Zinc Chloride

Formula: Cl₂Zn
Molecular weight: 136.29
IUPAC Standard InChI: InChI=1S/2ClH.Zn/h2*1H;/q;;+2/p-2
IUPAC Standard InChIKey: JIAARYAFYJHUJI-UHFFFAOYSA-L
CAS Registry Number: 7646-85-7
Chemical structure:
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Other names: ZnCl2; Butter of zinc; Chlorure de zinc; Zinc (chlorure de); Zinc chloride (ZnCl2); Zinc dichloride; Zinc muriate; Zinc Butter; Zinco (cloruro di); Zinkchlorid; Zinkchloride; Tinning flux; UN 1840; UN 2331; Zinc chloride, anhydrous; Zinco; Zinctrace; Hydrochloric acid zinc salt (2:1)
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Information on this page:
Other data available:
- Phase change data
- Mass spectrum (electron ionization)
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Gas phase ion energetics data

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

Ionization energy determinations

IE (eV)	Method	Reference	Comment
11.75 ± 0.23	EI	Kiser, Dillard, et al., 1969	RDSH
11.802 ± 0.005	PE	Wang, Niu, et al., 1990	Vertical value; LL
11.83	PE	Bauschlicher, Rosi, et al., 1990	Vertical value; LL
11.85	PE	Berkowitz, 1974	Vertical value; LLK
11.87 ± 0.05	PE	Cocksey, Eland, et al., 1973	Vertical value; LLK
11.7	PE	Boggess, Allen, et al., 1973	Vertical value; LLK

Appearance energy determinations

Ion	AE (eV)	Other Products	Method	Reference	Comment
Cl⁺	19.6 ± 0.3	?	EI	Kiser, Dillard, et al., 1969	RDSH
ZnCl⁺	13.7 ± 0.2	Cl	EI	Kiser, Dillard, et al., 1969	RDSH
Zn⁺	14.6 ± 0.3	?	EI	Kiser, Dillard, et al., 1969	RDSH

References

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Kiser, Dillard, et al., 1969
Kiser, R.W.; Dillard, J.G.; Dugger, D.L., Mass spectrometry of inorganic halides, Advan. Chem. Ser., 1969, 72, 153. [all data]

Wang, Niu, et al., 1990
Wang, L.-S.; Niu, B.; Lee, Y.T.; Shirley, D.A., Electronic structure and chemical bonding of the first row transition metal dichlorides, MnCl₂, NiCl₂, and ZnCl₂: A high resolution photoelectron spectroscopic study, J. Chem. Phys., 1990, 93, 957. [all data]

Bauschlicher, Rosi, et al., 1990
Bauschlicher, C.W., Jr.; Rosi, M.; Langhoff, S.R., The photoelectron spectroscopy of ZnCl₂, Chem. Phys., 1990, 146, 237. [all data]

Berkowitz, 1974
Berkowitz, J., PES of high-temperature vapors. VI. 304 A and 584 APES of Zn, Cd, and Hg halides and the electronegativity scale, J. Chem. Phys., 1974, 61, 407. [all data]

Cocksey, Eland, et al., 1973
Cocksey, B.G.; Eland, J.H.D.; Danby, C.J., Photoelectron spectra of the zinc and cadmium halides, J. Chem. Soc. Faraday Trans. 2, 1973, 69, 1558. [all data]

Boggess, Allen, et al., 1973
Boggess, G.W.; Allen, J.D., Jr.; Schweitzer, G.K., The photoelectron spectra of gaseous zinc(II) and cadmium(II) chlorides, bromides, and iodides, J. Electron Spectrosc. Relat. Phenom., 1973, 2, 467. [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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