Bis(acetylacetonato)zinc

Formula: C₁₀H₁₄O₄Zn
Molecular weight: 263.60
IUPAC Standard InChI: InChI=1S/2C5H8O2.Zn/c2*1-4(6)3-5(2)7;/h2*3,6H,1-2H3;/q;;+2/p-2/b2*4-3-;
IUPAC Standard InChIKey: CYDXJXDAFPJUQE-FDGPNNRMSA-L
CAS Registry Number: 14024-63-6
Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
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Other names: Zinc, bis(2,4-pentanedionato)-; Zinc, bis(2,4-pentanedionato-O,O')-, (T-4)-; Bis(2,4-pentanedionato)zinc; Zinc acetoacetonate; Zinc acetylacetonate; Zinc acetylacetone chelate; Zinc bis(acetylacetonate); Zinc bis(acetylacetone); Zinc(II) acetylacetonate; Zinc, bis(2,4-pentanedionato)di-; (CH3COCHCOCH3)2Zn; Zinc 2,4-pentanedionate; Zinc bis(2,4-pentanedionate); Zinc, bis(2,4-pentanedionato-O,O')-; bis(pentane-2,4-dionato-O,O')zinc
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Gas phase ion energetics data

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Data compiled as indicated in comments:
LBLHLM - Sharon G. Lias, John E. Bartmess, Joel F. Liebman, John L. Holmes, Rhoda D. Levin, and W. Gary Mallard
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron

Ionization energy determinations

IE (eV)	Method	Reference	Comment
7.8	PE	Kitagawa, Morishima, et al., 1983	LBLHLM
8.62 ± 0.05	EI	Reichert and Westmore, 1969	RDSH
8.34	PE	Kitagawa, Morishima, et al., 1983	Vertical value; LBLHLM
8.46	PE	Brittain and Disch, 1975	Vertical value; LLK

Appearance energy determinations

Ion	AE (eV)	Other Products	Method	Reference	Comment
C₅H₇O₂Zn⁺	14.1 ± 0.2	?	EI	Reichert and Westmore, 1969	RDSH
C₉H₁₁O₄Zn⁺	10.9 ± 0.1	?	EI	Reichert and Westmore, 1969	RDSH

References

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Kitagawa, Morishima, et al., 1983
Kitagawa, S.; Morishima, I.; Yoshikawa, K., UV photoelectron spectra of some transition metal(II)aAcetylacetonates, Polyhedron, 1983, 2, 43. [all data]

Reichert and Westmore, 1969
Reichert, C.; Westmore, J.B., Mass spectral studies of metal chelates. IV.Mass spectra, appearance potentials, and coordinate bond energies of bis(acetylacetonate)metal(II) complexes of the first transition series, Inorg. Chem., 1969, 8, 1012. [all data]

Brittain and Disch, 1975
Brittain, H.G.; Disch, R.L., The He(I) photoelectron spectra of some bivalent transition metal β-diketonate complexes*, J. Electron Spectrosc. Relat. Phenom., 1975, 7, 475. [all data]

Notes

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Symbols used in this document:

AE Appearance energy
Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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