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Acta Crystallogr Sect E Struct Rep Online. 2012 Sep 1;68(Pt 9):m1139. doi: 10.1107/S1600536812033776. Epub 2012 Aug 1.

Poly[aqua-μ-bromido-(μ(2)-5-methyl-pyrazine-2-carboxyl-ato-κ(4)N(1),O(2):O(2),O(2'))lead(II)].

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1
Tianjin Key Laboratory of Structure and Performance of Functional Molecules, Tianjin Normal University, Tianjin 300071, People's Republic of China.

Abstract

In the title coordination polymer, [PbBr(C(6)H(5)N(2)O(2))(H(2)O)](n), the Pb(II) atom is coordinated by one pyrazine N atom, two bridging Br atoms, a water mol-ecule and three carboxyl-ate O atoms. Bridging by the two anions generates a layer structure parallel to (001); the layers are linked by O-H⋯N and O-H⋯Br hydrogen bonds, forming a three-dimensional network. The lone pair is stereochemically active, resulting in a Ψ-dodeca-hedral coordination environment for Pb(II).

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