Synthesis and characterization of fluorinated indium phosphate

doi:10.7523/j.issn.2095-6134.2009.3.004

Abstract

Abstract:

A fluorinated indiumphosphate, InF₂ ₂(NH₄)₃, has been prepared under ionothermal condition using deep-eutectic solvents of choline chloride and urea as solvent and template-delivery agents. The same material can not be observed with the presence of the same deep-eutectic mixture under normal hydrothermal process. The compound crystallized in the monoclinic system, space group C2/c (No.15) with cell parameters a=13.799(3) , b=5.091(2) , c=16.094(3) , β=112.942(16)°, V=1041.2(5) ³ and Z=4; the final residual factors were R₁=0.0582 and wR2=0.1589. The structure is built from an infinite chain composed of interconnected 4-member ring with formula of InF₂ ^3-₂. The guest ammonium are hydrogen bonded to the F atoms located in two outmost vertexes of indium octahedral and terminal P—OH and P O groups in the chain respectively. The integrated framework is formed by van der Waals forces holding the chains together as extensive H bond array exists in the compound. The further characterizations of the compound have been performed by X-ray powder diffraction, EDX, IR, XPS and TG/DTA analyses.

Key words: deep-eutectic solvents, ionothermal synthesis, fluorinated indiumphosphate

CLC Number:

TQ031.2

LI Xing-Liang, SU Zhe, LI Shou-Jian. Synthesis and characterization of fluorinated indium phosphate[J]. , 2009, 26(3): 310-318.

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