cometadata/datacite-titles-descriptions-related-identifiers huggingface dataset:
DOI: 10.17188/1191148
title: Materials Data on TmP5O14 by Materials Project

description: TmP5O14 crystallizes in the monoclinic C2/c space group. The structure is three-dimensional. there are two inequivalent Tm3+ sites. In the first Tm3+ site, Tm3+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Tm–O bond distances ranging from 2.31–2.34 Å. In the second Tm3+ site, Tm3+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Tm–O bond distances ranging from 2.26–2.39 Å. There are five inequivalent P5+ sites. In the first P5+ site, P5+ is bonded to four O2- atoms to form corner-sharing PO4 tetrahedra. There are a spread of P–O bond distances ranging from 1.48–1.66 Å. In the second P5+ site, P5+ is bonded to four O2- atoms to form corner-sharing PO4 tetrahedra. There are a spread of P–O bond distances ranging from 1.48–1.59 Å. In the third P5+ site, P5+ is bonded to four O2- atoms to form corner-sharing PO4 tetrahedra. There are a spread of P–O bond distances ranging from 1.48–1.66 Å. In the fourth P5+ site, P5+ is bonded to four O2- atoms to form corner-sharing PO4 tetrahedra. There is one shorter (1.47 Å) and three longer (1.58 Å) P–O bond length. In the fifth P5+ site, P5+ is bonded to four O2- atoms to form corner-sharing PO4 tetrahedra. There are a spread of P–O bond distances ranging from 1.48–1.64 Å. There are fourteen inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Tm3+ and one P5+ atom. In the second O2- site, O2- is bonded in a distorted linear geometry to one Tm3+ and one P5+ atom. In the third O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Tm3+ and one P5+ atom. In the fourth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Tm3+ and one P5+ atom. In the fifth O2- site, O2- is bonded in a bent 120 degrees geometry to two P5+ atoms. In the sixth O2- site, O2- is bonded in a bent 120 degrees geometry to two P5+ atoms. In the seventh O2- site, O2- is bonded in a distorted single-bond geometry to one Tm3+ and one P5+ atom. In the eighth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Tm3+ and one P5+ atom. In the ninth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Tm3+ and one P5+ atom. In the tenth O2- site, O2- is bonded in a bent 150 degrees geometry to two P5+ atoms. In the eleventh O2- site, O2- is bonded in a bent 150 degrees geometry to two P5+ atoms. In the twelfth O2- site, O2- is bonded in a bent 120 degrees geometry to two P5+ atoms. In the thirteenth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Tm3+ and one P5+ atom. In the fourteenth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to two P5+ atoms.
DOI: 10.17188/1191149
title: Materials Data on Na2UP2O9 by Materials Project

description: Na2UP2O9 crystallizes in the orthorhombic Pna2_1 space group. The structure is three-dimensional. there are two inequivalent Na1+ sites. In the first Na1+ site, Na1+ is bonded in a 2-coordinate geometry to six O2- atoms. There are a spread of Na–O bond distances ranging from 2.29–2.92 Å. In the second Na1+ site, Na1+ is bonded in a 7-coordinate geometry to seven O2- atoms. There are a spread of Na–O bond distances ranging from 2.32–2.71 Å. U6+ is bonded to seven O2- atoms to form distorted UO7 pentagonal bipyramids that share corners with three PO4 tetrahedra and an edgeedge with one PO4 tetrahedra. There are a spread of U–O bond distances ranging from 1.81–2.49 Å. There are two inequivalent P5+ sites. In the first P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share a cornercorner with one UO7 pentagonal bipyramid, a cornercorner with one PO4 tetrahedra, and an edgeedge with one UO7 pentagonal bipyramid. There are a spread of P–O bond distances ranging from 1.53–1.61 Å. In the second P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with two equivalent UO7 pentagonal bipyramids and a cornercorner with one PO4 tetrahedra. There are a spread of P–O bond distances ranging from 1.52–1.64 Å. There are nine inequivalent O2- sites. In the first O2- site, O2- is bonded in a 1-coordinate geometry to one Na1+, one U6+, and one P5+ atom. In the second O2- site, O2- is bonded in a bent 150 degrees geometry to two P5+ atoms. In the third O2- site, O2- is bonded in a bent 150 degrees geometry to one Na1+ and one U6+ atom. In the fourth O2- site, O2- is bonded in a 1-coordinate geometry to two Na1+ and one U6+ atom. In the fifth O2- site, O2- is bonded in a distorted single-bond geometry to two equivalent Na1+, one U6+, and one P5+ atom. In the sixth O2- site, O2- is bonded in a 1-coordinate geometry to one Na1+, one U6+, and one P5+ atom. In the seventh O2- site, O2- is bonded in a 1-coordinate geometry to one Na1+, one U6+, and one P5+ atom. In the eighth O2- site, O2- is bonded in a 1-coordinate geometry to two Na1+, one U6+, and one P5+ atom. In the ninth O2- site, O2- is bonded to three Na1+ and one P5+ atom to form distorted corner-sharing ONa3P tetrahedra.
DOI: 10.17188/1191151
title: Materials Data on ZrTe by Materials Project

description: ZrTe is Tungsten Carbide structured and crystallizes in the hexagonal P-6m2 space group. The structure is three-dimensional. Zr2+ is bonded to six equivalent Te2- atoms to form a mixture of distorted corner, edge, and face-sharing ZrTe6 pentagonal pyramids. All Zr–Te bond lengths are 2.93 Å. Te2- is bonded to six equivalent Zr2+ atoms to form a mixture of distorted corner, edge, and face-sharing TeZr6 pentagonal pyramids.
DOI: 10.17188/1191152
title: Materials Data on Na4TeO5 by Materials Project

description: Na4TeO5 crystallizes in the triclinic P-1 space group. The structure is three-dimensional. there are five inequivalent Na1+ sites. In the first Na1+ site, Na1+ is bonded in a 1-coordinate geometry to three O2- atoms. There are a spread of Na–O bond distances ranging from 2.09–2.54 Å. In the second Na1+ site, Na1+ is bonded in a 3-coordinate geometry to three O2- atoms. There are a spread of Na–O bond distances ranging from 2.10–2.44 Å. In the third Na1+ site, Na1+ is bonded in a 12-coordinate geometry to three O2- atoms. There are a spread of Na–O bond distances ranging from 2.35–2.54 Å. In the fourth Na1+ site, Na1+ is bonded in a 12-coordinate geometry to six O2- atoms. There are a spread of Na–O bond distances ranging from 2.77–2.99 Å. In the fifth Na1+ site, Na1+ is bonded in a 12-coordinate geometry to eight O2- atoms. There are a spread of Na–O bond distances ranging from 2.47–2.79 Å. Te6+ is bonded in a 1-coordinate geometry to five O2- atoms. There are a spread of Te–O bond distances ranging from 1.83–2.44 Å. There are five inequivalent O2- sites. In the first O2- site, O2- is bonded in a 1-coordinate geometry to three Na1+ and one Te6+ atom. In the second O2- site, O2- is bonded in a 1-coordinate geometry to five Na1+ and one Te6+ atom. In the third O2- site, O2- is bonded in a 1-coordinate geometry to three Na1+ and one Te6+ atom. In the fourth O2- site, O2- is bonded in a 1-coordinate geometry to two Na1+ and one Te6+ atom. In the fifth O2- site, O2- is bonded in a 1-coordinate geometry to three Na1+ and one Te6+ atom.
DOI: 10.17188/1191153
title: Materials Data on CsBePO4 by Materials Project

description: CsBePO4 crystallizes in the orthorhombic Pnma space group. The structure is three-dimensional. Cs1+ is bonded in a 6-coordinate geometry to eight O2- atoms. There are a spread of Cs–O bond distances ranging from 3.17–3.34 Å. Be2+ is bonded to four O2- atoms to form BeO4 tetrahedra that share corners with four equivalent PO4 tetrahedra. There are a spread of Be–O bond distances ranging from 1.62–1.65 Å. P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with four equivalent BeO4 tetrahedra. There is two shorter (1.54 Å) and two longer (1.55 Å) P–O bond length. There are three inequivalent O2- sites. In the first O2- site, O2- is bonded in a linear geometry to two equivalent Cs1+, one Be2+, and one P5+ atom. In the second O2- site, O2- is bonded in a bent 150 degrees geometry to two equivalent Cs1+, one Be2+, and one P5+ atom. In the third O2- site, O2- is bonded in a linear geometry to two equivalent Cs1+, one Be2+, and one P5+ atom.
DOI: 10.17188/1191154
title: Materials Data on Ti7Al2O15 by Materials Project

description: Ti7Al2O15 crystallizes in the monoclinic C2/m space group. The structure is three-dimensional. there are four inequivalent Ti+3.43+ sites. In the first Ti+3.43+ site, Ti+3.43+ is bonded to six O2- atoms to form TiO6 octahedra that share corners with six TiO6 octahedra, corners with two equivalent AlO4 tetrahedra, and edges with three equivalent TiO6 octahedra. The corner-sharing octahedra tilt angles range from 0–51°. There are a spread of Ti–O bond distances ranging from 1.99–2.11 Å. In the second Ti+3.43+ site, Ti+3.43+ is bonded to six O2- atoms to form TiO6 octahedra that share corners with four TiO6 octahedra, corners with three equivalent AlO4 tetrahedra, and edges with four equivalent TiO6 octahedra. The corner-sharing octahedra tilt angles range from 49–51°. There are a spread of Ti–O bond distances ranging from 1.89–2.13 Å. In the third Ti+3.43+ site, Ti+3.43+ is bonded to six O2- atoms to form distorted TiO6 octahedra that share corners with four TiO6 octahedra, corners with three equivalent AlO4 tetrahedra, and edges with four equivalent TiO6 octahedra. The corner-sharing octahedral tilt angles are 49°. There are a spread of Ti–O bond distances ranging from 1.87–2.21 Å. In the fourth Ti+3.43+ site, Ti+3.43+ is bonded to six O2- atoms to form a mixture of edge and corner-sharing TiO6 octahedra. The corner-sharing octahedral tilt angles are 49°. There are four shorter (2.01 Å) and two longer (2.03 Å) Ti–O bond lengths. Al3+ is bonded to four O2- atoms to form AlO4 tetrahedra that share corners with eight TiO6 octahedra and corners with two equivalent AlO4 tetrahedra. The corner-sharing octahedra tilt angles range from 58–63°. There is two shorter (1.75 Å) and two longer (1.81 Å) Al–O bond length. There are eight inequivalent O2- sites. In the first O2- site, O2- is bonded to three equivalent Ti+3.43+ and one Al3+ atom to form a mixture of distorted edge and corner-sharing OTi3Al tetrahedra. In the second O2- site, O2- is bonded in a trigonal planar geometry to one Ti+3.43+ and two equivalent Al3+ atoms. In the third O2- site, O2- is bonded in a 4-coordinate geometry to three equivalent Ti+3.43+ and one Al3+ atom. In the fourth O2- site, O2- is bonded in a distorted trigonal planar geometry to three Ti+3.43+ atoms. In the fifth O2- site, O2- is bonded in a distorted trigonal planar geometry to three Ti+3.43+ atoms. In the sixth O2- site, O2- is bonded in a distorted trigonal planar geometry to three Ti+3.43+ atoms. In the seventh O2- site, O2- is bonded in a distorted trigonal planar geometry to three Ti+3.43+ atoms. In the eighth O2- site, O2- is bonded in a square co-planar geometry to four equivalent Ti+3.43+ atoms.
DOI: 10.17188/1191155
title: Materials Data on N2 by Materials Project

description: N2 is Cubic alpha N2 structured and crystallizes in the cubic P2_13 space group. The structure is zero-dimensional and consists of four nitrogen molecules. N is bonded in a single-bond geometry to one N atom. The N–N bond length is 1.11 Å.
DOI: 10.17188/1191156
title: Materials Data on HoTl by Materials Project

description: HoTl is Tetraauricupride structured and crystallizes in the cubic Pm-3m space group. The structure is three-dimensional. Ho is bonded in a body-centered cubic geometry to eight equivalent Tl atoms. All Ho–Tl bond lengths are 3.28 Å. Tl is bonded in a body-centered cubic geometry to eight equivalent Ho atoms.
DOI: 10.17188/1191157
title: Materials Data on KGaF4 by Materials Project

description: KGaF4 crystallizes in the orthorhombic Pnma 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 F1- atoms. There are a spread of K–F bond distances ranging from 2.72–3.15 Å. In the second K1+ site, K1+ is bonded in a 7-coordinate geometry to seven F1- atoms. There are a spread of K–F bond distances ranging from 2.67–2.90 Å. Ga3+ is bonded to six F1- atoms to form corner-sharing GaF6 octahedra. The corner-sharing octahedra tilt angles range from 18–31°. There are a spread of Ga–F bond distances ranging from 1.86–1.98 Å. There are five inequivalent F1- sites. In the first F1- site, F1- is bonded in a distorted bent 150 degrees geometry to one K1+ and two equivalent Ga3+ atoms. In the second F1- site, F1- is bonded in a distorted bent 150 degrees geometry to one K1+ and two equivalent Ga3+ atoms. In the third F1- site, F1- is bonded in a distorted bent 150 degrees geometry to one K1+ and two equivalent Ga3+ atoms. In the fourth F1- site, F1- is bonded to three K1+ and one Ga3+ atom to form a mixture of distorted edge and corner-sharing FK3Ga tetrahedra. In the fifth F1- site, F1- is bonded in a 1-coordinate geometry to three K1+ and one Ga3+ atom.
DOI: 10.17188/1191158
title: Materials Data on BeSe by Materials Project

description: BeSe is Zincblende, Sphalerite structured and crystallizes in the cubic F-43m space group. The structure is three-dimensional. Be2+ is bonded to four equivalent Se2- atoms to form corner-sharing BeSe4 tetrahedra. All Be–Se bond lengths are 2.24 Å. Se2- is bonded to four equivalent Be2+ atoms to form corner-sharing SeBe4 tetrahedra.
DOI: 10.17188/1191159
title: Materials Data on K2GaAs2 by Materials Project

description: K2GaAs2 crystallizes in the monoclinic P2_1/c space group. The structure is three-dimensional. there are four inequivalent K1+ sites. In the first K1+ site, K1+ is bonded in a 6-coordinate geometry to six As+2.50- atoms. There are a spread of K–As bond distances ranging from 3.32–3.84 Å. In the second K1+ site, K1+ is bonded in a 5-coordinate geometry to five As+2.50- atoms. There are a spread of K–As bond distances ranging from 3.35–3.60 Å. In the third K1+ site, K1+ is bonded to six As+2.50- atoms to form a mixture of distorted edge and corner-sharing KAs6 octahedra. The corner-sharing octahedral tilt angles are 32°. There are a spread of K–As bond distances ranging from 3.52–3.75 Å. In the fourth K1+ site, K1+ is bonded in a 4-coordinate geometry to four As+2.50- atoms. There are a spread of K–As bond distances ranging from 3.29–3.45 Å. There are two inequivalent Ga3+ sites. In the first Ga3+ site, Ga3+ is bonded in a trigonal planar geometry to three As+2.50- atoms. There are two shorter (2.42 Å) and one longer (2.45 Å) Ga–As bond lengths. In the second Ga3+ site, Ga3+ is bonded in a trigonal planar geometry to three As+2.50- atoms. There are one shorter (2.41 Å) and two longer (2.44 Å) Ga–As bond lengths. There are four inequivalent As+2.50- sites. In the first As+2.50- site, As+2.50- is bonded in a 2-coordinate geometry to six K1+ and two Ga3+ atoms. In the second As+2.50- site, As+2.50- is bonded in a 7-coordinate geometry to five K1+, one Ga3+, and one As+2.50- atom. The As–As bond length is 2.49 Å. In the third As+2.50- site, As+2.50- is bonded in a 7-coordinate geometry to five K1+ and two Ga3+ atoms. In the fourth As+2.50- site, As+2.50- is bonded in a 1-coordinate geometry to five K1+, one Ga3+, and one As+2.50- atom.
DOI: 10.17188/1191160
title: Materials Data on Rb2GaAs2 by Materials Project

description: Rb2GaAs2 crystallizes in the monoclinic P2_1/c space group. The structure is three-dimensional. there are four inequivalent Rb1+ sites. In the first Rb1+ site, Rb1+ is bonded in a 4-coordinate geometry to four As+2.50- atoms. There are a spread of Rb–As bond distances ranging from 3.45–3.57 Å. In the second Rb1+ site, Rb1+ is bonded in a 6-coordinate geometry to six As+2.50- atoms. There are a spread of Rb–As bond distances ranging from 3.65–3.92 Å. In the third Rb1+ site, Rb1+ is bonded in a 5-coordinate geometry to five As+2.50- atoms. There are a spread of Rb–As bond distances ranging from 3.53–3.65 Å. In the fourth Rb1+ site, Rb1+ is bonded in a 2-coordinate geometry to one Rb1+ and six As+2.50- atoms. The Rb–Rb bond length is 3.93 Å. There are a spread of Rb–As bond distances ranging from 3.47–3.96 Å. There are two inequivalent Ga3+ sites. In the first Ga3+ site, Ga3+ is bonded in a trigonal planar geometry to three As+2.50- atoms. There are a spread of Ga–As bond distances ranging from 2.42–2.45 Å. In the second Ga3+ site, Ga3+ is bonded in a trigonal planar geometry to three As+2.50- atoms. There are a spread of Ga–As bond distances ranging from 2.41–2.47 Å. There are four inequivalent As+2.50- sites. In the first As+2.50- site, As+2.50- is bonded in a 1-coordinate geometry to five Rb1+, one Ga3+, and one As+2.50- atom. The As–As bond length is 2.48 Å. In the second As+2.50- site, As+2.50- is bonded in a 2-coordinate geometry to six Rb1+ and two Ga3+ atoms. In the third As+2.50- site, As+2.50- is bonded in a 1-coordinate geometry to five Rb1+, one Ga3+, and one As+2.50- atom. In the fourth As+2.50- site, As+2.50- is bonded in a 7-coordinate geometry to five Rb1+ and two Ga3+ atoms.
DOI: 10.17188/1191161
title: Materials Data on K2GaP2 by Materials Project

description: K2GaP2 crystallizes in the monoclinic P2_1/c space group. The structure is three-dimensional. there are four inequivalent K1+ sites. In the first K1+ site, K1+ is bonded in a 4-coordinate geometry to four P+2.50- atoms. There are a spread of K–P bond distances ranging from 3.22–3.33 Å. In the second K1+ site, K1+ is bonded in a 6-coordinate geometry to six P+2.50- atoms. There are a spread of K–P bond distances ranging from 3.39–3.67 Å. In the third K1+ site, K1+ is bonded in a 2-coordinate geometry to five P+2.50- atoms. There are a spread of K–P bond distances ranging from 3.23–3.61 Å. In the fourth K1+ site, K1+ is bonded in a 5-coordinate geometry to five P+2.50- atoms. There are a spread of K–P bond distances ranging from 3.29–3.52 Å. There are two inequivalent Ga3+ sites. In the first Ga3+ site, Ga3+ is bonded in a trigonal planar geometry to three P+2.50- atoms. There are one shorter (2.31 Å) and two longer (2.33 Å) Ga–P bond lengths. In the second Ga3+ site, Ga3+ is bonded in a trigonal planar geometry to three P+2.50- atoms. There are two shorter (2.31 Å) and one longer (2.34 Å) Ga–P bond lengths. There are four inequivalent P+2.50- sites. In the first P+2.50- site, P+2.50- is bonded in a 1-coordinate geometry to five K1+, one Ga3+, and one P+2.50- atom. The P–P bond length is 2.22 Å. In the second P+2.50- site, P+2.50- is bonded in a 1-coordinate geometry to five K1+, one Ga3+, and one P+2.50- atom. In the third P+2.50- site, P+2.50- is bonded in a 7-coordinate geometry to five K1+ and two Ga3+ atoms. In the fourth P+2.50- site, P+2.50- is bonded in a 2-coordinate geometry to five K1+ and two Ga3+ atoms.
DOI: 10.17188/1191162
title: Materials Data on YB2 by Materials Project

description: YB2 is hexagonal omega structure structured and crystallizes in the hexagonal P6/mmm space group. The structure is three-dimensional. Y is bonded to twelve equivalent B atoms to form a mixture of edge and face-sharing YB12 cuboctahedra. All Y–B bond lengths are 2.71 Å. B is bonded in a 9-coordinate geometry to six equivalent Y and three equivalent B atoms. All B–B bond lengths are 1.91 Å.
DOI: 10.17188/1191163
title: Materials Data on Ge2Pt by Materials Project

description: PtGe2 is zeta iron carbide structured and crystallizes in the orthorhombic Pnnm space group. The structure is three-dimensional. Pt is bonded to six equivalent Ge atoms to form a mixture of distorted edge and corner-sharing PtGe6 octahedra. The corner-sharing octahedral tilt angles are 55°. There are two shorter (2.54 Å) and four longer (2.57 Å) Pt–Ge bond lengths. Ge is bonded in a 4-coordinate geometry to three equivalent Pt and three equivalent Ge atoms. There are one shorter (2.53 Å) and two longer (2.98 Å) Ge–Ge bond lengths.
DOI: 10.17188/1191167
title: Materials Data on MgP4O11 by Materials Project

description: MgP4O11 crystallizes in the monoclinic P2_1/c space group. The structure is three-dimensional. Mg2+ is bonded to six O2- atoms to form MgO6 octahedra that share corners with six PO4 tetrahedra. There are a spread of Mg–O bond distances ranging from 2.07–2.14 Å. There are four inequivalent P5+ sites. In the first P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share a cornercorner with one MgO6 octahedra and corners with three PO4 tetrahedra. The corner-sharing octahedral tilt angles are 44°. There are a spread of P–O bond distances ranging from 1.47–1.59 Å. In the second P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with two equivalent MgO6 octahedra and corners with two equivalent PO4 tetrahedra. The corner-sharing octahedra tilt angles range from 11–32°. There are a spread of P–O bond distances ranging from 1.48–1.65 Å. In the third P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with two equivalent MgO6 octahedra and corners with two equivalent PO4 tetrahedra. The corner-sharing octahedra tilt angles range from 14–36°. There is two shorter (1.48 Å) and two longer (1.65 Å) P–O bond length. In the fourth P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share a cornercorner with one MgO6 octahedra and corners with three PO4 tetrahedra. The corner-sharing octahedral tilt angles are 41°. There are a spread of P–O bond distances ranging from 1.47–1.59 Å. There are eleven inequivalent O2- sites. In the first O2- site, O2- is bonded in a bent 150 degrees geometry to one Mg2+ and one P5+ atom. In the second O2- site, O2- is bonded in a bent 150 degrees geometry to two P5+ atoms. In the third O2- site, O2- is bonded in a distorted bent 120 degrees geometry to two P5+ atoms. In the fourth O2- site, O2- is bonded in a bent 120 degrees geometry to two P5+ atoms. In the fifth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to two P5+ atoms. In the sixth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Mg2+ and one P5+ atom. In the seventh O2- site, O2- is bonded in a linear geometry to one Mg2+ and one P5+ atom. In the eighth O2- site, O2- is bonded in a bent 150 degrees geometry to two P5+ atoms. In the ninth O2- site, O2- is bonded in a bent 150 degrees geometry to one Mg2+ and one P5+ atom. In the tenth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Mg2+ and one P5+ atom. In the eleventh O2- site, O2- is bonded in a linear geometry to one Mg2+ and one P5+ atom.