tris(2,2,6,6-tetramethylheptane-3,5-dionato)erbium(III)
- Formula: C33H57ErO6
- Molecular weight: 717.061
- CAS Registry Number: 14319-09-6
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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 |
|---|---|---|---|---|---|
| ΔsubH° | 130.8 ± 2.2 | kJ/mol | DSC | Santos Jr, Petrucelli, et al., 1999 |
Enthalpy of vaporization
| ΔvapH (kJ/mol) | Temperature (K) | Method | Reference |
|---|---|---|---|
| 85.6 | 454. to 490. | BG | Sicre, Dubois, et al., 1969 |
Enthalpy of sublimation
| ΔsubH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 93.9 ± 4.6 | 488. | N/A | Zverev and Chesnokova, 1996 | Based on data from 471. to 505. K. |
| 154. | 390. | ME | Amano, Sato, et al., 1981 | Based on data from 363. to 418. K. |
| 149.3 ± 1.7 | 358. to 381. | ME | Swain and Karraker, 1971 | |
| 133.2 | 432. | BG | Sicre, Dubois, et al., 1969 | Based on data from 410. to 454. K. |
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.
Santos Jr, Petrucelli, et al., 1999
Santos Jr, Luiz S.; Petrucelli, Giovanni P.; Airoldi, Claudio,
Thermochemistry of 2,2,6,6-tetramethyl-3,5-heptanedione chelates of lanthanide group elements,
Polyhedron, 1999, 18, 7, 969-977, https://doi.org/10.1016/S0277-5387(98)00380-5
. [all data]
Sicre, Dubois, et al., 1969
Sicre, Juan E.; Dubois, J.T.; Eisentraut, K.J.; Sievers, R.E.,
Volatile lanthanide chelates. II. Vapor pressures, heats of vaporization, and heats of sublimation,
J. Am. Chem. Soc., 1969, 91, 13, 3476-3481, https://doi.org/10.1021/ja01041a011
. [all data]
Zverev and Chesnokova, 1996
Zverev, Yu.B.; Chesnokova, S.G.,
Volatile complexes of erbium with organic ligands for doping of high-purity vitreous silica,
Vysokochist. Veshchestva, 1996, 1, 75. [all data]
Amano, Sato, et al., 1981
Amano, Ryohei; Sato, Akiko; Suzuki, Shin,
Sublimation behavior of tris(2,2,6,6-tetramethyl-3,5-heptanedionato)lanthanoid(III).,
Bull. Chem. Soc. Jpn., 1981, 54, 5, 1368-1374, https://doi.org/10.1246/bcsj.54.1368
. [all data]
Swain and Karraker, 1971
Swain, H.A.; Karraker, D.G.,
Vapor pressure of some tris-(Heptafluorodimethyloctanediono) lanthanide(III) chelates,
Journal of Inorganic and Nuclear Chemistry, 1971, 33, 9, 2851-2856, https://doi.org/10.1016/0022-1902(71)80046-5
. [all data]
Notes
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- Symbols used in this document:
ΔsubH Enthalpy of sublimation ΔsubH° Enthalpy of sublimation at standard conditions ΔvapH Enthalpy of vaporization - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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