A Hybrid Open-Framework Iron Phosphate-Oxalate with a Large Unidimensional Channel, Showing Reversible Hydration

Choudhury, Amitava and Natarajan, Srinivasan and Rao, CNR (1999) A Hybrid Open-Framework Iron Phosphate-Oxalate with a Large Unidimensional Channel, Showing Reversible Hydration. In: Chemistry of Materials, 11 (9). 2316-+.

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Abstract

A novel inorganic-organic hybrid iron phosphate-oxalate material has been synthesized hydrothermally in the presence of ethylenediamine as the structure-directing agent. The three-dimensional solid possesses neutral iron phosphate layers built up by strictly alternating FeO6 octahedra and PO4 tetrahedra creating large voids of similar to 5 Angstrom free diameter bound by 12 T atoms (T = Fe, P). The oxalate units act as pillars holding the layers apart, and together. The positions of the oxalate units and the amine are such as to give rise to a large one-dimensional channel. The solid orders antiferromagnetically with a Neel temperature of 31 K. The solid undergoes reversible dehydration and shows adsorptive properties.

Item Type:	Journal Article
Publication:	Chemistry of Materials
Publisher:	American Chemical Society
Additional Information:	Copyright of this article belongs to American Chemical Society.
Department/Centre:	Division of Chemical Sciences > Solid State & Structural Chemistry Unit
Date Deposited:	12 Aug 2009 09:25
Last Modified:	19 Sep 2010 04:58
URI:	http://eprints.iisc.ac.in/id/eprint/17891

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