DOE OSTI2020
RbHSO4 crystallizes in the monoclinic Pc space group. The structure is three-dimensional. there are four inequivalent Rb1+ sites. In the first Rb1+ site, Rb1+ is bonded in a 10-coordinate geometry to ten O2- atoms. There are a spread of Rb–O bond distances ranging from 2.96–3.43 Å. In the second 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 2.97–3.18 Å. In the third Rb1+ site, Rb1+ is bonded in a 10-coordinate geometry to ten O2- atoms. There are a spread of Rb–O bond distances ranging from 2.95–3.28 Å. In the fourth Rb1+ site, Rb1+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Rb–O bond distances ranging from 2.99–3.22 Å. There are four inequivalent H1+ sites. In the first H1+ site, H1+ is bonded in a linear geometry to two O2- atoms. There is one shorter (1.02 Å) and one longer (1.58 Å) H–O bond length. In the second H1+ site, H1+ is bonded in a distorted linear geometry to two O2- atoms. There is one shorter (1.02 Å) and one longer (1.59 Å) H–O bond length. In the third H1+ site, H1+ is bonded in a distorted linear geometry to two O2- atoms. There is one shorter (1.00 Å) and one longer (1.60 Å) H–O bond length. In the fourth H1+ site, H1+ is bonded in a linear geometry to two O2- atoms. There is one shorter (1.02 Å) and one longer (1.55 Å) H–O bond length. There are four inequivalent S6+ sites. In the first S6+ site, S6+ is bonded in a tetrahedral geometry to four O2- atoms. There are a spread of S–O bond distances ranging from 1.47–1.60 Å. In the second S6+ site, S6+ is bonded in a tetrahedral geometry to four O2- atoms. There are a spread of S–O bond distances ranging from 1.47–1.60 Å. In the third S6+ site, S6+ is bonded in a tetrahedral geometry to four O2- atoms. There are a spread of S–O bond distances ranging from 1.46–1.60 Å. In the fourth S6+ site, S6+ is bonded in a tetrahedral geometry to four O2- atoms. There are a spread of S–O bond distances ranging from 1.47–1.59 Å. There are sixteen inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Rb1+, one H1+, and one S6+ atom. In the second O2- site, O2- is bonded in a distorted bent 120 degrees geometry to two Rb1+, one H1+, 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 three Rb1+ and one S6+ atom. In the fifth O2- site, O2- is bonded in a distorted single-bond geometry to three Rb1+ and one S6+ atom. In the sixth O2- site, O2- is bonded in a linear geometry to two Rb1+, one H1+, and one S6+ atom. In the seventh O2- site, O2- is bonded in a distorted single-bond geometry to three Rb1+ and one S6+ atom. In the eighth O2- site, O2- is bonded in a distorted water-like geometry to one Rb1+, one H1+, and one S6+ atom. In the ninth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to two Rb1+, one H1+, and one S6+ atom. In the tenth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to two Rb1+, one H1+, and one S6+ atom. In the eleventh O2- site, O2- is bonded in a distorted single-bond geometry to three Rb1+ and one S6+ atom. In the twelfth O2- site, O2- is bonded in a distorted single-bond geometry to three Rb1+ and one S6+ atom. In the thirteenth O2- site, O2- is bonded in a distorted single-bond geometry to three Rb1+ and one S6+ atom. In the fourteenth O2- site, O2- is bonded in a 2-coordinate geometry to two Rb1+, one H1+, and one S6+ atom. In the fifteenth O2- site, O2- is bonded in a distorted single-bond geometry to three Rb1+ and one S6+ atom. In the sixteenth O2- site, O2- is bonded in a distorted water-like geometry to one Rb1+, one H1+, and one S6+ atom.