by Cox and Pilcher, 1970, Original value = -580.20 ± 0.14 kcal/mol; ALS
Quantity Value Units Method Reference Comment
solid,1 bar34.80cal/mol*KN/AStiehler and Huffman, 1935, 2Extrapolation below 90 K, 45.56 J/mol*K.; DH

Constant pressure heat capacity of solid

Cp,solid (cal/mol*K) Temperature (K) Reference Comment
32.151298.5Stiehler and Huffman, 1935, 2T = 85 to 298 K. Value is unsmoothed experimental datum.; DH

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.

Stiehler and Huffman, 1935
Stiehler, R.D.; Huffman, H.M., Thermal data. IV. The heats of combustion of adenine, hypoxanthine, guanine, xanthine, uric acid, allantoin and alloxan, J. Am. Chem. Soc., 1935, 57, 1734-1740. [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]

Stiehler and Huffman, 1935, 2
Stiehler, R.D.; Huffman, H.M., Thermal data. V. The heat capacities, entropies and free energies of adenine, hypoxanthine, guanine, xanthine, uric acid, allantoin and alloxan, J. Am. Chem. Soc., 1935, 57, 1741-1743. [all data]


Notes

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