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All sourcesNASA NTRSDOE OSTI
DOE OSTI2020

Materials Data on SrH4O3 by Materials Project

Sr(OH)2H2O crystallizes in the monoclinic P2_1 space group. The structure is two-dimensional and consists of one Sr(OH)2H2O sheet oriented in the (0, 0, 1) direction. Sr2+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Sr–O bond distances ranging from 2.62–2.81 Å. There are four 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 1.01 Å. In the second H1+ site, H1+ is bonded in a distorted single-bond geometry to one O2- atom. The H–O bond length is 1.02 Å. In the third H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.97 Å. In the fourth H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.98 Å. There are three inequivalent O2- sites. In the first O2- site, O2- is bonded in a water-like geometry to two equivalent Sr2+ and two H1+ atoms. In the second O2- site, O2- is bonded in a distorted single-bond geometry to two equivalent Sr2+ and one H1+ atom. In the third O2- site, O2- is bonded in a single-bond geometry to four equivalent Sr2+ and one H1+ atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on SrH4O3 by Materials Project

Sr(OH)2H2O crystallizes in the triclinic P1 space group. The structure is three-dimensional. there are two inequivalent Sr2+ sites. In the first Sr2+ site, Sr2+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of Sr–O bond distances ranging from 2.53–2.70 Å. In the second Sr2+ site, Sr2+ is bonded in a 4-coordinate geometry to four O2- atoms. There are a spread of Sr–O bond distances ranging from 2.55–2.65 Å. There are eight 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 0.99 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 linear geometry to two O2- atoms. There is one shorter (1.04 Å) and one longer (1.53 Å) H–O bond length. In the fourth H1+ site, H1+ is bonded in a distorted single-bond geometry to one O2- atom. The H–O bond length is 1.02 Å. In the fifth H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.97 Å. In the sixth 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 seventh H1+ site, H1+ is bonded in a distorted bent 150 degrees geometry to two O2- atoms. There is one shorter (1.06 Å) and one longer (1.51 Å) H–O bond length. In the eighth H1+ site, H1+ is bonded in a 1-coordinate geometry to two O2- atoms. There is one shorter (1.03 Å) and one longer (1.59 Å) H–O bond length. There are six inequivalent O2- sites. In the first O2- site, O2- is bonded in a 1-coordinate geometry to two Sr2+ and two H1+ atoms. In the second O2- site, O2- is bonded in a water-like geometry to two Sr2+ and two H1+ atoms. In the third O2- site, O2- is bonded in a 2-coordinate geometry to two equivalent Sr2+ and two H1+ atoms. In the fourth O2- site, O2- is bonded in a 1-coordinate geometry to one Sr2+ and two H1+ atoms. In the fifth O2- site, O2- is bonded in a single-bond geometry to two equivalent Sr2+ and one H1+ atom. In the sixth O2- site, O2- is bonded in a distorted water-like geometry to one Sr2+ and two H1+ atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on SrH4O3 by Materials Project

Sr(OH)2H2O crystallizes in the triclinic P1 space group. The structure is three-dimensional. there are two inequivalent Sr2+ sites. In the first Sr2+ site, Sr2+ is bonded in a 7-coordinate geometry to seven O2- atoms. There are a spread of Sr–O bond distances ranging from 2.55–2.75 Å. In the second Sr2+ site, Sr2+ is bonded in a 7-coordinate geometry to one H1+ and eight O2- atoms. The Sr–H bond length is 2.64 Å. There are a spread of Sr–O bond distances ranging from 2.54–3.11 Å. There are eight inequivalent H1+ sites. In the first H1+ site, H1+ is bonded in a distorted single-bond geometry to one O2- atom. The H–O bond length is 1.02 Å. In the second H1+ site, H1+ is bonded in a 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 third 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 fourth 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 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 single-bond geometry to one O2- atom. The H–O bond length is 0.98 Å. In the seventh 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 eighth H1+ site, H1+ is bonded in a single-bond geometry to one Sr2+ and one O2- atom. The H–O bond length is 0.98 Å. There are six inequivalent O2- sites. In the first O2- site, O2- is bonded in a water-like geometry to two Sr2+ and two H1+ atoms. In the second O2- site, O2- is bonded in a 2-coordinate geometry to two Sr2+ and two H1+ atoms. In the third O2- site, O2- is bonded in a 1-coordinate geometry to two equivalent Sr2+ and two H1+ atoms. In the fourth O2- site, O2- is bonded in a distorted water-like geometry to two equivalent Sr2+ and two H1+ atoms. In the fifth O2- site, O2- is bonded in a single-bond geometry to four Sr2+ and one H1+ atom. In the sixth O2- site, O2- is bonded in a single-bond geometry to three Sr2+ and one H1+ atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Sr(H8O5)2 by Materials Project

Sr(H8O5)2 crystallizes in the monoclinic Cc space group. The structure is two-dimensional and consists of two Sr(H8O5)2 sheets oriented in the (0, 0, 1) direction. Sr is bonded in a 7-coordinate geometry to seven O atoms. There are a spread of Sr–O bond distances ranging from 2.51–2.75 Å. There are sixteen inequivalent H sites. In the first H site, H is bonded in a single-bond geometry to one O atom. The H–O bond length is 1.00 Å. In the second H site, H is bonded in a single-bond geometry to one O atom. The H–O bond length is 0.99 Å. In the third H site, H is bonded in a linear geometry to two O atoms. There is one shorter (1.06 Å) and one longer (1.46 Å) H–O bond length. In the fourth H site, H is bonded in a single-bond geometry to one O atom. The H–O bond length is 0.99 Å. In the fifth H site, H is bonded in a single-bond geometry to one O atom. The H–O bond length is 0.99 Å. In the sixth H site, H is bonded in a linear geometry to two O atoms. There is one shorter (1.05 Å) and one longer (1.54 Å) H–O bond length. In the seventh H site, H is bonded in a single-bond geometry to one O atom. The H–O bond length is 1.00 Å. In the eighth H site, H is bonded in a linear geometry to two O atoms. There is one shorter (1.04 Å) and one longer (1.56 Å) H–O bond length. In the ninth H site, H is bonded in a single-bond geometry to one O atom. The H–O bond length is 0.98 Å. In the tenth H site, H is bonded in a distorted single-bond geometry to two O atoms. There is one shorter (1.02 Å) and one longer (1.64 Å) H–O bond length. In the eleventh H site, H is bonded in a distorted linear geometry to two O atoms. There is one shorter (1.03 Å) and one longer (1.60 Å) H–O bond length. In the twelfth H site, H is bonded in a single-bond geometry to one O atom. The H–O bond length is 0.97 Å. In the thirteenth H site, H is bonded in a distorted single-bond geometry to two O atoms. There is one shorter (1.01 Å) and one longer (1.65 Å) H–O bond length. In the fourteenth H site, H is bonded in a single-bond geometry to one O atom. The H–O bond length is 1.00 Å. In the fifteenth H site, H is bonded in a single-bond geometry to one O atom. The H–O bond length is 0.97 Å. In the sixteenth H site, H is bonded in a linear geometry to two O atoms. There is one shorter (1.04 Å) and one longer (1.54 Å) H–O bond length. There are ten inequivalent O sites. In the first O site, O is bonded in a 4-coordinate geometry to three H and one O atom. The O–O bond length is 1.49 Å. In the second O site, O is bonded in a 5-coordinate geometry to four H and one O atom. In the third O site, O is bonded in a distorted water-like geometry to one Sr and two H atoms. In the fourth O site, O is bonded in a distorted water-like geometry to one Sr and two H atoms. In the fifth O site, O is bonded in a water-like geometry to one Sr and two H atoms. In the sixth O site, O is bonded in a water-like geometry to one Sr and two H atoms. In the seventh O site, O is bonded in a water-like geometry to two H atoms. In the eighth O site, O is bonded in a distorted water-like geometry to one Sr and two H atoms. In the ninth O site, O is bonded in a water-like geometry to one Sr and two H atoms. In the tenth O site, O is bonded in a water-like geometry to one Sr and two H atoms.

36 MATERIALS SCIENCE↗