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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 Mg3P4H28(NO12)2 by Materials Project

Mg3P4(H5O6)4(NH4)2 crystallizes in the triclinic P-1 space group. The structure is two-dimensional and consists of two ammonium molecules and one Mg3P4(H5O6)4 sheet oriented in the (0, -1, 1) direction. In the Mg3P4(H5O6)4 sheet, there are two inequivalent Mg2+ sites. In the first Mg2+ site, Mg2+ is bonded to six O2- atoms to form MgO6 octahedra that share corners with two equivalent PO4 tetrahedra. There are a spread of Mg–O bond distances ranging from 2.04–2.17 Å. In the second Mg2+ site, Mg2+ is bonded to six O2- atoms to form MgO6 octahedra that share corners with four PO4 tetrahedra. There are a spread of Mg–O bond distances ranging from 2.00–2.27 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 corners with two MgO6 octahedra. The corner-sharing octahedra tilt angles range from 44–46°. There are a spread of P–O bond distances ranging from 1.53–1.62 Å. In the second P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with three equivalent MgO6 octahedra. The corner-sharing octahedra tilt angles range from 32–47°. There are a spread of P–O bond distances ranging from 1.51–1.63 Å. There are ten 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 (1.53 Å) H–O bond length. In the second H1+ site, H1+ is bonded in a distorted single-bond geometry to two O2- atoms. There is one shorter (1.01 Å) and one longer (1.67 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 1.00 Å. In the fourth H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.99 Å. In the fifth H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.99 Å. In the sixth H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.99 Å. In the seventh 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 eighth 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 ninth 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 tenth 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 twelve inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted single-bond geometry to one P5+ atom. In the second O2- site, O2- is bonded in a distorted trigonal non-coplanar geometry to one Mg2+, one P5+, and one H1+ atom. In the third O2- site, O2- is bonded in a 2-coordinate geometry to one Mg2+ and one P5+ atom. In the fourth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one P5+ and one H1+ atom. In the fifth O2- site, O2- is bonded in a 2-coordinate geometry to one Mg2+, one P5+, and one H1+ atom. In the sixth O2- site, O2- is bonded in a 2-coordinate geometry to one Mg2+ and one P5+ atom. In the seventh O2- site, O2- is bonded in a bent 150 degrees geometry to one Mg2+ and one P5+ atom. In the eighth O2- site, O2- is bonded in a 2-coordinate geometry to one P5+ and one H1+ atom. In the ninth O2- site, O2- is bonded in a distorted water-like geometry to one Mg2+ and two H1+ atoms. In the tenth O2- site, O2- is bonded in a 3-coordinate geometry to one Mg2+ and two H1+ atoms. In the eleventh O2- site, O2- is bonded in a distorted water-like geometry to one Mg2+ and two H1+ atoms. In the twelfth O2- site, O2- is bonded in a distorted water-like geometry to one Mg2+ and two H1+ atoms.

36 MATERIALS SCIENCE↗

Materials Data on MgPH16NO10 by Materials Project

MgNH4PO4(H2O)6 crystallizes in the orthorhombic Pmn2_1 space group. The structure is three-dimensional and consists of two ammonium molecules and one MgP(H6O5)2 framework. In the MgP(H6O5)2 framework, Mg2+ is bonded in an octahedral geometry to six O2- atoms. There are a spread of Mg–O bond distances ranging from 2.07–2.15 Å. P5+ is bonded in a tetrahedral geometry to four O2- atoms. All P–O bond lengths are 1.56 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 1.00 Å. In the second H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.99 Å. In the third H1+ site, H1+ is bonded in a single-bond geometry to two O2- atoms. There is one shorter (1.01 Å) and one longer (1.69 Å) H–O bond length. In the fourth H1+ site, H1+ is bonded in a distorted linear geometry to two O2- atoms. There is one shorter (1.01 Å) and one longer (1.61 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 1.00 Å. In the sixth H1+ site, H1+ is bonded in a distorted linear geometry to two O2- atoms. There is one shorter (1.01 Å) and one longer (1.60 Å) H–O bond length. In the seventh 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. There are seven inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted single-bond geometry to one P5+ atom. In the second O2- site, O2- is bonded in a distorted trigonal non-coplanar geometry to one P5+ and two equivalent H1+ atoms. In the third O2- site, O2- is bonded in a 4-coordinate geometry to one P5+ and three H1+ atoms. In the fourth O2- site, O2- is bonded in a distorted water-like geometry to one Mg2+ and two H1+ atoms. In the fifth O2- site, O2- is bonded in a distorted water-like geometry to one Mg2+ and two equivalent H1+ atoms. In the sixth O2- site, O2- is bonded in a distorted water-like geometry to one Mg2+ and two H1+ atoms. In the seventh O2- site, O2- is bonded in a distorted water-like geometry to one Mg2+ and two H1+ atoms.

36 MATERIALS SCIENCE↗

Materials Data on MgP2H10(NO4)2 by Materials Project

MgP2N2H8O7H2O crystallizes in the monoclinic P2_1/c space group. The structure is two-dimensional and consists of four water molecules and one MgP2N2H8O7 sheet oriented in the (1, 0, 0) direction. In the MgP2N2H8O7 sheet, Mg2+ is bonded to six O2- atoms to form MgO6 octahedra that share corners with three PN2O2 tetrahedra. There are a spread of Mg–O bond distances ranging from 2.06–2.19 Å. There are two inequivalent P5+ sites. In the first P5+ site, P5+ is bonded to two N3- and two O2- atoms to form PN2O2 tetrahedra that share a cornercorner with one MgO6 octahedra and corners with two equivalent PN2O2 tetrahedra. The corner-sharing octahedral tilt angles are 46°. There is one shorter (1.66 Å) and one longer (1.68 Å) P–N bond length. There is one shorter (1.52 Å) and one longer (1.53 Å) P–O bond length. In the second P5+ site, P5+ is bonded to two N3- and two O2- atoms to form PN2O2 tetrahedra that share corners with two equivalent MgO6 octahedra and corners with two equivalent PN2O2 tetrahedra. The corner-sharing octahedra tilt angles range from 33–53°. There is one shorter (1.67 Å) and one longer (1.68 Å) P–N bond length. Both P–O bond lengths are 1.52 Å. There are two inequivalent N3- sites. In the first N3- site, N3- is bonded in a distorted trigonal planar geometry to two P5+ and one H1+ atom. The N–H bond length is 1.03 Å. In the second N3- site, N3- is bonded in a distorted trigonal planar geometry to two P5+ and one H1+ atom. The N–H bond length is 1.04 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 1.00 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 N3- atom. In the fifth H1+ site, H1+ is bonded in a single-bond geometry to one N3- 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 single-bond geometry to one O2- atom. The H–O bond length is 0.99 Å. In the eighth 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 seven inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted single-bond geometry to one P5+ atom. In the second O2- site, O2- is bonded in a bent 120 degrees geometry to one Mg2+ and one P5+ atom. In the third O2- site, O2- is bonded in a bent 150 degrees geometry to one Mg2+ and one P5+ atom. In the fourth O2- site, O2- is bonded in a distorted trigonal planar geometry to one Mg2+ and two H1+ atoms. In the fifth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Mg2+ and one P5+ atom. In the sixth O2- site, O2- is bonded in a distorted water-like geometry to one Mg2+ and two H1+ atoms. In the seventh O2- site, O2- is bonded in a distorted water-like geometry to one Mg2+ and two H1+ atoms.

36 MATERIALS SCIENCE↗

Materials Data on MgP6H24(N2O11)2 by Materials Project

MgP6(H4O11)2(NH4)4 crystallizes in the monoclinic P2_1/c space group. The structure is one-dimensional and consists of eight ammonium molecules and two MgP6(H4O11)2 ribbons oriented in the (0, 0, 1) direction. In each MgP6(H4O11)2 ribbon, Mg2+ is bonded to six O2- atoms to form MgO6 octahedra that share corners with two equivalent PO4 tetrahedra. There are a spread of Mg–O bond distances ranging from 2.07–2.10 Å. There are three 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 two PO4 tetrahedra. The corner-sharing octahedral tilt angles are 48°. There is two shorter (1.50 Å) and two longer (1.63 Å) P–O bond length. 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 1.50–1.64 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 1.49–1.63 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 0.99 Å. In the second H1+ site, H1+ is bonded in a distorted single-bond geometry to two O2- atoms. There is one shorter (0.99 Å) and one longer (1.67 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 distorted single-bond geometry to two O2- atoms. There is one shorter (1.00 Å) and one longer (1.67 Å) H–O bond length. There are eleven 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 single-bond geometry to one P5+ atom. In the third O2- site, O2- is bonded in a bent 120 degrees geometry to two P5+ atoms. In the fourth O2- site, O2- is bonded in a 2-coordinate geometry to one P5+ and one H1+ 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 distorted water-like geometry to one Mg2+ and two H1+ atoms. In the seventh O2- site, O2- is bonded in a single-bond geometry to one P5+ atom. In the eighth O2- site, O2- is bonded in a distorted water-like geometry to one Mg2+ and two H1+ atoms. In the ninth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Mg2+ and one P5+ atom. In the tenth O2- site, O2- is bonded in a bent 120 degrees geometry to two P5+ atoms. In the eleventh O2- site, O2- is bonded in a distorted single-bond geometry to one P5+ atom.

36 MATERIALS SCIENCE↗

Materials Data on MgPH6NO5 by Materials Project

MgHPO4.H2ONHH2 crystallizes in the orthorhombic Pmn2_1 space group. The structure is two-dimensional and consists of two ammonia molecules; two hydrogen molecules; and one MgHPO4.H2O sheet oriented in the (0, 0, 1) direction. In the MgHPO4.H2O sheet, Mg2+ is bonded to four O2- atoms to form MgO4 tetrahedra that share a cornercorner with one PO4 tetrahedra and an edgeedge with one PO4 tetrahedra. There are a spread of Mg–O bond distances ranging from 1.91–2.03 Å. P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share a cornercorner with one MgO4 tetrahedra and an edgeedge with one MgO4 tetrahedra. There are a spread of P–O bond distances ranging from 1.51–1.61 Å. There are two inequivalent H1+ sites. In the first H1+ site, H1+ is bonded in a distorted single-bond geometry to two O2- atoms. There is one shorter (1.01 Å) and one longer (1.65 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. There are four inequivalent O2- sites. In the first O2- site, O2- is bonded in a trigonal non-coplanar geometry to one Mg2+ and two equivalent H1+ atoms. In the second O2- site, O2- is bonded in a bent 120 degrees geometry to one P5+ and one H1+ atom. In the third O2- site, O2- is bonded in a 3-coordinate geometry to one Mg2+, one P5+, and one H1+ atom. In the fourth O2- site, O2- is bonded in a linear geometry to one Mg2+ and one P5+ atom.

36 MATERIALS SCIENCE↗