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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 by: E.S. Domalski and E.D. Hearing

QuantityValueUnitsMethodReferenceComment
solid,1 bar0.0720J/mol*KN/ADesnoyers and Morrison, 1958Agreement with DeSorbo (1953) data above 100 K.
solid,1 bar2.3782J/mol*KN/ADeSorbo, 1953 
solid,1 bar2.448J/mol*KN/APitzer, 1938Extrapolation below 70.8 K, 0.0322 J/mol*K.

Constant pressure heat capacity of solid

Cp,solid (J/mol*K)Temperature (K)ReferenceComment
6.57300.Volga, Buchnev, et al., 1976T = 300 to 1200 K. Natural diamond; Cp calculated by extrapolation of value at 350 K.
6.61300.Volga, Buchnev, et al., 1976T = 75 to 1200 K. SAM synthetic diamond.
6.37300.Volga, Buchnev, et al., 1976T = 75 to 1200 K. Ballas synthetic diamond.
6.117298.15Victor, 1962T = 273 to 1073 K.
5.3078277.68Desnoyers and Morrison, 1958T = 13 to 277 K. Value is unsmoothed experimental datum.
6.1149298.16DeSorbo, 1953T = 25 to 300 K.
5.669287.96Pitzer, 1938T = 70 to 288 K. Value is unsmoothed experimental datum.
6.081295.Robertson, Fox, et al., 1936T = 90 to 320 K. Type 1, homogeneous; Cp = 5.930 J/mol*K for Type 2, mosaic structure.

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.

Desnoyers and Morrison, 1958
Desnoyers, J.E.; Morrison, J.A., The heat capacity of diamond between 12.8° and 277°K, Phil. Mag. [8]3, 1958, 42-48. [all data]

DeSorbo, 1953
DeSorbo, W., Specific heat of diamond at low temperatures, J. Chem. Phys., 1953, 21, 876-880. [all data]

Pitzer, 1938
Pitzer, K.S., The heat capacity of diamond from 70 to 300 K, J. Chem. Phys., 1938, 6, 68-70. [all data]

Volga, Buchnev, et al., 1976
Volga, V.I.; Buchnev, L.M.; Markelov, N.V.; Dymov, B.K., Enthalpy and heat capacity of diamonds over a wide range of temperatures, Sint. Almazy, 1976, (3), 9-11. [all data]

Victor, 1962
Victor, A.C., Heat capacity of diamond at high temperatures, J. Chem. Phys., 1962, 36, 1903-1911. [all data]

Robertson, Fox, et al., 1936
Robertson, R.; Fox, J.J.; Martin, A.E., Further work on two types of diamond, Proc. Royal Soc. (London), 1936, 157A, 579-593. [all data]


Notes

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