Chromium, tris(1,1,1,5,5,5-hexafluoro-2,4-pentanedionato-o,o')-


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
Δsub26.8 ± 0.96kcal/molN/ARibeiro Da Silva and Ferrão, 1987 

Enthalpy of sublimation

ΔsubH (kcal/mol) Temperature (K) Method Reference Comment
39.2 ± 0.96426.CRibeiro Da Silva and Ferrão, 1987 
29.40 ± 0.31335.N/AFontaine, Pommier, et al., 1972Based on data from 333. to 360. K.

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:
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

EA (eV) Method Reference Comment
2.91 ± 0.13IMRBSharpe, Eyler, et al., 1990EA given is actually -ΔGea(350 K). Between Cl4quinone, Ti(CF3COCHCOCF3)3; B

Ionization energy determinations

IE (eV) Method Reference Comment
9.3 ± 0.2PEWestmore, Reimer, et al., 1981LLK
9.19 ± 0.02PELloyd, 1970RDSH
10.13 ± 0.05EIBancroft, Reichert, et al., 1969RDSH
9.97 ± 0.08EISchildcrout, Pearson, et al., 1968RDSH
9.53PEEvans, Hamnett, et al., 1972Vertical value; LLK
9.57 ± 0.07PEEvans, Hamnett, et al., 1972, 2Vertical value; LLK

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
C10H2O4F12Cr+14.3 ± 0.1?EIBancroft, Reichert, et al., 1969RDSH

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.

Ribeiro Da Silva and Ferrão, 1987
Ribeiro Da Silva, Manuel A.V.; Ferrão, Maria Luísa C.C.H., Standard enthalpies of formation of tris(β-diketonate)chromium(III) complexes: the mean (Cr«58872»O) bond-dissociation enthalpies, The Journal of Chemical Thermodynamics, 1987, 19, 6, 645-652, https://doi.org/10.1016/0021-9614(87)90070-X . [all data]

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

Lloyd, 1970
Lloyd, D.R., The failure of electron impact measurements to detect first ionization potentials in some molecules, Intern. J. Mass Spectrom. Ion Phys., 1970, 4, 500. [all data]

Bancroft, Reichert, et al., 1969
Bancroft, G.M.; Reichert, C.; Westmore, J.B.; Gesser, H.D., Mass spectral studies of metal chelates. III. Mass spectra and appearance potentials of substituted acetylacetonates of trivalent chromium. Comparison with other trivalent metals of the first transition series, Inorg. Chem., 1969, 8, 474. [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]

Evans, Hamnett, et al., 1972
Evans, S.; Hamnett, A.; Orchard, A.F., The relative orbital energies of metal ligand electrons in some tris(hexafluoroacetylacetonato) transition-metal complexes, J. Coord. Chem., 1972, 2, 57. [all data]

Evans, Hamnett, et al., 1972, 2
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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