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Phase change 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: William E. Acree, Jr., James S. Chickos

Quantity Value Units Method Reference Comment
Δsub129.1 ± 0.8kJ/molN/ARibeiro da Silva, 1995 
Δsub122.8 ± 6.5kJ/molCRibeiro Da Silva, Ribeiro Da Silva, et al., 1984 

Enthalpy of vaporization

ΔvapH (kJ/mol) Temperature (K) Reference
77.8 ± 0.8468. to 519.Igumenov, Chumachenko, et al., 1979

Enthalpy of sublimation

ΔsubH (kJ/mol) Temperature (K) Method Reference Comment
127.6 ± 0.4361.TEColominas, Lau, et al., 2001 
127.2 ± 1.7351.TEColominas, Lau, et al., 2001 
120.433. to 463.TGAFahlman and Barron, 2000 
100.404.TRappoli and DeSisto, 1996Based on data from 392. to 415. K.
74.8400. to 430.TGA,DTAYuan and Meng, 1996 
124.5 ± 0.8372.MERibeiro da Silva, 1995 
124.6407.N/ATobaly and Lanchec, 1993Based on data from 362. to 452. K.
123.6445.N/AWaffenschmidt, Musolf, et al., 1992Based on data from 418. to 473. K.


Go To: Top, Phase change data, Notes

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

Ribeiro da Silva, 1995
Ribeiro da Silva, M., Vapour pressures and standard molar enthalpies of sublimation of seven crystalline copper(II) β-diketonates. The mean molar (Cu-O) bond-dissociation enthalpies, The Journal of Chemical Thermodynamics, 1995, 27, 2, 175-190, . [all data]

Ribeiro Da Silva, Ribeiro Da Silva, et al., 1984
Ribeiro Da Silva, Manuel A.V.; Ribeiro Da Silva, Maria D.M.C.; Carvalho, Ana P.S.M.C.; Akello, Margaret J.; Pilcher, Geofrey, Standard enthalpies of formation of bis(pentane-2,4-dionato)Cu(II) and of four bis(methyl-substituted heptane-3,5-dionato)Cu(II) complexes: the mean (Cu«58872»O) bond-dissociation enthalpies, The Journal of Chemical Thermodynamics, 1984, 16, 2, 137-144, . [all data]

Igumenov, Chumachenko, et al., 1979
Igumenov, I.K.; Chumachenko, Y.V.; Zemskov, S.V., Khim. Termodin. Termokhim., 1979, 65. [all data]

Colominas, Lau, et al., 2001
Colominas, Carles; Lau, Kai H.; Hildenbrand, Donald L.; Crouch-Baker, Steven; Sanjurjo, Angel, Vapor Pressures of the Copper and Yttrium β-Diketonate MOCVD Precursors, J. Chem. Eng. Data, 2001, 46, 2, 446-450, . [all data]

Fahlman and Barron, 2000
Fahlman, Bradley D.; Barron, Andrew R., Substituent effects on the volatility of metal ?-diketonates, Adv. Mater. Opt. Electron., 2000, 10, 3-5, 223-232,<223::AID-AMO411>3.0.CO;2-M . [all data]

Rappoli and DeSisto, 1996
Rappoli, Brian J.; DeSisto, William J., Gas phase ultraviolet spectroscopy of high-temperature superconductor precursors for chemical vapor deposition processing, Appl. Phys. Lett., 1996, 68, 19, 2726, . [all data]

Yuan and Meng, 1996
Yuan, Z.; Meng, G., Synthesis, identification and properties of Cu(DPM)2 chelate, Huaxue Shiji, 1996, 18, 2, 76. [all data]

Tobaly and Lanchec, 1993
Tobaly, P.; Lanchec, G., Vapour pressure and enthalpy of sublimation of a series of organometallic complexes: Cu(DPM)2, Y(DPM)3, Ba(DPM)2, and some derivatives, The Journal of Chemical Thermodynamics, 1993, 25, 4, 503-510, . [all data]

Waffenschmidt, Musolf, et al., 1992
Waffenschmidt, E.; Musolf, J.; Heuken, M.; Heime, K., Vapor pressures of Y, Ba, Cu precursors for the growth of YBa2Cu3O7 by MOVPE, J Supercond, 1992, 5, 2, 119-125, . [all data]


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