tetrakis(1,1,1-trifluoro-2,4-pentanedionato)hafnium(IV)
- Formula: C20H16F12HfO8
- Molecular weight: 790.81
- CAS Registry Number: 17475-68-2
- Information on this page:
- Options:
Phase change data
Go To: Top, References, Notes
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 (kJ/mol) | Temperature (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 84.7 ± 3.1 | 413. | GS | Morozova, Zherikova, et al., 2008 | Based on data from 403. to 423. K. |
| 83.2 ± 2.0 | 413. | N/A | Zherikova, Morozova, et al., 2008 | Based on data from 403. to 423. K. |
Enthalpy of sublimation
| ΔsubH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 133.0 ± 1.8 | 376. | GS | Morozova, Zherikova, et al., 2008 | Based on data from 358. to 393. K. |
| 126.5 ± 1.8 | 358. to 398. | N/A | Zherikova, Morozova, et al., 2008 | |
| 129.7 ± 3.8 | 383. to 438. | GS | Matsubara and Kuwamoto, 1985 | |
| 124.7 ± 3.8 | 383. to 438. | GS | Matsubara and Kuwamoto, 1985 |
Enthalpy of fusion
| ΔfusH (kJ/mol) | Temperature (K) | Method | Reference |
|---|---|---|---|
| 40.1 | 398. | DSC | Zherikova, Morozova, et al., 2008 |
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]
Matsubara and Kuwamoto, 1985
Matsubara, Norio; Kuwamoto, Tooru,
Vapor pressures and enthalpies of sublimation and evaporation of trifluoroacetylacetonates in helium and helium containing the ligand vapor,
Inorg. Chem., 1985, 24, 17, 2697-2701, https://doi.org/10.1021/ic00211a022
. [all data]
Notes
Go To: Top, Phase change data, References
- Symbols used in this document:
ΔfusH Enthalpy of fusion ΔsubH Enthalpy of sublimation ΔvapH Enthalpy of vaporization - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
- The National Institute of Standards and Technology (NIST) uses its best efforts to deliver a high quality copy of the Database and to verify that the data contained therein have been selected on the basis of sound scientific judgment. However, NIST makes no warranties to that effect, and NIST shall not be liable for any damage that may result from errors or omissions in the Database.
- Customer support for NIST Standard Reference Data products.