Materials Data on Ni3Se4(ClO5)2 by Materials Project

Abstract

Ni3Se4(O5Cl)2 crystallizes in the monoclinic C2/m space group. The structure is three-dimensional. there are two inequivalent Ni2+ sites. In the first Ni2+ site, Ni2+ is bonded to four equivalent O2- and two equivalent Cl1- atoms to form edge-sharing NiCl2O4 octahedra. All Ni–O bond lengths are 2.13 Å. Both Ni–Cl bond lengths are 2.40 Å. In the second Ni2+ site, Ni2+ is bonded to four O2- and two equivalent Cl1- atoms to form distorted edge-sharing NiCl2O4 octahedra. There are two shorter (2.05 Å) and two longer (2.12 Å) Ni–O bond lengths. Both Ni–Cl bond lengths are 2.49 Å. Se4+ is bonded in a trigonal non-coplanar geometry to three O2- atoms. There are a spread of Se–O bond distances ranging from 1.68–1.83 Å. There are three inequivalent O2- sites. In the first O2- site, O2- is bonded in a bent 120 degrees geometry to one Ni2+ and one Se4+ atom. In the second O2- site, O2- is bonded in a trigonal planar geometry to two Ni2+ and one Se4+ atom. In the third O2- site, O2- is bonded in a distorted bent 120 degrees geometry to two equivalent Se4+ atoms. Cl1- is bonded in a 3-coordinate geometry to three Ni2+ atoms.