title: Poly[[diaqua-tetra-kis-(μ(2)-benzene-1,4-di-carbonitrile-κN:N')iron(II)] bis-[tetra-chlorido-ferrate(III)] nitro-methane tetra-solvate].
abstract: In the title compound, {[Fe(II)(C(8)H(4)N(2))(2)(H(2)O)(2)][Fe(III)Cl(4)](2)·4CH(3)NO(2)}(n), the Fe(II) and Fe(III) ions are hexa- and tetra-coordinated, respectively. Each unique benzene-1,4-dicarbonitrile mol-ecule lies across a crystallographic inversion centre and bridges two Fe(II) ions (each situated on an inversion centre), generating two-dimensional (4,4) square grid layers. The tetra-chloridoferrate(III) anions and nitro-methane solvent mol-ecules lie between the square grid layers and are further link to the adjacent layers into a three-dimensional supra-molecular structure through O-H⋯Cl and O-H⋯O hydrogen bonds.
authors.affiliation: Department of Chemistry, Faculty of Science, Naresuan University, Muang Phitsanulok 65000,  Thailand.
authors.forename: Pimonrat
authors.initials: P
authors.lastname: Prommon
authors.forename: Pinyada
authors.initials: P
authors.lastname: Promseenong
authors.forename: Kittipong
authors.initials: K
authors.lastname: Chainok