Search NASA⌕ Search

SEARCH · Search NASA

Results for “tetrahedral”

Search indexed NASA NTRS and DOE OSTI research on propulsion, heat transfer, battery materials and energy systems. Follow report and document links to the original sources.

Quote a phrase for an exact phrase match. Source license links do not imply unrestricted reuse.

At least 649 records · Page 36

Materials Data on KEr(SO4)2 by Materials Project

KEr(SO4)2 crystallizes in the monoclinic P2_1/c space group. The structure is three-dimensional. K1+ is bonded in a 1-coordinate geometry to nine O2- atoms. There are a spread of K–O bond distances ranging from 2.63–3.34 Å. Er3+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Er–O bond distances ranging from 2.23–2.53 Å. There are two inequivalent S6+ sites. In the first S6+ site, S6+ is bonded in a tetrahedral geometry to four O2- atoms. There is two shorter (1.48 Å) and two longer (1.49 Å) S–O bond length. 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 1.48–1.51 Å. There are eight inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted single-bond geometry to one K1+, one Er3+, and one S6+ atom. In the second O2- site, O2- is bonded in a 2-coordinate geometry to one K1+, one Er3+, and one S6+ atom. In the third O2- site, O2- is bonded in a 1-coordinate geometry to two equivalent K1+, one Er3+, and one S6+ atom. In the fourth O2- site, O2- is bonded in a 1-coordinate geometry to two equivalent K1+, one Er3+, and one S6+ atom. In the fifth O2- site, O2- is bonded in a distorted single-bond geometry to two equivalent K1+, one Er3+, and one S6+ atom. In the sixth O2- site, O2- is bonded in a distorted linear geometry to one Er3+ and one S6+ atom. In the seventh O2- site, O2- is bonded in a bent 150 degrees geometry to one Er3+ and one S6+ atom. In the eighth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one K1+, one Er3+, and one S6+ atom.

36 MATERIALS SCIENCE↗

Materials Data on LiCo(CO)4 by Materials Project

LiCo(CO)4 crystallizes in the cubic P-43m space group. The structure is three-dimensional. Li1+ is bonded in a tetrahedral geometry to four equivalent O2- atoms. All Li–O bond lengths are 1.97 Å. Co1+ is bonded in a tetrahedral geometry to four equivalent C+1.50+ atoms. All Co–C bond lengths are 1.73 Å. C+1.50+ is bonded in a linear geometry to one Co1+ and one O2- atom. The C–O bond length is 1.18 Å. O2- is bonded in a linear geometry to one Li1+ and one C+1.50+ atom.

36 MATERIALS SCIENCE↗

Materials Data on K3Ce(PS4)2 by Materials Project

K3Ce(PS4)2 crystallizes in the monoclinic P2_1/c space group. The structure is three-dimensional. there are three inequivalent K1+ sites. In the first K1+ site, K1+ is bonded in a 9-coordinate geometry to nine S2- atoms. There are a spread of K–S bond distances ranging from 3.23–3.86 Å. In the second K1+ site, K1+ is bonded in a 7-coordinate geometry to seven S2- atoms. There are a spread of K–S bond distances ranging from 3.31–3.65 Å. In the third K1+ site, K1+ is bonded in a 8-coordinate geometry to eight S2- atoms. There are a spread of K–S bond distances ranging from 3.19–3.72 Å. Ce3+ is bonded in a 9-coordinate geometry to nine S2- atoms. There are a spread of Ce–S bond distances ranging from 2.89–3.34 Å. There are two inequivalent P5+ sites. In the first P5+ site, P5+ is bonded in a tetrahedral geometry to four S2- atoms. There are a spread of P–S bond distances ranging from 2.02–2.08 Å. In the second P5+ site, P5+ is bonded in a tetrahedral geometry to four S2- atoms. There are a spread of P–S bond distances ranging from 2.02–2.07 Å. There are eight inequivalent S2- sites. In the first S2- site, S2- is bonded in a 4-coordinate geometry to four K1+ and one P5+ atom. In the second S2- site, S2- is bonded in a 5-coordinate geometry to two K1+, two equivalent Ce3+, and one P5+ atom. In the third S2- site, S2- is bonded in a 5-coordinate geometry to three K1+, one Ce3+, and one P5+ atom. In the fourth S2- site, S2- is bonded to four K1+ and one P5+ atom to form distorted edge-sharing SK4P square pyramids. In the fifth S2- site, S2- is bonded in a 1-coordinate geometry to two K1+, two equivalent Ce3+, and one P5+ atom. In the sixth S2- site, S2- is bonded in a 1-coordinate geometry to three K1+, one Ce3+, and one P5+ atom. In the seventh S2- site, S2- is bonded in a 5-coordinate geometry to three K1+, one Ce3+, and one P5+ atom. In the eighth S2- site, S2- is bonded in a 1-coordinate geometry to three K1+, two equivalent Ce3+, and one P5+ atom.

36 MATERIALS SCIENCE↗

Materials Data on Ce(SeO4)2 by Materials Project

Ce(SeO4)2 crystallizes in the orthorhombic Pbca space group. The structure is three-dimensional. Ce4+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Ce–O bond distances ranging from 2.30–2.47 Å. 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 1.66–1.68 Å. In the second Se6+ site, Se6+ is bonded in a tetrahedral geometry to four O2- atoms. There is one shorter (1.66 Å) and three longer (1.67 Å) Se–O bond length. There are eight inequivalent O2- sites. In the first O2- site, O2- is bonded in a 2-coordinate geometry to one Ce4+ and one Se6+ atom. In the second O2- site, O2- is bonded in a 2-coordinate geometry to one Ce4+ and one Se6+ atom. In the third O2- site, O2- is bonded in a bent 150 degrees geometry to one Ce4+ and one Se6+ atom. In the fourth O2- site, O2- is bonded in a bent 150 degrees geometry to one Ce4+ and one Se6+ atom. In the fifth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Ce4+ and one Se6+ atom. In the sixth O2- site, O2- is bonded in a bent 150 degrees geometry to one Ce4+ and one Se6+ atom. In the seventh O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Ce4+ and one Se6+ atom. In the eighth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Ce4+ and one Se6+ atom.

36 MATERIALS SCIENCE↗

Materials Data on Ce(SO4)2 by Materials Project

Ce(SO4)2 crystallizes in the orthorhombic Pbca space group. The structure is three-dimensional. Ce4+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Ce–O bond distances ranging from 2.30–2.47 Å. There are two inequivalent S6+ sites. In the first S6+ site, S6+ is bonded in a tetrahedral geometry to four O2- atoms. There is three shorter (1.48 Å) and one longer (1.49 Å) S–O bond length. In the second S6+ site, S6+ is bonded in a tetrahedral geometry to four O2- atoms. There is two shorter (1.48 Å) and two longer (1.49 Å) S–O bond length. There are eight inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted linear geometry to one Ce4+ and one S6+ atom. In the second O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Ce4+ and one S6+ atom. In the third O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Ce4+ and one S6+ atom. In the fourth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Ce4+ and one S6+ atom. In the fifth O2- site, O2- is bonded in a 1-coordinate geometry to one Ce4+ and one S6+ atom. In the sixth O2- site, O2- is bonded in a distorted single-bond geometry to one Ce4+ and one S6+ atom. In the seventh O2- site, O2- is bonded in a 2-coordinate geometry to one Ce4+ and one S6+ atom. In the eighth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Ce4+ and one S6+ atom.

36 MATERIALS SCIENCE↗

Materials Data on UP2(PbO5)2 by Materials Project

UP2(PbO5)2 crystallizes in the triclinic P-1 space group. The structure is three-dimensional. U6+ is bonded in a 7-coordinate geometry to seven O2- atoms. There are a spread of U–O bond distances ranging from 1.82–2.60 Å. There are two inequivalent Pb2+ sites. In the first Pb2+ site, Pb2+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of Pb–O bond distances ranging from 2.34–3.20 Å. In the second Pb2+ site, Pb2+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Pb–O bond distances ranging from 2.39–3.21 Å. There are two inequivalent P5+ sites. In the first P5+ site, P5+ is bonded in a tetrahedral geometry to four O2- atoms. There is two shorter (1.55 Å) and two longer (1.56 Å) P–O bond length. In the second P5+ site, P5+ is bonded in a tetrahedral geometry to four O2- atoms. There is two shorter (1.54 Å) and two longer (1.57 Å) P–O bond length. There are ten inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted single-bond geometry to three Pb2+ and one P5+ atom. In the second O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one U6+ and one P5+ atom. In the third O2- site, O2- is bonded in a single-bond geometry to one U6+ and one Pb2+ atom. In the fourth O2- site, O2- is bonded in a 1-coordinate geometry to two equivalent U6+ and one P5+ atom. In the fifth O2- site, O2- is bonded in a distorted single-bond geometry to two Pb2+ and one P5+ atom. In the sixth O2- site, O2- is bonded in a distorted single-bond geometry to two Pb2+ and one P5+ atom. In the seventh O2- site, O2- is bonded in a distorted single-bond geometry to two equivalent Pb2+ and one P5+ atom. In the eighth O2- site, O2- is bonded in a single-bond geometry to one U6+ and two Pb2+ atoms. In the ninth O2- site, O2- is bonded in a distorted single-bond geometry to one U6+, two Pb2+, and one P5+ atom. In the tenth O2- site, O2- is bonded in a 1-coordinate geometry to one U6+, one Pb2+, and one P5+ atom.

36 MATERIALS SCIENCE↗

Materials Data on SIO3F by Materials Project

SO3IF crystallizes in the orthorhombic P2_12_12_1 space group. The structure is zero-dimensional and consists of four SO3IF clusters. there are two inequivalent S2+ sites. In the first S2+ site, S2+ is bonded in a tetrahedral geometry to three O2- and one F1- atom. There are a spread of S–O bond distances ranging from 1.44–1.50 Å. The S–F bond length is 1.60 Å. In the second S2+ site, S2+ is bonded in a tetrahedral geometry to three O2- and one F1- atom. There is two shorter (1.43 Å) and one longer (1.56 Å) S–O bond length. The S–F bond length is 1.60 Å. There are six inequivalent O2- sites. In the first O2- site, O2- is bonded in a single-bond geometry to one S2+ atom. In the second O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one S2+ and one I5+ atom. The O–I bond length is 2.13 Å. In the third O2- site, O2- is bonded in a single-bond geometry to one S2+ atom. In the fourth O2- site, O2- is bonded in a distorted single-bond geometry to one S2+ and one I5+ atom. The O–I bond length is 2.62 Å. In the fifth O2- site, O2- is bonded in a single-bond geometry to one S2+ atom. In the sixth O2- site, O2- is bonded in a distorted single-bond geometry to one S2+ and one I5+ atom. The O–I bond length is 2.33 Å. There are two inequivalent I5+ sites. In the first I5+ site, I5+ is bonded in a distorted single-bond geometry to one O2- atom. In the second I5+ site, I5+ is bonded in a linear geometry to two O2- atoms. There are two inequivalent F1- sites. In the first F1- site, F1- is bonded in a single-bond geometry to one S2+ atom. In the second F1- site, F1- is bonded in a single-bond geometry to one S2+ atom.

36 MATERIALS SCIENCE↗

Materials Data on KHSO4 by Materials Project

KHSO4 crystallizes in the orthorhombic Pbca space group. The structure is three-dimensional. there are two inequivalent K1+ sites. In the first K1+ site, K1+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of K–O bond distances ranging from 2.79–3.11 Å. In the second K1+ site, K1+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of K–O bond distances ranging from 2.79–3.08 Å. There are two inequivalent H1+ sites. In the first H1+ site, H1+ is bonded in a linear geometry to two O2- atoms. There is one shorter (1.03 Å) and one longer (1.53 Å) H–O bond length. In the second H1+ site, H1+ is bonded in a linear geometry to two O2- atoms. There is one shorter (1.02 Å) and one longer (1.59 Å) H–O bond length. There are two 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 1.46–1.60 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 1.46–1.60 Å. There are eight inequivalent O2- sites. In the first O2- site, O2- is bonded in a 2-coordinate geometry to two K1+, one H1+, and one S6+ atom. In the second O2- site, O2- is bonded in a 4-coordinate geometry to two K1+, one H1+, and one S6+ atom. In the third O2- site, O2- is bonded in a distorted bent 120 degrees geometry to two K1+, one H1+, and one S6+ atom. In the fourth O2- site, O2- is bonded in a 2-coordinate geometry to two K1+, one H1+, and one S6+ atom. In the fifth O2- site, O2- is bonded in a distorted single-bond geometry to two K1+ and one S6+ atom. In the sixth O2- site, O2- is bonded in a distorted single-bond geometry to three K1+ and one S6+ atom. In the seventh O2- site, O2- is bonded in a distorted single-bond geometry to two K1+ and one S6+ atom. In the eighth O2- site, O2- is bonded in a distorted single-bond geometry to three K1+ and one S6+ atom.

36 MATERIALS SCIENCE↗

Materials Data on BaAsHO4 by Materials Project

Ba(AsO3OH) crystallizes in the orthorhombic Pbca space group. The structure is three-dimensional. there are two inequivalent Ba2+ sites. In the first Ba2+ site, Ba2+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Ba–O bond distances ranging from 2.76–3.04 Å. In the second Ba2+ site, Ba2+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Ba–O bond distances ranging from 2.69–3.13 Å. There are two inequivalent As5+ sites. In the first As5+ site, As5+ is bonded in a tetrahedral geometry to four O2- atoms. There are a spread of As–O bond distances ranging from 1.70–1.80 Å. In the second As5+ site, As5+ is bonded in a tetrahedral geometry to four O2- atoms. There are a spread of As–O bond distances ranging from 1.71–1.79 Å. There are two inequivalent H1+ sites. In the first H1+ site, H1+ is bonded in a linear geometry to two O2- atoms. There is one shorter (1.04 Å) and one longer (1.50 Å) H–O bond length. 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. There are eight inequivalent O2- sites. In the first O2- site, O2- is bonded in a 2-coordinate geometry to two Ba2+, one As5+, and one H1+ atom. In the second O2- site, O2- is bonded in a distorted single-bond geometry to three Ba2+ and one As5+ atom. In the third O2- site, O2- is bonded in a distorted trigonal planar geometry to two Ba2+ and one As5+ atom. In the fourth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to two Ba2+, one As5+, and one H1+ atom. In the fifth O2- site, O2- is bonded in a 1-coordinate geometry to two Ba2+ and one As5+ atom. In the sixth O2- site, O2- is bonded in a 2-coordinate geometry to two Ba2+, one As5+, and one H1+ atom. In the seventh O2- site, O2- is bonded in a 2-coordinate geometry to two Ba2+, one As5+, and one H1+ atom. In the eighth O2- site, O2- is bonded in a distorted single-bond geometry to three Ba2+ and one As5+ atom.

36 MATERIALS SCIENCE↗

Materials Data on BeH8SO8 by Materials Project

BeH8SO8 crystallizes in the tetragonal I-4c2 space group. The structure is three-dimensional. Be2+ is bonded in a tetrahedral geometry to four equivalent O2- atoms. All Be–O bond lengths are 1.62 Å. There are two 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 (1.72 Å) H–O bond length. In the second H1+ site, H1+ is bonded in a distorted linear geometry to two O2- atoms. There is one shorter (1.01 Å) and one longer (1.62 Å) H–O bond length. S6+ is bonded in a tetrahedral geometry to four equivalent O2- atoms. All S–O bond lengths are 1.49 Å. There are two inequivalent O2- sites. In the first O2- site, O2- is bonded in a 3-coordinate geometry to two H1+ and one S6+ atom. In the second O2- site, O2- is bonded in a trigonal planar geometry to one Be2+ and two H1+ atoms.

36 MATERIALS SCIENCE↗

Materials Data on AgH5S2O9 by Materials Project

AgH5S2O9 crystallizes in the monoclinic P2_1/c space group. The structure is three-dimensional. Ag1+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of Ag–O bond distances ranging from 2.41–2.79 Å. There are five inequivalent H1+ sites. In the first 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 second H1+ site, H1+ is bonded in a linear geometry to two O2- atoms. There is one shorter (1.02 Å) and one longer (1.55 Å) H–O bond length. In the third 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 fourth H1+ site, H1+ is bonded in a 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 fifth H1+ site, H1+ is bonded in a distorted linear geometry to two O2- atoms. There is one shorter (1.02 Å) and one longer (1.63 Å) H–O bond length. There are two 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 1.46–1.57 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. There are nine inequivalent O2- sites. In the first O2- site, O2- is bonded in a trigonal non-coplanar geometry to three H1+ atoms. In the second O2- site, O2- is bonded in a distorted single-bond geometry to one Ag1+ and one S6+ atom. In the third O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one H1+ and one S6+ atom. In the fourth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Ag1+, one H1+, and one S6+ atom. In the fifth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Ag1+ and one S6+ atom. In the sixth O2- site, O2- is bonded in a trigonal planar geometry to two H1+ and one S6+ atom. In the seventh O2- site, O2- is bonded in a 3-coordinate geometry to one Ag1+, one H1+, and one S6+ atom. In the eighth O2- site, O2- is bonded in a 2-coordinate geometry to one Ag1+, one H1+, and one S6+ atom. In the ninth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Ag1+, one H1+, and one S6+ atom.

36 MATERIALS SCIENCE↗

Materials Data on BH3NF3 by Materials Project

BNH3F3 is Silicon tetrafluoride-derived structured and crystallizes in the orthorhombic Pbca space group. The structure is zero-dimensional and consists of eight BNH3F3 clusters. B3+ is bonded in a tetrahedral geometry to one N3- and three F1- atoms. The B–N bond length is 1.59 Å. All B–F bond lengths are 1.41 Å. N3- is bonded in a tetrahedral geometry to one B3+ and three H1+ atoms. All N–H bond lengths are 1.03 Å. There are three inequivalent H1+ sites. In the first H1+ site, H1+ is bonded in a single-bond geometry to one N3- atom. In the second H1+ site, H1+ is bonded in a single-bond geometry to one N3- atom. In the third H1+ site, H1+ is bonded in a single-bond geometry to one N3- atom. There are three inequivalent F1- sites. In the first F1- site, F1- is bonded in a single-bond geometry to one B3+ atom. In the second F1- site, F1- is bonded in a single-bond geometry to one B3+ atom. In the third F1- site, F1- is bonded in a single-bond geometry to one B3+ atom.

36 MATERIALS SCIENCE↗

Materials Data on KP(HO2)2 by Materials Project

KH2PO4 crystallizes in the triclinic P-1 space group. The structure is three-dimensional. there are two inequivalent K1+ sites. In the first K1+ site, K1+ is bonded in a 2-coordinate geometry to one H1+ and nine O2- atoms. The K–H bond length is 2.93 Å. There are a spread of K–O bond distances ranging from 2.70–3.34 Å. In the second K1+ site, K1+ is bonded in a 7-coordinate geometry to seven O2- atoms. There are a spread of K–O bond distances ranging from 2.76–3.06 Å. There are two inequivalent P5+ sites. In the first P5+ site, P5+ is bonded in a tetrahedral geometry to four O2- atoms. There are a spread of P–O bond distances ranging from 1.51–1.59 Å. In the second P5+ site, P5+ is bonded in a tetrahedral geometry to four O2- atoms. There are a spread of P–O bond distances ranging from 1.51–1.61 Å. There are five inequivalent H1+ sites. In the first H1+ site, H1+ is bonded in a linear geometry to two O2- atoms. There is one shorter (1.02 Å) and one longer (1.55 Å) H–O bond length. In the second H1+ site, H1+ is bonded in a linear geometry to one K1+ and two O2- atoms. There is one shorter (1.05 Å) and one longer (1.46 Å) H–O bond length. In the third H1+ site, H1+ is bonded in a linear geometry to two O2- atoms. There is one shorter (1.05 Å) and one longer (1.47 Å) H–O bond length. In the fourth H1+ site, H1+ is bonded in a linear geometry to two equivalent O2- atoms. Both H–O bond lengths are 1.21 Å. In the fifth H1+ site, H1+ is bonded in a linear geometry to two equivalent O2- atoms. Both H–O bond lengths are 1.21 Å. There are eight inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted bent 120 degrees geometry to two K1+, one P5+, and one H1+ atom. In the second O2- site, O2- is bonded in a 2-coordinate geometry to two K1+, one P5+, and one H1+ atom. In the third O2- site, O2- is bonded in a distorted single-bond geometry to three K1+ and one P5+ atom. In the fourth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to two K1+, one P5+, and one H1+ atom. In the fifth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to two K1+, one P5+, and one H1+ atom. In the sixth O2- site, O2- is bonded in a trigonal planar geometry to one K1+, one P5+, and two H1+ atoms. In the seventh O2- site, O2- is bonded in a distorted bent 120 degrees geometry to two K1+, one P5+, and one H1+ atom. In the eighth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to two K1+, one P5+, and one H1+ atom.

36 MATERIALS SCIENCE↗

Materials Data on Mg3P4H48(NO15)2 by Materials Project

Mg3P4(H4O3)10(NH4)2 crystallizes in the monoclinic C2/m space group. The structure is three-dimensional and consists of four ammonium molecules and one Mg3P4(H4O3)10 framework. In the Mg3P4(H4O3)10 framework, there are two inequivalent Mg sites. In the first Mg site, Mg is bonded in an octahedral geometry to six O atoms. There are two shorter (2.09 Å) and four longer (2.10 Å) Mg–O bond lengths. In the second Mg site, Mg is bonded in an octahedral geometry to six O atoms. There are a spread of Mg–O bond distances ranging from 2.08–2.16 Å. There are two inequivalent P sites. In the first P site, P is bonded in a distorted tetrahedral geometry to one H and three O atoms. The P–H bond length is 1.41 Å. All P–O bond lengths are 1.55 Å. In the second P site, P is bonded in a distorted tetrahedral geometry to one H and three O atoms. The P–H bond length is 1.41 Å. All P–O bond lengths are 1.55 Å. There are twelve inequivalent H sites. In the first H site, H is bonded in a distorted single-bond geometry to two O atoms. There is one shorter (1.00 Å) and one longer (1.69 Å) H–O bond length. In the second H site, H is bonded in a single-bond geometry to two O atoms. There is one shorter (0.99 Å) and one longer (1.72 Å) H–O bond length. In the third H site, H is bonded in a single-bond geometry to two O atoms. There is one shorter (1.00 Å) and one longer (1.73 Å) H–O bond length. In the fourth H site, H is bonded in a distorted single-bond geometry to two O atoms. There is one shorter (1.00 Å) and one longer (1.68 Å) H–O bond length. In the fifth H site, H is bonded in a single-bond geometry to two O atoms. There is one shorter (1.00 Å) and one longer (1.74 Å) H–O bond length. In the sixth H site, H is bonded in a single-bond geometry to one O atom. The H–O bond length is 1.01 Å. In the seventh H site, H is bonded in a distorted single-bond geometry to two O atoms. There is one shorter (1.00 Å) and one longer (1.69 Å) H–O bond length. In the eighth 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 ninth H site, H is bonded in a single-bond geometry to two O atoms. There is one shorter (1.00 Å) and one longer (1.73 Å) H–O bond length. In the tenth H site, H is bonded in a single-bond geometry to one P atom. In the eleventh H site, H is bonded in a single-bond geometry to one P atom. In the twelfth 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 (1.68 Å) H–O bond length. There are ten inequivalent O sites. In the first O site, O is bonded in a distorted water-like geometry to one Mg and two equivalent H atoms. In the second O site, O is bonded in a 1-coordinate geometry to one P and three H atoms. In the third O site, O is bonded in a distorted single-bond geometry to one P atom. In the fourth O site, O is bonded in a distorted single-bond geometry to one P and three H atoms. In the fifth O site, O is bonded in a 1-coordinate geometry to one P and three H atoms. In the sixth O site, O is bonded in a distorted trigonal planar geometry to one Mg and two equivalent H atoms. In the seventh O site, O is bonded in a distorted water-like geometry to one Mg and two H atoms. In the eighth O site, O is bonded in a distorted water-like geometry to one Mg and two H atoms. In the ninth O site, O is bonded in a distorted trigonal planar geometry to one Mg and two H atoms. In the tenth O site, O is bonded in a distorted water-like geometry to one Mg and two H atoms.

36 MATERIALS SCIENCE↗

Materials Data on CaP2(HO2)4 by Materials Project

Ca(H2PO4)2 crystallizes in the triclinic P-1 space group. The structure is three-dimensional. Ca2+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Ca–O bond distances ranging from 2.38–3.03 Å. There are two inequivalent P5+ sites. In the first P5+ site, P5+ is bonded in a tetrahedral geometry to four O2- atoms. There are a spread of P–O bond distances ranging from 1.52–1.61 Å. In the second P5+ site, P5+ is bonded in a tetrahedral geometry to four O2- atoms. There are a spread of P–O bond distances ranging from 1.52–1.60 Å. There are five inequivalent H1+ sites. In the first H1+ site, H1+ is bonded in a linear geometry to two equivalent O2- atoms. Both H–O bond lengths are 1.20 Å. In the second H1+ site, H1+ is bonded in a linear geometry to two equivalent O2- atoms. Both H–O bond lengths are 1.21 Å. In the third 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 fourth 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 fifth H1+ site, H1+ is bonded in a linear geometry to two O2- atoms. There is one shorter (1.02 Å) and one longer (1.58 Å) H–O bond length. There are eight inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one P5+ and one H1+ atom. In the second O2- site, O2- is bonded in a distorted trigonal planar geometry to one Ca2+, one P5+, and one H1+ atom. In the third O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Ca2+, one P5+, and one H1+ atom. In the fourth O2- site, O2- is bonded in a 1-coordinate geometry to two equivalent Ca2+ and one P5+ atom. In the fifth O2- site, O2- is bonded in a 1-coordinate geometry to two equivalent Ca2+ and one P5+ atom. In the sixth O2- site, O2- is bonded in a trigonal planar geometry to one P5+ and two H1+ atoms. In the seventh O2- site, O2- is bonded in a distorted trigonal planar geometry to one Ca2+, one P5+, and one H1+ atom. In the eighth O2- site, O2- is bonded in a distorted water-like geometry to one Ca2+, one P5+, and one H1+ atom.

36 MATERIALS SCIENCE↗

Materials Data on CaAs2(HO2)4 by Materials Project

CaAs2(HO2)4 crystallizes in the triclinic P-1 space group. The structure is three-dimensional. Ca2+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Ca–O bond distances ranging from 2.38–2.96 Å. There are two inequivalent As5+ sites. In the first As5+ site, As5+ is bonded in a tetrahedral geometry to four O2- atoms. There are a spread of As–O bond distances ranging from 1.69–1.78 Å. In the second As5+ site, As5+ is bonded in a tetrahedral geometry to four O2- atoms. There are a spread of As–O bond distances ranging from 1.69–1.77 Å. There are five inequivalent H1+ sites. In the first H1+ site, H1+ is bonded in a linear geometry to two equivalent O2- atoms. Both H–O bond lengths are 1.21 Å. In the second H1+ site, H1+ is bonded in a linear geometry to two equivalent O2- atoms. Both H–O bond lengths are 1.21 Å. In the third 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 fourth H1+ site, H1+ is bonded in a distorted linear geometry to two O2- atoms. There is one shorter (1.02 Å) and one longer (1.63 Å) H–O bond length. In the fifth H1+ site, H1+ is bonded in a linear geometry to two O2- atoms. There is one shorter (1.02 Å) and one longer (1.62 Å) H–O bond length. There are eight inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted trigonal non-coplanar geometry to two equivalent Ca2+ and one As5+ atom. In the second O2- site, O2- is bonded in a 2-coordinate geometry to one Ca2+, one As5+, and one H1+ atom. In the third O2- site, O2- is bonded in a distorted water-like geometry to one As5+ and one H1+ atom. In the fourth O2- site, O2- is bonded in a distorted trigonal planar geometry to one Ca2+, one As5+, and one H1+ atom. In the fifth O2- site, O2- is bonded in a distorted trigonal planar geometry to one Ca2+, one As5+, and one H1+ atom. In the sixth O2- site, O2- is bonded in a distorted trigonal planar geometry to two equivalent Ca2+ and one As5+ atom. In the seventh O2- site, O2- is bonded in a distorted water-like geometry to one Ca2+, one As5+, and one H1+ atom. In the eighth O2- site, O2- is bonded in a trigonal planar geometry to one As5+ and two H1+ atoms.

36 MATERIALS SCIENCE↗

Materials Data on RbGdH2S2O9 by Materials Project

RbGdH2S2O9 crystallizes in the monoclinic P2_1/c space group. The structure is three-dimensional. Rb1+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Rb–O bond distances ranging from 2.98–3.17 Å. Gd3+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Gd–O bond distances ranging from 2.32–2.54 Å. There are two 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 1.00 Å. There are two 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 1.47–1.50 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 1.48–1.50 Å. There are nine inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted single-bond geometry to one Rb1+, one Gd3+, and one S6+ atom. In the second O2- site, O2- is bonded in a 1-coordinate geometry to one Rb1+, one Gd3+, and one S6+ atom. In the third O2- site, O2- is bonded in a distorted single-bond geometry to one Rb1+, one Gd3+, and one S6+ atom. In the fourth O2- site, O2- is bonded in a distorted single-bond geometry to one Rb1+, one Gd3+, and one S6+ atom. In the fifth O2- site, O2- is bonded in a 1-coordinate geometry to one Rb1+, one Gd3+, and one S6+ atom. In the sixth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Rb1+, one Gd3+, and one S6+ atom. In the seventh O2- site, O2- is bonded in a water-like geometry to one Rb1+, one Gd3+, and two H1+ atoms. In the eighth O2- site, O2- is bonded in a distorted single-bond geometry to one Rb1+ and one S6+ atom. In the ninth O2- site, O2- is bonded in a 1-coordinate geometry to one Rb1+, one Gd3+, and one S6+ atom.

36 MATERIALS SCIENCE↗

Materials Data on PH5NO3F by Materials Project

NH4PHO3F crystallizes in the triclinic P-1 space group. The structure is zero-dimensional and consists of four ammonium molecules and one PHO3F cluster. In the PHO3F cluster, there are two inequivalent P5+ sites. In the first P5+ site, P5+ is bonded in a tetrahedral geometry to three O2- and one F1- atom. There is two shorter (1.51 Å) and one longer (1.57 Å) P–O bond length. The P–F bond length is 1.61 Å. In the second P5+ site, P5+ is bonded in a tetrahedral geometry to three O2- and one F1- atom. There is two shorter (1.51 Å) and one longer (1.57 Å) P–O bond length. The P–F bond length is 1.61 Å. There are two inequivalent H1+ sites. In the first H1+ site, H1+ is bonded in a 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 second H1+ site, H1+ is bonded in a linear geometry to two O2- atoms. There is one shorter (1.03 Å) and one longer (1.53 Å) H–O bond length. There are six inequivalent O2- sites. In the first O2- site, O2- is bonded in a bent 120 degrees geometry to one P5+ and one H1+ atom. In the second O2- site, O2- is bonded in a single-bond geometry to one P5+ atom. In the third O2- site, O2- is bonded in a bent 150 degrees geometry to one P5+ and one H1+ atom. In the fourth O2- site, O2- is bonded in a bent 120 degrees geometry to one P5+ and one H1+ atom. In the fifth O2- site, O2- is bonded in a single-bond geometry to one P5+ atom. In the sixth O2- site, O2- is bonded in a bent 120 degrees geometry to one P5+ and one H1+ atom. There are two inequivalent F1- sites. In the first F1- site, F1- is bonded in a single-bond geometry to one P5+ atom. In the second F1- site, F1- is bonded in a single-bond geometry to one P5+ atom.

36 MATERIALS SCIENCE↗