A binuclear oxo-bridged iron(III) complex: structure of {(μ-oxo)-bis[cis-chloro-bis(2,2/ -bipyridyl)iron(lll)]} dichloride • 0.7 n-amyl alcohol solvate

Abstract

The title compound [(μ-O){Fe(C1)(bpy) 2 } 2 ] 2 Cl 2 0.7 C5H 11 OH (bpy = 2,2'-bipyridyl) crystallizes in orthorhombic system with the space group Pnna (No. 52). Crystal data: a = 16.892(2) A, b = 17.656(2) A, c = 16.552(2) A, V = 4936.6(12) A 3 , Z = 4, d calc = 1.286 g.cm -3 . The full-matrix least-squares on F 2 was refined for 1804 reflections with (I > 2σ(I)) and 213 parameters to R1 = 0.0912. A crystallographic 2-fold symmetry is present in the cation, in which the bridging oxygen atom lies on the 2-fold axis and bonded to two Fe atoms. Each iron(III) center has a distorted octahedral geometry with the bpy ligands attached in cis fashion. The Fe-O, Fe-Cl and Fe-N distances respectively are 1.790(2)A, 2.323(3)A and 2.143(8) A-2.279(9)A. Fe-O-Fe angle and the Fe... Fe separations are 167.6(6)° and 3.559(2) A, respectively.