Structural studies and conductivity of [Fe(O3C4)(COO)]·H2O based H4btec (H4btec = 1,2,4,5-benzenetetracarboxylic acid)

Abstract

A new metal-organic hybrid compound [Fe(O3C4)(COO)]·H2O I has been hydrothermally synthesized and characterized by single-crystal X-ray diffraction. Rust crystals crystallize in the monoclinic system, space group I2/a, a = 6.9651(2) A, b = 8.12630(10) A, c = 19.4245(2) A, β = 92.6600(10)°; V = 1098.25(4) A3; Z = 2 and Dx =3.63g/cm3. The refinement converged into R = 0.042; Rw = 0.058. The structure, determined by single crystal X-ray diffraction, consists of a network of FeO6 centers, octahedral coordinated by btec (btec = 1,2,4,5-benzenetetracarboxylic acid) anions giving rise to a two-dimensional sheet structure. In the compound I, [Fe(O3C4)(COO)]·H2O, the FeO6 group bridged by the 1,2,4,5-benzenetetracarboxyl anion exist in a unit cell, with each anion lying about an inversion centre. One of the FeO2 adistance [1.965(2)] significantly corresponds to the shortest distance as the other and the distances found in the axial direction of compound I.

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Halouani, M. , Abdelhedi, M. , Dammak, M. , Audebrand, N. and Ktari, L. (2013) Structural studies and conductivity of [Fe(O3C4)(COO)]·H2O based H4btec (H4btec = 1,2,4,5-benzenetetracarboxylic acid). Open Journal of Inorganic Chemistry, 3, 100-108. doi: 10.4236/ojic.2013.34012.

Conflicts of Interest

The authors declare no conflicts of interest.

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