tetrakis(1,1,1-trifluoro-5,5-dimethyl-2,4-hexanedionato)hafnium(IV)
- Formula: C32H40F12HfO8
- Molecular weight: 959.13
- CAS Registry Number: 916441-69-5
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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
Enthalpy of vaporization
| ΔvapH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 22.0 ± 0.31 | 460. | GS | Morozova, Zherikova, et al., 2008 | Based on data from 426. to 493. K. |
| 21.8 ± 0.07 | 448. | N/A | Zherikova, Morozova, et al., 2008 | Based on data from 424. to 472. K. |
Enthalpy of sublimation
| ΔsubH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 32.34 ± 0.41 | 403. | GS | Morozova, Zherikova, et al., 2008 | the enthalpy of sublimation that was reported in the paper, 97.5±1.7 kJ/mole, was not consistent with the reported Antoine constants. We have recalculated the the enthalpy of sublimation assuming that the reported Antoine constants are correct. |
| 29.0 ± 0.2 | 404. | N/A | Zherikova, Morozova, et al., 2008 | Based on data from 386. to 423. K. |
References
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.
Morozova, Zherikova, et al., 2008
Morozova, Natalia B.; Zherikova, Ksenia V.; Baidina, Iraida A.; Sysoev, Sergei V.; Semyannikov, Pyotr P.; Yakovkina, Lyubov' V.; Smirnova, Tamara P.; Gelfond, Nikolay V.; Igumenov, Igor K.; Carta, Giovanni; Rossetto, Gilberto,
Volatile hafnium(IV) compounds with beta-diketonate and cyclopentadienyl derivatives,
Journal of Physics and Chemistry of Solids, 2008, 69, 2-3, 673-679, https://doi.org/10.1016/j.jpcs.2007.07.057
. [all data]
Zherikova, Morozova, et al., 2008
Zherikova, Ksenia V.; Morozova, Natalia B.; Zelenina, Ludmila N.; Sysoev, S.V.; Chusova, Tamara P.; Igumenov, I.K.,
Thermal properties of hafnium(IV) and zirconium(IV) β-diketonates,
J Therm Anal Calorim, 2008, 92, 3, 729-734, https://doi.org/10.1007/s10973-008-9027-x
. [all data]
Notes
Go To: Top, Phase change data, References
- Symbols used in this document:
ΔsubH Enthalpy of sublimation ΔvapH Enthalpy of vaporization - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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