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Materials Data on SrH2(CO2)2 by Materials Project

Sr(HCOO)2 crystallizes in the orthorhombic P2_12_12_1 space group. The structure is three-dimensional. Sr2+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Sr–O bond distances ranging from 2.53–2.73 Å. There are two inequivalent C2+ sites. In the first C2+ site, C2+ is bonded in a trigonal planar geometry to one H1+ and two O2- atoms. The C–H bond length is 1.11 Å. Both C–O bond lengths are 1.27 Å. In the second C2+ site, C2+ is bonded in a trigonal planar geometry to one H1+ and two O2- atoms. The C–H bond length is 1.11 Å. Both C–O bond lengths are 1.27 Å. There are two inequivalent H1+ sites. In the first H1+ site, H1+ is bonded in a single-bond geometry to one C2+ atom. In the second H1+ site, H1+ is bonded in a single-bond geometry to one C2+ atom. There are four inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted single-bond geometry to two equivalent Sr2+ and one C2+ atom. In the second O2- site, O2- is bonded in a distorted single-bond geometry to two equivalent Sr2+ and one C2+ atom. In the third O2- site, O2- is bonded in a distorted single-bond geometry to two equivalent Sr2+ and one C2+ atom. In the fourth O2- site, O2- is bonded in a distorted single-bond geometry to two equivalent Sr2+ and one C2+ atom.

36 MATERIALS SCIENCE↗

Materials Data on SrH6(CO3)2 by Materials Project

SrCH6O5CO crystallizes in the orthorhombic P2_12_12_1 space group. The structure is three-dimensional and consists of four formaldehyde molecules and one SrCH6O5 framework. In the SrCH6O5 framework, Sr2+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of Sr–O bond distances ranging from 2.38–2.65 Å. C2+ is bonded in a trigonal planar geometry to two H1+ and one O2- atom. Both C–H bond lengths are 1.10 Å. The C–O bond length is 1.24 Å. There are six 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 0.97 Å. In the second H1+ site, H1+ is bonded in a single-bond geometry to one C2+ atom. 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. In the fifth H1+ site, H1+ is bonded in a single-bond geometry to one C2+ atom. In the sixth 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 five inequivalent O2- sites. In the first O2- site, O2- is bonded in a single-bond geometry to one Sr2+, one H1+, and one O2- atom. The O–O bond length is 1.48 Å. In the second O2- site, O2- is bonded in a 3-coordinate geometry to two equivalent Sr2+ and one O2- atom. In the third O2- site, O2- is bonded in a distorted single-bond geometry to one Sr2+ and one C2+ atom. In the fourth O2- site, O2- is bonded in a 2-coordinate geometry to one Sr2+ and two H1+ atoms. In the fifth O2- site, O2- is bonded in a water-like geometry to one Sr2+ and two H1+ atoms.

36 MATERIALS SCIENCE↗

Materials Data on SrH6(CO3)2 by Materials Project

SrH6(CO3)2 crystallizes in the orthorhombic P2_12_12_1 space group. The structure is three-dimensional. Sr2+ is bonded in a 7-coordinate geometry to one H1+ and six O2- atoms. The Sr–H bond length is 2.76 Å. There are a spread of Sr–O bond distances ranging from 2.41–2.88 Å. There are two inequivalent C2+ sites. In the first C2+ site, C2+ is bonded in a tetrahedral geometry to two H1+ and two O2- atoms. Both C–H bond lengths are 1.11 Å. There is one shorter (1.36 Å) and one longer (1.51 Å) C–O bond length. In the second C2+ site, C2+ is bonded in a trigonal planar geometry to three O2- atoms. There are a spread of C–O bond distances ranging from 1.24–1.34 Å. There are six inequivalent H1+ sites. In the first H1+ site, H1+ is bonded in a bent 150 degrees geometry to two O2- atoms. There is one shorter (1.05 Å) and one longer (1.54 Å) H–O bond length. In the second H1+ site, H1+ is bonded in a single-bond geometry to one C2+ atom. In the third H1+ site, H1+ is bonded in a single-bond geometry to one C2+ atom. In the fourth H1+ site, H1+ is bonded in a single-bond geometry to one H1+ atom. The H–H bond length is 0.76 Å. In the fifth H1+ site, H1+ is bonded in a distorted single-bond geometry to one Sr2+ and one H1+ atom. In the sixth H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.97 Å. There are six inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted single-bond geometry to one Sr2+, one C2+, and one O2- atom. The O–O bond length is 1.47 Å. In the second O2- site, O2- is bonded in a 1-coordinate geometry to two equivalent Sr2+ and one C2+ atom. In the third O2- site, O2- is bonded in a water-like geometry to one Sr2+ and one O2- atom. In the fourth O2- site, O2- is bonded in a distorted single-bond geometry to one Sr2+ and one C2+ atom. In the fifth O2- site, O2- is bonded in a 3-coordinate geometry to one C2+ and two H1+ atoms. In the sixth O2- site, O2- is bonded in a bent 120 degrees geometry to one Sr2+, one C2+, and one H1+ atom.

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Materials Data on SrH6C4O7 by Materials Project

SrC4H6O7 crystallizes in the monoclinic C2/c space group. The structure is one-dimensional and consists of two SrC4H6O7 ribbons oriented in the (0, 0, 1) direction. Sr2+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Sr–O bond distances ranging from 2.57–2.98 Å. There are two inequivalent C+1.50+ sites. In the first C+1.50+ site, C+1.50+ is bonded in a single-bond geometry to one O2- atom. The C–O bond length is 1.26 Å. In the second C+1.50+ site, C+1.50+ is bonded in a single-bond geometry to one O2- atom. The C–O bond length is 1.26 Å. There are three 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 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. There are four inequivalent O2- sites. In the first O2- site, O2- is bonded in a water-like geometry to one Sr2+ and two H1+ atoms. In the second O2- site, O2- is bonded in a water-like geometry to one Sr2+ and two equivalent H1+ atoms. In the third O2- site, O2- is bonded in a distorted single-bond geometry to two equivalent Sr2+ and one C+1.50+ atom. In the fourth O2- site, O2- is bonded in a distorted single-bond geometry to one Sr2+ and one C+1.50+ atom.

36 MATERIALS SCIENCE↗

Materials Data on SrH3C3O7 by Materials Project

SrC3H3O7 crystallizes in the monoclinic P2_1/c space group. The structure is three-dimensional. Sr2+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Sr–O bond distances ranging from 2.59–3.03 Å. There are three inequivalent C3+ sites. In the first C3+ site, C3+ is bonded in a bent 120 degrees geometry to two O2- atoms. There is one shorter (1.26 Å) and one longer (1.27 Å) C–O bond length. In the second C3+ site, C3+ is bonded in a bent 120 degrees geometry to two O2- atoms. Both C–O bond lengths are 1.27 Å. In the third C3+ site, C3+ is bonded in a bent 120 degrees geometry to two O2- atoms. There is one shorter (1.23 Å) and one longer (1.32 Å) C–O bond length. There are three inequivalent H1+ sites. In the first H1+ site, H1+ is bonded in a single-bond geometry to two O2- atoms. There is one shorter (1.00 Å) and one longer (1.69 Å) H–O bond length. In the second 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 third H1+ site, H1+ is bonded in a linear geometry to two O2- atoms. There is one shorter (1.04 Å) and one longer (1.54 Å) H–O bond length. There are seven inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Sr2+, one C3+, and one H1+ atom. In the second O2- site, O2- is bonded in a water-like geometry to two equivalent Sr2+ and two H1+ atoms. In the third O2- site, O2- is bonded in a distorted single-bond geometry to two equivalent Sr2+ and one C3+ atom. In the fourth O2- site, O2- is bonded in a distorted single-bond geometry to one Sr2+ and one C3+ atom. In the fifth O2- site, O2- is bonded in a distorted single-bond geometry to one Sr2+, one C3+, and one H1+ atom. In the sixth O2- site, O2- is bonded in a distorted single-bond geometry to one Sr2+ and one C3+ atom. In the seventh O2- site, O2- is bonded in a bent 120 degrees geometry to one Sr2+, one C3+, and one H1+ atom.

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Materials Data on SrH2(CO2)2 by Materials Project

Sr(HCOO)2 crystallizes in the tetragonal P4_12_12 space group. The structure is three-dimensional. Sr2+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of Sr–O bond distances ranging from 2.51–2.63 Å. C2+ is bonded in a trigonal planar geometry to one H1+ and two O2- atoms. The C–H bond length is 1.11 Å. There is one shorter (1.26 Å) and one longer (1.28 Å) C–O bond length. H1+ is bonded in a single-bond geometry to one C2+ atom. There are two inequivalent O2- sites. In the first O2- site, O2- is bonded in a 1-coordinate geometry to two equivalent Sr2+ and one C2+ atom. In the second O2- site, O2- is bonded in a distorted single-bond geometry to one Sr2+ and one C2+ atom.

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Materials Data on SrH6(CO3)2 by Materials Project

Computed materials data using density functional theory calculations. These calculations determine the electronic structure of bulk materials by solving approximations to the Schrodinger equation. For more information, see https://materialsproject.org/docs/calculations

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