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All sourcesNASA NTRSDOE OSTI
DOE OSTI2020

Materials Data on H13Se2N3O8 by Materials Project

NH4H9Se2(NO4)2 crystallizes in the monoclinic Cc space group. The structure is zero-dimensional and consists of four ammonium molecules and four H9Se2(NO4)2 clusters. In each H9Se2(NO4)2 cluster, there are two inequivalent N+2.33+ sites. In the first N+2.33+ site, N+2.33+ is bonded in a tetrahedral geometry to four H1+ atoms. There are a spread of N–H bond distances ranging from 1.03–1.05 Å. In the second N+2.33+ site, N+2.33+ is bonded in a tetrahedral geometry to four H1+ atoms. There are a spread of N–H bond distances ranging from 1.02–1.06 Å. There are nine inequivalent H1+ sites. In the first H1+ site, H1+ is bonded in a single-bond geometry to one N+2.33+ atom. In the second H1+ site, H1+ is bonded in a single-bond geometry to one N+2.33+ atom. In the third H1+ site, H1+ is bonded in a single-bond geometry to one N+2.33+ and one O2- atom. The H–O bond length is 1.74 Å. In the fourth H1+ site, H1+ is bonded in a single-bond geometry to one N+2.33+ atom. In the fifth H1+ site, H1+ is bonded in a single-bond geometry to one N+2.33+ atom. In the sixth H1+ site, H1+ is bonded in a single-bond geometry to one N+2.33+ and one O2- atom. The H–O bond length is 1.69 Å. In the seventh H1+ site, H1+ is bonded in a single-bond geometry to one N+2.33+ atom. In the eighth H1+ site, H1+ is bonded in a single-bond geometry to one N+2.33+ atom. In the ninth H1+ site, H1+ is bonded in a linear geometry to two O2- atoms. There is one shorter (1.07 Å) and one longer (1.47 Å) H–O bond length. There are two inequivalent Se2- sites. In the first Se2- site, Se2- is bonded in a tetrahedral geometry to four O2- atoms. There are a spread of Se–O bond distances ranging from 1.65–1.75 Å. In the second Se2- site, Se2- is bonded in a tetrahedral geometry to four O2- atoms. There are a spread of Se–O bond distances ranging from 1.67–1.70 Å. There are eight inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted water-like geometry to one H1+ and one Se2- atom. In the second O2- site, O2- is bonded in a single-bond geometry to one Se2- atom. In the third O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one H1+ and one Se2- atom. In the fourth O2- site, O2- is bonded in a single-bond geometry to one Se2- atom. In the fifth O2- site, O2- is bonded in a bent 120 degrees geometry to one H1+ and one Se2- atom. In the sixth O2- site, O2- is bonded in a single-bond geometry to one Se2- atom. In the seventh O2- site, O2- is bonded in a distorted single-bond geometry to one Se2- atom. In the eighth O2- site, O2- is bonded in a bent 120 degrees geometry to one H1+ and one Se2- atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on H13Se2N3O8 by Materials Project

NH4H9Se2(NO4)2 crystallizes in the monoclinic C2/c space group. The structure is zero-dimensional and consists of four ammonium molecules and four H9Se2(NO4)2 clusters. In each H9Se2(NO4)2 cluster, N+2.33+ is bonded in a tetrahedral geometry to four H1+ atoms. There are a spread of N–H bond distances ranging from 1.03–1.05 Å. There are five inequivalent H1+ sites. In the first H1+ site, H1+ is bonded in a single-bond geometry to one N+2.33+ and one O2- atom. The H–O bond length is 1.75 Å. In the second H1+ site, H1+ is bonded in a single-bond geometry to one N+2.33+ atom. In the third H1+ site, H1+ is bonded in a single-bond geometry to one N+2.33+ atom. In the fourth H1+ site, H1+ is bonded in a single-bond geometry to one N+2.33+ atom. In the fifth H1+ site, H1+ is bonded in a linear geometry to two equivalent O2- atoms. Both H–O bond lengths are 1.22 Å. Se2- is bonded in a tetrahedral geometry to four O2- atoms. There are a spread of Se–O bond distances ranging from 1.66–1.72 Å. There are four inequivalent O2- sites. In the first O2- site, O2- is bonded in a water-like geometry to one H1+ and one Se2- atom. In the second O2- site, O2- is bonded in a single-bond geometry to one Se2- atom. In the third O2- site, O2- is bonded in a single-bond geometry to one Se2- atom. In the fourth O2- site, O2- is bonded in a distorted single-bond geometry to one H1+ and one Se2- atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on H13Se2N3O8 by Materials Project

NH3NHONH7Se2O6H2O crystallizes in the monoclinic Cc space group. The structure is zero-dimensional and consists of four ammonia molecules, four nitroxyl molecules, four water molecules, and four NH7Se2O6 clusters. In each NH7Se2O6 cluster, N+2.33+ is bonded in a tetrahedral geometry to four H1+ atoms. There are a spread of N–H bond distances ranging from 1.03–1.09 Å. There are seven 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 single-bond geometry to one N+2.33+ atom. In the third H1+ site, H1+ is bonded in a linear geometry to one N+2.33+ and one O2- atom. The H–O bond length is 1.49 Å. In the fourth H1+ site, H1+ is bonded in a single-bond geometry to one N+2.33+ atom. In the fifth H1+ site, H1+ is bonded in a single-bond geometry to one N+2.33+ atom. In the sixth H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.99 Å. In the seventh H1+ site, H1+ is bonded in a linear geometry to two O2- atoms. There is one shorter (1.05 Å) and one longer (1.52 Å) H–O bond length. There are two inequivalent Se2- sites. In the first Se2- site, Se2- is bonded in a distorted trigonal non-coplanar geometry to three O2- atoms. There are a spread of Se–O bond distances ranging from 1.69–1.85 Å. In the second Se2- site, Se2- is bonded in a distorted trigonal non-coplanar geometry to three O2- atoms. There are a spread of Se–O bond distances ranging from 1.65–1.83 Å. There are six inequivalent O2- sites. In the first O2- site, O2- is bonded in a bent 120 degrees geometry to one H1+ and one Se2- atom. In the second O2- site, O2- is bonded in a distorted single-bond geometry to one H1+ and one Se2- atom. In the third O2- site, O2- is bonded in a bent 120 degrees geometry to one H1+ and one Se2- atom. In the fourth O2- site, O2- is bonded in a distorted water-like geometry to one H1+ and one Se2- atom. In the fifth O2- site, O2- is bonded in a distorted single-bond geometry to one H1+ and one Se2- atom. In the sixth O2- site, O2- is bonded in a single-bond geometry to one Se2- atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on H13Se2N3O8 by Materials Project

H2N3H9Se2O7H2O crystallizes in the monoclinic Cc space group. The structure is zero-dimensional and consists of four hydrogen molecules, four water molecules, and four N3H9Se2O7 clusters. In each N3H9Se2O7 cluster, there are three inequivalent N+2.33+ sites. In the first N+2.33+ site, N+2.33+ is bonded in a distorted single-bond geometry to one Se2- and one O2- atom. The N–Se bond length is 2.28 Å. The N–O bond length is 1.19 Å. In the second N+2.33+ site, N+2.33+ is bonded in a distorted trigonal non-coplanar geometry to one H1+, one Se2-, and one O2- atom. The N–H bond length is 1.03 Å. The N–Se bond length is 1.95 Å. The N–O bond length is 1.40 Å. In the third N+2.33+ site, N+2.33+ is bonded in a tetrahedral geometry to four H1+ atoms. There are a spread of N–H bond distances ranging from 1.04–1.06 Å. There are nine 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 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 O2- atom. The H–O bond length is 0.99 Å. In the fourth H1+ site, H1+ is bonded in a single-bond geometry to one N+2.33+ atom. In the fifth H1+ site, H1+ is bonded in a single-bond geometry to one N+2.33+ atom. In the sixth H1+ site, H1+ is bonded in a single-bond geometry to one N+2.33+ atom. In the seventh H1+ site, H1+ is bonded in a single-bond geometry to one N+2.33+ and one O2- atom. The H–O bond length is 1.77 Å. In the eighth H1+ site, H1+ is bonded in a single-bond geometry to one N+2.33+ atom. In the ninth H1+ site, H1+ is bonded in a single-bond geometry to two O2- atoms. There is one shorter (1.01 Å) and one longer (1.72 Å) H–O bond length. There are two inequivalent Se2- sites. In the first Se2- site, Se2- is bonded in a rectangular see-saw-like geometry to one N+2.33+ and three O2- atoms. There are a spread of Se–O bond distances ranging from 1.80–2.07 Å. In the second Se2- site, Se2- is bonded in a 2-coordinate geometry to one N+2.33+ and two O2- atoms. Both Se–O bond lengths are 1.70 Å. There are seven inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted single-bond geometry to one H1+ and one Se2- atom. In the second O2- site, O2- is bonded in a single-bond geometry to one N+2.33+ atom. In the third O2- site, O2- is bonded in a distorted single-bond geometry to one H1+ and one Se2- atom. In the fourth O2- site, O2- is bonded in a single-bond geometry to one H1+ and one Se2- atom. In the fifth O2- site, O2- is bonded in a water-like geometry to one N+2.33+ and one H1+ atom. In the sixth O2- site, O2- is bonded in a 1-coordinate geometry to two H1+ and one Se2- atom. In the seventh O2- site, O2- is bonded in a single-bond geometry to one Se2- atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on H13Se2N3O8 by Materials Project

(NH4)5NH5Se2O8H(SeO4)2 crystallizes in the triclinic P1 space group. The structure is zero-dimensional and consists of five ammonium molecules, one H(SeO4)2 cluster, and one NH5Se2O8 cluster. In the H(SeO4)2 cluster, H1+ is bonded in a linear geometry to two O2- atoms. There is one shorter (1.09 Å) and one longer (1.41 Å) H–O bond length. There are two inequivalent Se2- sites. In the first Se2- site, Se2- is bonded in a tetrahedral geometry to four O2- atoms. There are a spread of Se–O bond distances ranging from 1.67–1.70 Å. In the second Se2- site, Se2- is bonded in a tetrahedral geometry to four O2- atoms. There is three shorter (1.66 Å) and one longer (1.75 Å) Se–O bond length. There are eight inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted single-bond geometry to one Se2- atom. In the second O2- site, O2- is bonded in a distorted single-bond geometry to one Se2- atom. In the third O2- site, O2- is bonded in a distorted single-bond geometry to one Se2- atom. In the fourth O2- site, O2- is bonded in a single-bond geometry to one Se2- atom. In the fifth O2- site, O2- is bonded in a distorted single-bond geometry to one Se2- atom. In the sixth O2- site, O2- is bonded in a single-bond geometry to one Se2- atom. In the seventh O2- site, O2- is bonded in a water-like geometry to one H1+ and one Se2- atom. In the eighth O2- site, O2- is bonded in a distorted water-like geometry to one H1+ and one Se2- atom. In the NH5Se2O8 cluster, N+2.33+ is bonded in a tetrahedral geometry to four H1+ atoms. There is one shorter (1.03 Å) and three longer (1.05 Å) N–H bond length. There are five inequivalent H1+ sites. In the first H1+ site, H1+ is bonded in a single-bond geometry to one N+2.33+ atom. In the second H1+ site, H1+ is bonded in a single-bond geometry to one N+2.33+ and one O2- atom. The H–O bond length is 1.73 Å. In the third H1+ site, H1+ is bonded in a single-bond geometry to one N+2.33+ atom. In the fourth H1+ site, H1+ is bonded in a single-bond geometry to one N+2.33+ atom. In the fifth H1+ site, H1+ is bonded in a linear geometry to two O2- atoms. There is one shorter (1.08 Å) and one longer (1.42 Å) H–O bond length. There are two inequivalent Se2- sites. In the first Se2- site, Se2- is bonded in a tetrahedral geometry to four O2- atoms. There is three shorter (1.66 Å) and one longer (1.75 Å) Se–O bond length. In the second Se2- site, Se2- is bonded in a tetrahedral geometry to four O2- atoms. There are a spread of Se–O bond distances ranging from 1.67–1.70 Å. There are eight inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted single-bond geometry to one Se2- atom. In the second O2- site, O2- is bonded in a distorted single-bond geometry to one Se2- atom. In the third O2- site, O2- is bonded in a distorted single-bond geometry to one Se2- atom. In the fourth O2- site, O2- is bonded in a single-bond geometry to one Se2- atom. In the fifth O2- site, O2- is bonded in a distorted water-like geometry to one H1+ and one Se2- atom. In the sixth O2- site, O2- is bonded in a water-like geometry to one H1+ and one Se2- atom. In the seventh O2- site, O2- is bonded in a distorted single-bond geometry to one Se2- atom. In the eighth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one H1+ and one Se2- atom.

36 MATERIALS SCIENCE↗