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A hybrid open-framework structure: synthesis and structure of an iron phosphate oxalate, [C10N4H28][Fe2(HPO4)3(C2O4)]2

Choudhury, Amitava and Natarajan, Srinivasan (1999) A hybrid open-framework structure: synthesis and structure of an iron phosphate oxalate, [C10N4H28][Fe2(HPO4)3(C2O4)]2. In: Journal Of Materials Chemistry, 9 (12). pp. 3113-3117.

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Abstract

A new inorganic-organic hybrid structure has been synthesized hydrothermally in the iron phosphate oxalate family using 1,4-bis(3-aminopropyl)piperazine as the structure-directing agent. Crystal data for I, [C10N4H28][Fe-2(HPO4)(3)(C2O4)](2): M = 589.8, monoclinic, space group = P2(1)/n (no. 14), a = 10.829(1), b = 12.747(1), c = 12.397(1) Angstrom, beta = 95.1(1)degrees, V = 1704.4(3) Angstrom(3), Z = 4, R = 0.036 and R-w = 0.083 [1860 observed reflections with I > 2 sigma(I)]. The structure comprises a network of FeO6 octahedra and PO4 tetrahedra forming inorganic layers which are bridged by the oxalate units forming 8-membered channels in which the amine molecule resides. Magnetic susceptibility studies indicate an antiferromagnetic behavior with T-N = approximate to 40 K, the highest known in an open-framework material.

Item Type: Journal Article
Additional Information: Copyright of this article belongs to The Royal Society of Chemistry.
Department/Centre: Division of Chemical Sciences > Solid State & Structural Chemistry Unit
Date Deposited: 12 Aug 2009 09:27
Last Modified: 19 Sep 2010 04:58
URI: http://eprints.iisc.ernet.in/id/eprint/17892

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