Research Article: Poly[di-μ2-chlorido-tri-μ2-terephthalato-tetra­lead(II)]

Date Published: June 01, 2011

Publisher: International Union of Crystallography

Author(s): Lei Yang, Zhongyue Li, Guanghua Li.


The title compound, [Pb4(C8H4O4)3Cl2]n, consists of a three-dimensional inorganic–organic hybrid framework. The asymmetric unit contains two Pb2+ cations, one Cl− anion and one and a half terephthalate anions, the latter being completed by inversion symmetry. The two Pb2+ cations are each surrounded by five O atoms and one Cl atom in the form of irregular polyhedra. The cations are linked by μ2-O and μ2-Cl atoms into binuclear units, which are further extended through Pb—O inter­actions into an undulated inorganic layer parallel to (001). These layers are connected along [001] by the terephthalate groups into a three-dimensional framework.

Partial Text

For a description of inorganic–organic hybrid compounds, see: Cheetham et al. (2006 ▶). For Pb—Cl bond lengths, see: Casas (2003 ▶). For a related structure, see: Zhang et al. (2009 ▶).




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