Materials Data on NiH2(ClO2)2 by Materials Project
NiH2(O2Cl)2 crystallizes in the monoclinic P2_1/c space group. The structure is zero-dimensional and consists of four NiH2(O2Cl)2 clusters. Ni is bonded in a 5-coordinate geometry to four O and one Cl atom. There are a spread of Ni–O bond distances ranging from 1.75–2.05 Å. The Ni–Cl bond length is 2.48 Å. There are two inequivalent H sites. In the first H site, H is bonded in a single-bond geometry to one O atom. The H–O bond length is 0.99 Å. In the second H site, H is bonded in a single-bond geometry to one O atom. The H–O bond length is 0.99 Å. There are four inequivalent O sites. In the first O site, O is bonded in a distorted trigonal non-coplanar geometry to one Ni and two H atoms. In the second O site, O is bonded in a bent 120 degrees geometry to one Ni and one Cl atom. The O–Cl bond length is 1.59 Å. In the third O site, O is bonded in a single-bond geometry to one Ni atom. In the fourth O site, O is bonded in a single-bond geometry to one Ni atom. There are two inequivalent Cl sites. In the first Cl site, Cl is bonded in a distorted single-bond geometry to one Ni atom. In the second Cl site, Cl is bonded in a single-bond geometry to one O atom.