Tetrakis(2,2,6,6-tetramethyl-3,5-heptanedionato-o,o')zirconium
- Formula: C44H76O8Zr
- Molecular weight: 824.293
- CAS Registry Number: 18865-74-2
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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 sublimation
| ΔsubH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 20.4 | 437. | GS | Jeevan, Arockiasamy, et al., 2008 | Based on data from 411. to 463. K. |
| 28.7 | 413. to 443. | TGA | Fahlman and Barron, 2000 |
Enthalpy of fusion
| ΔfusH (kcal/mol) | Temperature (K) | Method | Reference |
|---|---|---|---|
| 1.4 | 616. | DSC | Zherikova, Morozova, et al., 2008 |
Gas phase ion energetics data
Go To: Top, Phase change data, 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: Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
Appearance energy determinations
| Ion | AE (eV) | Other Products | Method | Reference | Comment |
|---|---|---|---|---|---|
| C33H57O6Zr+ | 10.5 ± 0.5 | ? | EI | McDonald and Margrave, 1968 |
References
Go To: Top, Phase change data, Gas phase ion energetics data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Jeevan, Arockiasamy, et al., 2008
Jeevan, T.S. Arul; Arockiasamy, S.; Mathews, Tom; Raghunathan, V.S.; Nagaraja, K.S.,
Evaluation of enthalpy of sublimation of Zr(tmhd)4 by using thermogravimetric transpiration method,
Materials Letters, 2008, 62, 25, 4170-4172, https://doi.org/10.1016/j.matlet.2008.06.033
. [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, https://doi.org/10.1002/1099-0712(200005/10)10:3/5<223::AID-AMO411>3.0.CO;2-M
. [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]
McDonald and Margrave, 1968
McDonald, J.D.; Margrave, J.L.,
Mass-spectrometric studies of volatile Al, Sc, Co, Y, Zr and rare-earth chelates,
J. Less-Common Metals, 1968, 14, 236. [all data]
Notes
Go To: Top, Phase change data, Gas phase ion energetics data, References
- Symbols used in this document:
AE Appearance energy ΔfusH Enthalpy of fusion ΔsubH Enthalpy of sublimation - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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