On the structures and properties of Cr(DMSO)(6)(3+) and the coordination polymer cis-Cr(III)(oxalate)(2)(DMSO)(2) K(DMSO)(2) (n)
Journal article, 2000

cis-Cr(III)(oxalate)(2)(DMSO)(2)K(DMSO)(2) was formed by K3Cr(oxalate), in dimethylsulfoxide-THF mixtures. The structure is ribbon-like with cis-Cr(oxalate)(2)(DMSO)(2)(-) complex ions bridged by oxalates to (DMSO)K(DMSO)(2)K(DMSO) units forming interconnected rings of six metal complexes. In the same type of solutions Cr(DMSO)(6)(NO3)(3) was also formed. In this structure Cr(III) is six-coordinated by oxygens from DMSO. Cr(DMSO)(6)(NO3)(3) is isostructural with Fe(DMSO)(6)(NO3)(3) (J.R. Tzou et al., Acta Crystallogr., Sect. C, 51 (1995) 2249). The Cr(III)-O distance shows an expected shortening of about 0.04 Angstrom compared to the Fe(III)-O bond in Fe(DMSO)(6)(NO3)(3). (C) 2000 Elsevier Science S.A. All rights reserved.

sulfoxide complexes

ions

networks

field

dimethyl-sulfoxide

chromium complexes

oxalate

complexes

sulfoxide complexes

crystal structures

ligand

crystal-structure

magnetic-properties

Author

Lars Öhrström

Department of Inorganic Chemistry

Göran Svensson

Department of Organic Chemistry

Inorganica Chimica Acta

Vol. 305 2 157-162

Subject Categories

Chemical Sciences

More information

Created

10/7/2017