Chromic acetylacetonate

• Formula: C₁₅H₂₁CrO₆
• Molecular weight: 349.3197
• IUPAC Standard InChI: InChI=1S/3C5H8O2.Cr/c3*1-4(6)3-5(2)7;/h3*3,6H,1-2H3;/q;;;+3/p-3/b3*4-3-; Copy

  
• IUPAC Standard InChIKey: JWORPXLMBPOPPU-LNTINUHCSA-K Copy
• CAS Registry Number: 21679-31-2
• Chemical structure:
  This structure is also available as a 2d Mol file
• Other names: Chromium, tris(2,4-pentanedionato-O,O')-, (OC-6-11)-; Chromium triacetylacetonate; Chromium, tris(2,4-pentanedionato)-; Chromium acetylacetonate; Chromium tris(acetylacetonate); Chromium tris(2,4-pentanedionate); Chromium(III) acetylacetonate; Chromium(3+) acetylacetonate; Tris(acetylacetonato)chromium; Tris(2,4-pentanedionato)chromium; (CH3COCHCOCH3)3Cr; Chromium(III) tris(2,4-pentanedionate); Tris(acetylacetonato)chromium(III); Chromium(3+), tris(2,4-pentanedionato)-; Chromium, tris(acetylacetonato)-; Chromium, tris(2,4-pentanedionato-O,O')-; Chromium, tris(2,4-pentanedionato-κO,κO')-, (OC-6-11)-; NSC 4654; chromium(III) 4-oxopent-2-ene-2-olate
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• Information on this page:
  • Phase change data
  • Gas phase ion energetics data
  • Mass spectrum (electron ionization)
  • References
  • Notes
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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 as indicated in comments:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
AC - William E. Acree, Jr., James S. Chickos
DH - Eugene S. Domalski and Elizabeth D. Hearing

Enthalpy of vaporization

Enthalpy of sublimation

Enthalpy of fusion

Entropy of fusion

Gas phase ion energetics 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 as indicated in comments:
LL - Sharon G. Lias and Joel F. Liebman
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
B - John E. Bartmess

Electron affinity determinations

Ionization energy determinations

Appearance energy determinations

Mass spectrum (electron ionization)

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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: NIST Mass Spectrometry Data Center, William E. Wallace, director

Spectrum

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Additional Data

References

Go To: Top, Phase change data, Gas phase ion energetics data, Mass spectrum (electron ionization), NIST Free Links, NIST Subscription Links, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Grinberg, Lazarev, et al., 1986
Grinberg, Ya.Kh.; Lazarev, V.B.; Zavernyaev, A.Yu.; Shreider, V.A.; Chepik, S.D., Enthalpies of fusion of aluminium(III), chromium(III), zirconium(IV), and zinc(II) acetylacetonates, Zhur. Fiz. Khim., 1986, 60, 1044. [all data]

Murray and Hill, 1984
Murray, J.P.; Hill, J.O., DSC determination of the fusion and sublimation enthalpy of tris(2,4-pentanedionato)chromium(III) and iron(III), Thermochim. Acta, 1984, 72, 341. [all data]

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]

Murata, Sakiyama, et al., 1985
Murata, S.; Sakiyama, M.; Seki, S., Sublimation calorimetric studies using a calvet microcalorimeter, Thermochimica Acta, 1985, 88, 1, 121-126, https://doi.org/10.1016/0040-6031(85)85419-8 . [all data]

Naghibi-Bidokhti, 1977
Naghibi-Bidokhti, H., , Ph.D. Thesis, University of Surrey, 1977. [all data]

da Silva and Ferrao, 1988
da Silva, M.A.V. Ribeiro; Ferrao, Maria Luisa C.C.H., Energetics of metal-oxygen bonds in metal complexes of β-diketones, Polym. J., 1988, 60, 8, https://doi.org/10.1351/pac198860081225 . [all data]

Hill and Irving, 1967
Hill, J.O.; Irving, R.J., Standard heat of formation of tris(acetylacetonato)chromium(III) at 25«65533» and the metal?oxygen bond energy, J. Chem. Soc., A, 1967, 1413, https://doi.org/10.1039/j19670001413 . [all data]

Melia and Merrifield, 1970
Melia, T.P.; Merrifield, R., Vapour pressures of the tris(acetylacetonato) complexes of scandium(III), vanadium(III) and chromium(III), Journal of Inorganic and Nuclear Chemistry, 1970, 32, 5, 1489-1493, https://doi.org/10.1016/0022-1902(70)80636-4 . [all data]

Melia and Merrifield, 1970, 2
Melia, T.P.; Merrifield, R., Thermal properties of transition metal compounds, Journal of Inorganic and Nuclear Chemistry, 1970, 32, 8, 2573-2579, https://doi.org/10.1016/0022-1902(70)80304-9 . [all data]

Lazarev, Greenberg, et al., 1988
Lazarev, V.B.; Greenberg, J.H.; Ozerova, Z.P.; Sharpataya, G.A., DSC and vapour pressure investigation of some β-diketonates, Journal of Thermal Analysis, 1988, 33, 3, 797-799, https://doi.org/10.1007/BF02138589 . [all data]

Siddiqi, Siddiqui, et al., 2007
Siddiqi, M. Aslam; Siddiqui, Rehan A.; Atakan, Burak, Thermal stability, sublimation pressures and diffusion coefficients of some metal acetylacetonates, Surface and Coatings Technology, 2007, 201, 22-23, 9055-9059, https://doi.org/10.1016/j.surfcoat.2007.04.036 . [all data]

Semyannikov, Igumenov, et al., 2005
Semyannikov, P.P.; Igumenov, I.K.; Trubin, S.V.; Chusova, T.P.; Semenova, Z.I., Thermodynamics of chromium acetylacetonate sublimation, Thermochimica Acta, 2005, 432, 1, 91-98, https://doi.org/10.1016/j.tca.2005.02.034 . [all data]

Pankajavalli, Mallika, et al., 2002
Pankajavalli, R.; Mallika, C.; Sreedharan, O.M.; Raghunathan, V.S.; Antony Premkumar, P.; Nagaraja, K.S., Thermal stability of organo-chromium or chromium organic complexes and vapor pressure measurements on tris(2,4-pentanedionato)chromium(III) and hexacarbonyl chromium(0) by TG-based transpiration method, Chemical Engineering Science, 2002, 57, 17, 3603-3610, https://doi.org/10.1016/S0009-2509(02)00248-8 . [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]

Grinberg and Lazarev, 1987
Grinberg, Ya.Kh.; Lazarev, V.B., Zh. Neorg. Khim., 1987, 32, 3110. [all data]

Volkov, Mazurenko, et al., 1978
Volkov, S.V.; Mazurenko, E.A.; Bublik, Z.N., Effect of the nature of substituents in β-diketonates on their thermodynamic characteristics, Str., Svoistva Primen. β [Beta]-Diketonatov Met., [Mater. Vses. Semin.], 3rd, V.I. Spitsyn, ed(s)., 1978, 119-122. [all data]

Fontaine, Pommier, et al., 1972
Fontaine, R.; Pommier, C.; Guiochon, G., Bull. Soc. Chim. Fr., 1972, 8, 3011. [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]

Murray and Hill, 1984, 2
Murray, J.P.; Hill, J.O., DSC determination of the fusion and sublimation enthalpy of tris(2,4-pentanedionato)chromium(III) and iron(III), Thermochimica Acta, 1984, 72, 3, 341-347, https://doi.org/10.1016/0040-6031(84)85092-3 . [all data]

Beech and Lintonbon, 1971
Beech, Graham; Lintonbon, Roger M., Thermal and kinetic studies of some complexes of 2,4-pentanedione, Thermochimica Acta, 1971, 3, 2, 97-105, https://doi.org/10.1016/0040-6031(71)80003-5 . [all data]

Sharpe, Eyler, et al., 1990
Sharpe, P.; Eyler, J.R.; Richardson, D.E., Free Energies of Electron Attachment to Tris(acetylacetonate) and Tris(hexafluoroacetylacetonate) Transition-Metal Complexes in the Gas Phase: Experimental Results and Ligand Field Analysis, Inorg. Chem., 1990, 29, 15, 2779, https://doi.org/10.1021/ic00340a014 . [all data]

Westmore, Reimer, et al., 1981
Westmore, J.B.; Reimer, M.L.J.; Reichert, C., Ionization energies of metal chelates. Acetylacetonates, trifluoroacetylacetonates, and hexafluoroacetylacetonates of trivalent metals of the first transition series, Can. J. Chem., 1981, 59, 1797. [all data]

Schildcrout, Pearson, et al., 1968
Schildcrout, S.M.; Pearson, R.G.; Stafford, F.E., Ionization potentials of tris(-diketonate)metal(III) complexes and Koopmans' theorem, J. Am. Chem. Soc., 1968, 90, 4006. [all data]

Bancroft, Reichert, et al., 1968
Bancroft, G.M.; Reichert, C.; Westmore, J.B., Mass spectral studies of metal chelates. II. Mass spectra and appearance potentials of acetylacetonates of trivalent metals of the first transition series, Inorg. Chem., 1968, 7, 870. [all data]

Akopyan, Vovna, et al., 1990
Akopyan, M.E.; Vovna, V.I.; Kleimenov, S.N.; Lopatin, S.N.; Ustinov, A.Yu., Photoelectron spectroscopy of aluminum, chromium, and iron tris-B-diketonates, Opt. Spectrosc., 1990, 69, 53. [all data]

Evans, Hamnett, et al., 1972
Evans, S.; Hamnett, A.; Orchard, A.F.; Lloyd, D.R., Study of the metal-oxygen bond in simple tris-chelate complexes by He(I) photoelectron spectroscopy, Faraday Discuss. Chem. Soc., 1972, 54, 227. [all data]

Notes

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• Symbols used in this document:
  

  AE	Appearance energy
  EA	Electron affinity
  Tfus	Fusion (melting) point
  ΔfusH	Enthalpy of fusion
  ΔfusS	Entropy of fusion
  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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