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Inorganic hybrid open-framework structures: synthesis and structure of a cobalt phosphate-oxalate, [C4N2H12]0.5[Co2(HPO4)(C2O4)1.5]

Choudhury, Amitava and Natarajan, Srinivasan (2000) Inorganic hybrid open-framework structures: synthesis and structure of a cobalt phosphate-oxalate, [C4N2H12]0.5[Co2(HPO4)(C2O4)1.5]. In: Solid State Sciences, 02 (03). pp. 365-372.

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Abstract

: A new open-framework inorganic-organic hybrid structure involving cobalt, [N2C4H12](0.5)[Co-2(HPO4)(C2O4)(1.5)], has been synthesized for the first time by hydrothermal methods. The three-dimensional structure is formed by the edge-shared CoO6 and CoO5 polyhedra forming a [Co2O9] dimer, that are connected with the PO4 polyhedra and the oxalate units forming one-dimensional channels. The amine molecules are located within these channels. The oxalate units have a dual functionality of connecting within the plane of the layer as well as out of the plane. The material is thermally stable up to 350 degrees C and orders anti-ferromagnetically at low temperatures. Crystal data: a = 7.494(1), b = 7.726(1), c = 17.852(3) Angstrom, beta = 97.7(1)degrees; V = 1024.2(2) Angstrom(3): space group = P2(1)/c (no. 14); Z = 4; M = 389.9; D-calc = 2.529 g cm(-3), lambda(Mo-K-alpha) = 3.451 mm(-1); lambda = 0.71073 Angstrom: R-1 = 0.04; wtR(2) = 0.10 and S = 1.13

Item Type: Journal Article
Additional Information: Copyright of this article belongs to Elsevier Science.
Department/Centre: Division of Chemical Sciences > Solid State & Structural Chemistry Unit
Date Deposited: 25 Aug 2009 10:37
Last Modified: 19 Sep 2010 04:58
URI: http://eprints.iisc.ernet.in/id/eprint/17873

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