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All sourcesNASA NTRSDOE OSTI
DOE OSTI2020

Materials Data on Cs3H(SeO4)2 by Materials Project

Cs3H(SeO4)2 crystallizes in the monoclinic Cc space group. The structure is three-dimensional. there are three inequivalent Cs1+ sites. In the first Cs1+ site, Cs1+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Cs–O bond distances ranging from 3.18–3.42 Å. In the second Cs1+ site, Cs1+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Cs–O bond distances ranging from 3.12–3.45 Å. In the third Cs1+ site, Cs1+ is bonded in a 12-coordinate geometry to six O2- atoms. There are a spread of Cs–O bond distances ranging from 3.06–3.28 Å. H1+ is bonded in a linear geometry to two O2- atoms. There is one shorter (1.08 Å) and one longer (1.45 Å) H–O bond length. There are two inequivalent Se6+ sites. In the first Se6+ site, Se6+ is bonded in a tetrahedral geometry to four O2- atoms. There are a spread of Se–O bond distances ranging from 1.67–1.71 Å. In the second Se6+ site, Se6+ is bonded in a tetrahedral geometry to four O2- atoms. There are a spread of Se–O bond distances ranging from 1.65–1.77 Å. There are eight inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted water-like geometry to one Cs1+, one H1+, and one Se6+ atom. In the second O2- site, O2- is bonded in a 2-coordinate geometry to one Cs1+, one H1+, and one Se6+ atom. In the third O2- site, O2- is bonded in a distorted single-bond geometry to three Cs1+ and one Se6+ atom. In the fourth O2- site, O2- is bonded in a distorted single-bond geometry to three Cs1+ and one Se6+ atom. In the fifth O2- site, O2- is bonded in a distorted single-bond geometry to four Cs1+ and one Se6+ atom. In the sixth O2- site, O2- is bonded in a distorted single-bond geometry to four Cs1+ and one Se6+ atom. In the seventh O2- site, O2- is bonded in a distorted single-bond geometry to four Cs1+ and one Se6+ atom. In the eighth O2- site, O2- is bonded in a distorted single-bond geometry to four Cs1+ and one Se6+ atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Cs3H(SeO4)2 by Materials Project

Cs3H(SeO4)2 crystallizes in the monoclinic C2/m space group. The structure is three-dimensional. there are two inequivalent Cs1+ sites. In the first Cs1+ site, Cs1+ is bonded in a 10-coordinate geometry to ten O2- atoms. There are a spread of Cs–O bond distances ranging from 3.24–3.55 Å. In the second Cs1+ site, Cs1+ is bonded in a 12-coordinate geometry to six O2- atoms. There are two shorter (3.14 Å) and four longer (3.23 Å) Cs–O bond lengths. H1+ is bonded in a linear geometry to two equivalent O2- atoms. Both H–O bond lengths are 1.23 Å. Se6+ is bonded in a tetrahedral geometry to four O2- atoms. There are a spread of Se–O bond distances ranging from 1.66–1.74 Å. There are three inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted single-bond geometry to four Cs1+ and one Se6+ atom. In the second O2- site, O2- is bonded in a distorted water-like geometry to one Cs1+, one H1+, and one Se6+ atom. In the third O2- site, O2- is bonded in a distorted single-bond geometry to four Cs1+ and one Se6+ atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Cs3H(SeO4)2 by Materials Project

Cs3H(SeO4)2 crystallizes in the monoclinic C2/c space group. The structure is three-dimensional. there are two inequivalent Cs1+ sites. In the first Cs1+ site, Cs1+ is bonded in a 12-coordinate geometry to two equivalent H1+ and ten O2- atoms. Both Cs–H bond lengths are 3.26 Å. There are a spread of Cs–O bond distances ranging from 3.08–3.50 Å. In the second Cs1+ site, Cs1+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Cs–O bond distances ranging from 3.14–3.44 Å. H1+ is bonded in a linear geometry to two equivalent Cs1+ and two equivalent O2- atoms. Both H–O bond lengths are 1.22 Å. Se6+ is bonded in a tetrahedral geometry to four O2- atoms. There are a spread of Se–O bond distances ranging from 1.66–1.74 Å. There are four inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted single-bond geometry to four Cs1+ and one Se6+ atom. In the second O2- site, O2- is bonded in a distorted single-bond geometry to three Cs1+ and one Se6+ atom. In the third O2- site, O2- is bonded in a distorted single-bond geometry to four Cs1+ and one Se6+ atom. In the fourth O2- site, O2- is bonded in a distorted water-like geometry to three Cs1+, one H1+, and one Se6+ atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Cs3H(SeO4)2 by Materials Project

Cs3H(SeO4)2 crystallizes in the monoclinic P2_1/m space group. The structure is three-dimensional. there are three inequivalent Cs1+ sites. In the first Cs1+ site, Cs1+ is bonded in a 12-coordinate geometry to six O2- atoms. There are a spread of Cs–O bond distances ranging from 3.09–3.27 Å. In the second Cs1+ site, Cs1+ is bonded in a 10-coordinate geometry to ten O2- atoms. There are a spread of Cs–O bond distances ranging from 3.27–3.53 Å. In the third Cs1+ site, Cs1+ is bonded in a 10-coordinate geometry to ten O2- atoms. There are a spread of Cs–O bond distances ranging from 3.20–3.48 Å. H1+ is bonded in a linear geometry to two O2- atoms. There is one shorter (1.06 Å) and one longer (1.52 Å) H–O bond length. There are two inequivalent Se6+ sites. In the first Se6+ site, Se6+ is bonded in a tetrahedral geometry to four O2- atoms. There are a spread of Se–O bond distances ranging from 1.67–1.71 Å. In the second Se6+ site, Se6+ is bonded in a tetrahedral geometry to four O2- atoms. There are a spread of Se–O bond distances ranging from 1.65–1.78 Å. There are six inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted single-bond geometry to four Cs1+ and one Se6+ atom. In the second O2- site, O2- is bonded in a distorted water-like geometry to one Cs1+, one H1+, and one Se6+ atom. In the third O2- site, O2- is bonded in a distorted single-bond geometry to four Cs1+ and one Se6+ atom. In the fourth O2- site, O2- is bonded in a distorted single-bond geometry to four Cs1+ and one Se6+ atom. In the fifth O2- site, O2- is bonded in a distorted water-like geometry to one Cs1+, one H1+, and one Se6+ atom. In the sixth O2- site, O2- is bonded in a distorted single-bond geometry to four Cs1+ and one Se6+ atom.

36 MATERIALS SCIENCE↗