DOI: 10.17188/1278575
title: Materials Data on H4SO5 by Materials Project

description: H4SO5 crystallizes in the triclinic P1 space group. The structure is two-dimensional and consists of one H4SO5 sheet oriented in the (0, 1, 0) direction. there are sixteen inequivalent H1+ sites. In the first 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 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 (1.61 Å) H–O bond length. In the third H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 1.01 Å. In the fourth 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 fifth 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 sixth H1+ site, H1+ is bonded in a linear geometry to two O2- atoms. There is one shorter (1.06 Å) and one longer (1.47 Å) H–O bond length. In the seventh H1+ site, H1+ is bonded in a distorted linear geometry to two O2- atoms. There is one shorter (1.04 Å) and one longer (1.52 Å) H–O bond length. In the eighth 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 ninth H1+ site, H1+ is bonded in a distorted linear geometry to two O2- atoms. There is one shorter (1.03 Å) and one longer (1.57 Å) H–O bond length. In the tenth 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 eleventh H1+ site, H1+ is bonded in a distorted linear geometry to two O2- atoms. There is one shorter (1.02 Å) and one longer (1.60 Å) H–O bond length. In the twelfth H1+ site, H1+ is bonded in a distorted linear geometry to two O2- atoms. There is one shorter (1.03 Å) and one longer (1.58 Å) H–O bond length. In the thirteenth H1+ site, H1+ is bonded in a distorted linear geometry to two O2- atoms. There is one shorter (1.03 Å) and one longer (1.50 Å) H–O bond length. In the fourteenth H1+ site, H1+ is bonded in a distorted single-bond geometry to two O2- atoms. There is one shorter (1.00 Å) and one longer (1.65 Å) H–O bond length. In the fifteenth H1+ site, H1+ is bonded in a linear geometry to two O2- atoms. There is one shorter (1.06 Å) and one longer (1.46 Å) H–O bond length. In the sixteenth H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 1.00 Å. 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 1.47–1.58 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 1.45–1.58 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 1.46–1.59 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 1.45–1.60 Å. There are twenty inequivalent O2- sites. In the first O2- site, O2- is bonded in a bent 120 degrees geometry to one H1+ and one S6+ atom. In the second O2- site, O2- is bonded in a bent 120 degrees geometry to one H1+ and one S6+ atom. In the third O2- site, O2- is bonded in a bent 120 degrees geometry to one H1+ and one S6+ atom. In the fourth O2- site, O2- is bonded in a distorted water-like geometry to one H1+ and one S6+ atom. In the fifth O2- site, O2- is bonded in a distorted water-like geometry to one H1+ and one S6+ atom. In the sixth O2- site, O2- is bonded in a water-like geometry to one H1+ and one S6+ atom. In the seventh O2- site, O2- is bonded in a water-like geometry to one H1+ and one S6+ atom. In the eighth O2- site, O2- is bonded in a single-bond geometry to one S6+ atom. In the ninth O2- site, O2- is bonded in a bent 150 degrees geometry to one H1+ and one S6+ atom. In the tenth O2- site, O2- is bonded in a bent 150 degrees geometry to one H1+ and one S6+ atom. In the eleventh O2- site, O2- is bonded in a bent 150 degrees geometry to one H1+ and one S6+ atom. In the twelfth O2- site, O2- is bonded in a bent 150 degrees geometry to one H1+ and one S6+ atom. In the thirteenth O2- site, O2- is bonded in a bent 120 degrees geometry to one H1+ and one S6+ atom. In the fourteenth O2- site, O2- is bonded in a bent 120 degrees geometry to one H1+ and one S6+ atom. In the fifteenth O2- site, O2- is bonded in a distorted single-bond geometry to one S6+ atom. In the sixteenth O2- site, O2- is bonded in a trigonal planar geometry to two H1+ and one S6+ atom. In the seventeenth O2- site, O2- is bonded in a trigonal non-coplanar geometry to three H1+ atoms. In the eighteenth O2- site, O2- is bonded in a trigonal non-coplanar geometry to three H1+ atoms. In the nineteenth O2- site, O2- is bonded in a trigonal non-coplanar geometry to three H1+ atoms. In the twentieth O2- site, O2- is bonded in a trigonal non-coplanar geometry to three H1+ atoms.