Materials Data on Cs2NiH12(SO7)2 by Materials Project
Cs2NiH12(SO7)2 crystallizes in the monoclinic P2_1/c space group. The structure is three-dimensional. Cs1+ is bonded in a 1-coordinate geometry to one H1+ and five O2- atoms. The Cs–H bond length is 3.13 Å. There are a spread of Cs–O bond distances ranging from 2.98–3.45 Å. Ni2+ is bonded in an octahedral geometry to six O2- atoms. There are a spread of Ni–O bond distances ranging from 2.06–2.13 Å. There are six inequivalent H1+ sites. In the first H1+ site, H1+ is bonded in a distorted single-bond geometry to one O2- atom. The H–O bond length is 1.00 Å. In the second 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 third H1+ site, H1+ is bonded in a single-bond geometry to one Cs1+ and one O2- atom. The H–O bond length is 0.98 Å. In the fourth H1+ site, H1+ is bonded in a linear geometry to two O2- atoms. There is one shorter (1.11 Å) and one longer (1.36 Å) H–O bond length. In the fifth H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 1.00 Å. In the sixth H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.98 Å. S6+ is bonded in a trigonal non-coplanar geometry to three O2- atoms. There are a spread of S–O bond distances ranging from 1.49–1.71 Å. There are seven inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted single-bond geometry to one Cs1+, one H1+, and one O2- atom. The O–O bond length is 1.48 Å. In the second O2- site, O2- is bonded in a distorted water-like geometry to one Ni2+ and two H1+ atoms. In the third O2- site, O2- is bonded in a single-bond geometry to two equivalent Cs1+ and one S6+ atom. In the fourth O2- site, O2- is bonded in a 1-coordinate geometry to one Cs1+ and one S6+ atom. In the fifth O2- site, O2- is bonded in a distorted water-like geometry to one S6+ and one O2- atom. In the sixth O2- site, O2- is bonded in a 2-coordinate geometry to one Ni2+ and two H1+ atoms. In the seventh O2- site, O2- is bonded in a distorted water-like geometry to one Cs1+, one Ni2+, and two H1+ atoms.