Materials Data on CoH8Se2(ClO4)2 by Materials Project

Abstract

Co(HO)4H2O2(HSeOCl)2 crystallizes in the monoclinic P2_1/c space group. The structure is one-dimensional and consists of four water molecules; four HSeOCl clusters; and two Co(HO)4 ribbons oriented in the (1, 0, 0) direction. In each HSeOCl cluster, H1+ is bonded in a single-bond geometry to one Se4+ atom. The H–Se bond length is 1.52 Å. Se4+ is bonded in a distorted trigonal non-coplanar geometry to one H1+, one O2-, and one Cl1- atom. The Se–O bond length is 1.66 Å. The Se–Cl bond length is 2.31 Å. O2- is bonded in a single-bond geometry to one Se4+ atom. Cl1- is bonded in a single-bond geometry to one Se4+ atom. In each Co(HO)4 ribbon, Co2+ is bonded in a distorted square co-planar geometry to four O2- atoms. There are two shorter (1.93 Å) and two longer (2.10 Å) Co–O bond lengths. There are two inequivalent H1+ sites. In the first H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.98 Å. In the second H1+ site, H1+ is bonded in a linear geometry to two O2- atoms. There is one shorter (1.04 Å) and one longer (1.51 Å) H–O bond length. There are two inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted water-like geometry to one Co2+ and two H1+ atoms. In the second O2- site, O2- is bonded in a 2-coordinate geometry to one Co2+ and one H1+ atom.