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Acta Cryst. (2004). E60, m1356-m1358  [ doi:10.1107/S1600536804020690 ]

A trinuclear zinc-cerium complex: [CeZn2{CH2C(CH3)COO}6(NO3)(2,2'-bipyridine)2]

B. Wu and Y. Guo

Abstract: In the novel title carboxylate-bridged trinuclear zinc-cerium complex, bis(2,2'-bipyridine)hexakis-[mu]-methacrylato-nitratocerium(III)dizinc(II), [Zn2Ce(C4H5O2)6(NO3)(C10H8N2)2], the Ce and each of two Zn atoms are bridged by three bidentate carboxylate groups. The Ce...Zn separations are 4.011 (1) and 3.982 (1) Å. The Ce atom is eight-coordinate in irregular polyhedron. Each Zn atom is five-coordinate, with a distorted pyramidal geometry.


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