Acta Crystallographica Section E

Structure Reports Online

Volume 68, Part 12 (December 2012)

metal-organic compounds

nk2180 scheme

Acta Cryst. (2012). E68, m1437-m1438 [ doi:10.1107/S1600536812042882 ]

catena-Poly[[[dichlorido(pyridin-1-ium-3-yl)arsenic(III)]--chlorido] monohydrate]

L. Reck and W. Schmitt

Abstract: The crystal structure of the title compound, {[AsCl₃(C₅H₅N)]·H₂O}_n, is characterized by polymeric chains consisting of alternating arsenic and chlorine atoms running parallel to the a axis. O-HCl and N-HO hydrogen bonds mediated by non-coordinating water molecules assemble these chains into a three-dimensional framework. The As^III atom, the atoms of the pyridinium ring and the water O atom have m site symmetry and the bridging Cl atom has site symmetry 2. This is the first reported organotrichloroarsenate(III) in which arsenic adopts a [psi] -octahedral fivefold coordination.


	Hyper-Text Markup Language (HTML) file [ doi:10.1107/S1600536812042882/nk2180sup0.html ] Supplementary materials

	Chemdraw file (2.8 kbytes) [ doi:10.1107/S1600536812042882/nk2180Isup3.cdx ] Supplementary material

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