Crystal structure and chemical bonding in tin(II) acetate

Varvara S. Stafeeva, Alexander S. Mitiaev, Artem M. Abakumov, Alexander A. Tsirlin, Artem M. Makarevich, Evgeny V. Antipov

Research output: Contribution to journalArticlepeer-review

9 Citations (Scopus)

Abstract

Tin(II) acetate was prepared and its crystal structure was solved from X-ray powder diffraction data. Tin(II) acetate adopts a polymeric structure consisting of infinite Sn(CH3COO)2 chains running along the c-axis which are packed into groups of four. The acetate groups bridge the Sn atoms along the chains. The Sn atoms are asymmetrically surrounded by four oxygen atoms with two short Sn-O distances (2.170(6), 2.207(6) Å) and two longer ones (2.293(7), 2.372(8) Å). The coordination environment of the Sn atoms is completed up to a strongly distorted trigonal bipyramid SnO4E by the sterically active lone electron pair E. The coordination environment of the Sn atoms is virtually identical for Sn(CH3COO)2 in the gaseous and solid phase: the two short Sn-O bonds and the lone electron pair are located in the equatorial plane of the trigonal bipyramid and the two longer Sn-O bonds are directed towards the apical vertexes. Localization of the lone electron pair on Sn(II) was confirmed by electron localization function (ELF) analysis. The polymeric nature of the tin(II) acetate crystal structure was confirmed by a MALDI-TOF experiment.

Original languageEnglish
Pages (from-to)5365-5369
Number of pages5
JournalPolyhedron
Volume26
Issue number18
DOIs
Publication statusPublished - 20 Nov 2007
Externally publishedYes

Keywords

  • Acetate
  • Chemical bonding
  • Crystal structure
  • Tin(II) complex
  • X-ray powder diffraction

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