Cobalt tris(acetylacetonate)
- Formula: C15H21CoO6
- Molecular weight: 356.2568
- IUPAC Standard InChIKey: RHCQEPWEBDOALW-LNTINUHCSA-K
- CAS Registry Number: 21679-46-9
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
The 3d structure may be viewed using Java or Javascript. - Other names: Cobalt acetylacetonate; Cobalt, tris(2,4-pentanedionato-O,O')-, (OC-6-11)-; Cobalt, tris(2,4-pentanedionato)-; Cobalt triacetoacetate; Cobalt triacetylacetonate; Cobalt(III) acetylacetonate; Cobalt(3+) acetylacetonate; Cobaltic acetylacetonate; Cobaltic trisacetylacetonate; Tris(acetylacetonato)cobalt; Tris(2,4-pentanedionato)cobalt; Cobalt(III) 2,4-pentanedionate; Tris(acetylacetonato)cobalt(III); Cobalt, tris(2,4-pentanedionato-O,O')-; Cobalt, tris(2,4-pentanedionato-κO,κO')-, (OC-6-11)-; Cobalt, tris(2,4-pentanedionato-κO2,κO4)-, (OC-6-11)-; NSC 43621; Tris(acetylacetone)cobalt; tris(pentane-2,4-dionato-O,O')cobalt
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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° | 32.17 ± 0.96 | kcal/mol | ME | Malkerova, Alikhanyan, et al., 1990 | Based on data from 318. to 382. K. |
Enthalpy of sublimation
ΔsubH (kcal/mol) | Temperature (K) | Method | Reference |
---|---|---|---|
33.0 | 433. to 463. | TGA | Fahlman and Barron, 2000 |
34.1 ± 1.6 | 471. | DSC | Murray and Hill, 1987 |
25.60 | 390. | N/A | Götze, Bloss, et al., 1970 |
Enthalpy of fusion
ΔfusH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
22.4 | 478. | DSC | Sabolovic, Mrak, et al., 2004 | Value is abnormally large compared with Cr(acac)<sub>3</sub>- may undergo decomposition |
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.
Malkerova, Alikhanyan, et al., 1990
Malkerova, I.P.; Alikhanyan, A.S.; Sevast'yanov, V.G.; Grinberg, Ya.Kh.; Gorgoraki, V.I.,
Thermal behavior of 3d transition metal acetylacetonates,
Zh. Neorg. Khim., 1990, 35, 2, 413. [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]
Murray and Hill, 1987
Murray, J.P.; Hill, J.O.,
DSC determination of the sublimation enthalpy of tris(2,4-pentanedionato)cobalt(III) and bis(2,4-pentanedionato) nickel(II) and -copper(II),
Thermochimica Acta, 1987, 109, 2, 383-390, https://doi.org/10.1016/0040-6031(87)80034-5
. [all data]
Götze, Bloss, et al., 1970
Götze, H.-J.; Bloss, K.; Molketin, H.,
Dampfdruckbestimmung von Acetylacetonaten,
Zeitschrift für Physikalische Chemie, 1970, 73, 46, 314-320, https://doi.org/10.1524/zpch.1970.73.46.314
. [all data]
Sabolovic, Mrak, et al., 2004
Sabolovic, Jasmina; Mrak, Zeljko; Kostrun, Sanja; Janekovic, August,
Is the Enthalpy of Fusion of Tris(acetylacetonato)metal(III) Complexes Affected by Their Potential Energy in the Crystal State?,
Inorg. Chem., 2004, 43, 26, 8479-8489, https://doi.org/10.1021/ic048900u
. [all data]
Notes
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- Symbols used in this document:
ΔfusH Enthalpy of fusion ΔsubH Enthalpy of sublimation ΔsubH° Enthalpy of sublimation at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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