Complex Formation in an Aqueous ZnBr2 Solution Based on Electron Diffraction, X-ray Scattering and Raman Spectra

E. Kálmán, I. Serke, G. Pálinkás, G. Johansson, G. Kabisch, M. Maeda, H. Ohtaki

Research output: Contribution to journalArticle

16 Citations (Scopus)

Abstract

Electron and X-ray scattering as well as Raman spectra of as aqueous solution of ZnBr2 with a Br−/Zn++ ratio of 3: 1 have been studied. The existence of hexaaquo, di-, tri- and tetra-bromo complexes in solution has been established by all three methods. Octahedral hexaaquo and tetrahedral Zn(H2O)4−nBrn complexes with n = 2, 3, 4 are consistent with electron and X-ray structure functions. The inner sphere type complexes have interatomic distances of 2.2 Å for Zn++−H2O, 2.4 Å for Zn++−Br−, 3.93 Å for Br−-Br− and 2.91 Å for W-W interactions with average numbers of contacts 2.4, 2.22, 1.33 and 1.1 respectively.

Original languageEnglish
Pages (from-to)225-230
Number of pages6
JournalZeitschrift fur Naturforschung - Section A Journal of Physical Sciences
Volume38
Issue number2
DOIs
Publication statusPublished - Feb 1 1983

ASJC Scopus subject areas

  • Mathematical Physics
  • Physics and Astronomy(all)
  • Physical and Theoretical Chemistry

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