Materials Data on Rb3H(SO4)2 by Materials Project

Abstract

Rb3H(SO4)2 crystallizes in the monoclinic C2/c space group. The structure is three-dimensional. there are two inequivalent Rb1+ sites. In the first Rb1+ site, Rb1+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Rb–O bond distances ranging from 3.03–3.18 Å. In the second Rb1+ site, Rb1+ is bonded in a 12-coordinate geometry to two equivalent H1+ and ten O2- atoms. Both Rb–H bond lengths are 3.01 Å. There are a spread of Rb–O bond distances ranging from 2.90–3.25 Å. H1+ is bonded in a linear geometry to two equivalent Rb1+ and two equivalent O2- atoms. Both H–O bond lengths are 1.22 Å. S6+ is bonded in a tetrahedral geometry to four O2- atoms. There are a spread of S–O bond distances ranging from 1.47–1.56 Å. There are four inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted water-like geometry to three Rb1+, one H1+, and one S6+ atom. In the second O2- site, O2- is bonded in a distorted single-bond geometry to four Rb1+ and one S6+ atom. In the third O2- site, O2- is bonded in a distorted single-bond geometry to three Rb1+ and one S6+ atom. In the fourth O2- site, O2- is bonded in a distorted single-bond geometry to four Rb1+ and one S6+ atom.