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DOI: 10.1039/A703643D (Paper) Reference Section for: Chem. Commun., 1997, 1965-1966

Square-prismatic vs. square-antiprismatic coordination in complexes of lead(II) with a simple bidentate chelating ligand; effects of intermolecular hydrogen bonding

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Elefteria Psillakis and John C. Jeffery

Abstract

Whereas the eight-coordinate complex cation of [PbL4][(MeO)2PO2]·2H2O [L = 3-(2-pyridyl)pyrazole] has square prismatic geometry stabilised by hydrogen bonding between the pyrazolyl NH groups and the dimethylphosphate anion, the complex cation of [PbL4][PF6]2, in which there are no significant hydrogen-bonding interactions, has a structure distorted towards square antiprismatic with a 22° twist between the planes.

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