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Title: Hydrothermal synthesis and characterization of a new iron phosphate structure of ladder-like chains and coordination directly by an organo-nitrogen ligand: [Fe(phen)(HPO{sub 4})(H{sub 2}PO{sub 4}).0.5H{sub 2}O] (phen=1,10-phenanthroline)

Journal Article · · Journal of Solid State Chemistry
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  1. State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University, Number 10, Changchun 130012 (China)

A coordination iron phosphate, Fe(phen)(HPO{sub 4})(H{sub 2}PO{sub 4}).0.5H{sub 2}O (I), has been hydrothermally synthesized and characterized by elemental analysis, IR spectral analysis, thermogravimetric analysis, and single-crystal X-ray diffraction. The title compound crystallizes in the monoclinic system, space group C2/m (No. 12), with cell parameters M=438.03, a=21.421(5)A, b=6.4292(1)A, c=12.190(3)A, {beta}=105.964(9){sup o}, V=1614.1(6)A{sup 3}, Z=4, R1[I>2{sigma}(I)]=0.0545, wR2[I>2{sigma}(I)]=0.1186. This compound displays a new structure of ladder-like chains, in which each one-dimensional chain is constituted by the distorted octahedral units of Fe{sup 3+} bridged through PO{sub 4} tetrahedron. The phen ligands in the compound bind in a bidentate fashion to the metal atoms and the ladder-like structure of the compound extends into a three-dimensional supramolecular array via {pi}-{pi} stacking interactions of phen ligands. Mossbauer spectroscopy shows the presence of Fe{sup 3+} in the octahedral coordination. Magnetic susceptibility measurement studies show that this material may model as anti-ferromagnetic.

OSTI ID:
20655412
Journal Information:
Journal of Solid State Chemistry, Vol. 177, Issue 12; Other Information: DOI: 10.1016/j.jssc.2004.09.010; PII: S0022-4596(04)00505-5; Copyright (c) 2004 Elsevier Science B.V., Amsterdam, The Netherlands, All rights reserved; Country of input: International Atomic Energy Agency (IAEA); ISSN 0022-4596
Country of Publication:
United States
Language:
English