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Materials Data on NiP4N2O19 by Materials Project

NiO6NiP8(NO13)2(NO)2(O2)2 crystallizes in the triclinic P-1 space group. The structure is zero-dimensional and consists of two nitroxyl molecules, two oxygen molecules, one NiO6 cluster, and one NiP8(NO13)2 cluster. In the NiO6 cluster, Ni is bonded in a linear geometry to two equivalent O atoms. Both Ni–O bond lengths are 1.81 Å. There are three inequivalent O sites. In the first O site, O is bonded in a distorted bent 120 degrees geometry to one Ni and one O atom. The O–O bond length is 1.49 Å. In the second O site, O is bonded in a bent 120 degrees geometry to two O atoms. The O–O bond length is 1.24 Å. In the third O site, O is bonded in a single-bond geometry to one O atom. In the NiP8(NO13)2 cluster, Ni is bonded in a square co-planar geometry to four O atoms. There is two shorter (1.92 Å) and two longer (2.00 Å) Ni–O bond length. There are four inequivalent P sites. In the first P site, P is bonded to four O atoms to form corner-sharing PO4 tetrahedra. There are a spread of P–O bond distances ranging from 1.47–1.63 Å. In the second P site, P is bonded to four O atoms to form corner-sharing PO4 tetrahedra. There are a spread of P–O bond distances ranging from 1.48–1.63 Å. In the third P site, P is bonded to four O atoms to form corner-sharing PO4 tetrahedra. There are a spread of P–O bond distances ranging from 1.47–1.61 Å. In the fourth P site, P is bonded to four O atoms to form corner-sharing PO4 tetrahedra. There are a spread of P–O bond distances ranging from 1.50–1.64 Å. N is bonded in a water-like geometry to two O atoms. There is one shorter (1.15 Å) and one longer (1.66 Å) N–O bond length. There are thirteen inequivalent O sites. In the first O site, O is bonded in a single-bond geometry to one P atom. In the second O site, O is bonded in a bent 120 degrees geometry to one P and one N atom. In the third O site, O is bonded in a bent 120 degrees geometry to two P atoms. In the fourth O site, O is bonded in a single-bond geometry to one N atom. In the fifth O site, O is bonded in a 2-coordinate geometry to one Ni and one P atom. In the sixth O site, O is bonded in a single-bond geometry to one P atom. In the seventh O site, O is bonded in a bent 150 degrees geometry to two P atoms. In the eighth O site, O is bonded in a distorted bent 150 degrees geometry to one Ni and one P atom. In the ninth O site, O is bonded in a single-bond geometry to one P atom. In the tenth O site, O is bonded in a bent 150 degrees geometry to two P atoms. In the eleventh O site, O is bonded in a single-bond geometry to one P atom. In the twelfth O site, O is bonded in a single-bond geometry to one P atom. In the thirteenth O site, O is bonded in a bent 120 degrees geometry to two P atoms.

36 MATERIALS SCIENCE↗

Materials Data on NiP2(NO4)2 by Materials Project

(NiP2O7)2N2(NO)2 crystallizes in the monoclinic P2_1/c space group. The structure is one-dimensional and consists of four ammonia molecules; four nitroxyl molecules; and two NiP2O7 ribbons oriented in the (0, 0, 1) direction. In each NiP2O7 ribbon, Ni4+ is bonded in a 5-coordinate geometry to five O2- atoms. There are a spread of Ni–O bond distances ranging from 1.89–2.54 Å. There are two inequivalent P5+ sites. In the first P5+ site, P5+ is bonded in a bent 120 degrees geometry to two O2- atoms. There is one shorter (1.49 Å) and one longer (1.52 Å) P–O bond length. In the second P5+ site, P5+ is bonded in a distorted bent 120 degrees geometry to two O2- atoms. There is one shorter (1.49 Å) and one longer (1.52 Å) P–O bond length. There are seven inequivalent O2- sites. In the first O2- site, O2- is bonded in a linear geometry to one Ni4+ and one P5+ atom. In the second O2- site, O2- is bonded in a water-like geometry to one Ni4+ and one O2- atom. The O–O bond length is 1.24 Å. In the third O2- site, O2- is bonded in a single-bond geometry to one Ni4+ atom. In the fourth O2- site, O2- is bonded in a single-bond geometry to one O2- atom. In the fifth O2- site, O2- is bonded in a bent 120 degrees geometry to one Ni4+ and one P5+ atom. In the sixth O2- site, O2- is bonded in a single-bond geometry to one P5+ atom. In the seventh O2- site, O2- is bonded in a bent 120 degrees geometry to one Ni4+ and one P5+ atom.

36 MATERIALS SCIENCE↗

Materials Data on NiP4N2O19 by Materials Project

(NiP4(NO8)2)2(O2)3 crystallizes in the triclinic P-1 space group. The structure is one-dimensional and consists of two trioxidane molecules and one NiP4(NO8)2 ribbon oriented in the (1, 1, 1) direction. In the NiP4(NO8)2 ribbon, there are two inequivalent Ni sites. In the first Ni site, Ni is bonded to six O atoms to form NiO6 octahedra that share corners with four PO4 tetrahedra. There are a spread of Ni–O bond distances ranging from 1.97–2.17 Å. In the second Ni site, Ni is bonded in an octahedral geometry to six O atoms. There are four shorter (1.92 Å) and two longer (2.40 Å) Ni–O bond lengths. There are four inequivalent P sites. In the first P site, P is bonded to four O atoms to form PO4 tetrahedra that share a cornercorner with one NiO6 octahedra and corners with two PO4 tetrahedra. The corner-sharing octahedral tilt angles are 57°. There are a spread of P–O bond distances ranging from 1.47–1.82 Å. In the second P site, P is bonded to four O atoms to form PO4 tetrahedra that share a cornercorner with one NiO6 octahedra and corners with two PO4 tetrahedra. The corner-sharing octahedral tilt angles are 40°. There are a spread of P–O bond distances ranging from 1.49–1.71 Å. In the third P site, P is bonded to four O atoms to form corner-sharing PO4 tetrahedra. There are a spread of P–O bond distances ranging from 1.46–1.71 Å. In the fourth P site, P is bonded to four O atoms to form corner-sharing PO4 tetrahedra. There are a spread of P–O bond distances ranging from 1.47–1.66 Å. There are two inequivalent N sites. In the first N site, N is bonded in a distorted water-like geometry to two O atoms. There is one shorter (1.15 Å) and one longer (1.84 Å) N–O bond length. In the second N site, N is bonded in a single-bond geometry to one O atom. The N–O bond length is 1.24 Å. There are sixteen inequivalent O sites. In the first O site, O is bonded in a bent 120 degrees geometry to one Ni and one P atom. In the second O site, O is bonded in a bent 120 degrees geometry to one P and one N atom. In the third O site, O is bonded in a bent 120 degrees geometry to two P atoms. In the fourth O site, O is bonded in a bent 150 degrees geometry to one Ni and one P atom. In the fifth O site, O is bonded in a single-bond geometry to one P atom. In the sixth O site, O is bonded in a bent 120 degrees geometry to two P atoms. In the seventh O site, O is bonded in a single-bond geometry to one P atom. In the eighth O site, O is bonded in a single-bond geometry to one P atom. In the ninth O site, O is bonded in a bent 120 degrees geometry to two P atoms. In the tenth O site, O is bonded in a single-bond geometry to one P atom. In the eleventh O site, O is bonded in a bent 120 degrees geometry to one P and one N atom. In the twelfth O site, O is bonded in a bent 150 degrees geometry to two P atoms. In the thirteenth O site, O is bonded in a distorted bent 120 degrees geometry to one Ni and one N atom. In the fourteenth O site, O is bonded in a 2-coordinate geometry to one Ni and one O atom. The O–O bond length is 1.31 Å. In the fifteenth O site, O is bonded in a 1-coordinate geometry to one Ni and one O atom. In the sixteenth O site, O is bonded in a single-bond geometry to one Ni atom.

36 MATERIALS SCIENCE↗

Materials Data on NiPNO10 by Materials Project

NiO4PO3NOO2 crystallizes in the orthorhombic Pmn2_1 space group. The structure is one-dimensional and consists of two nitroxyl molecules; two oxygen molecules; two phosphonic acid molecules; and two NiO4 ribbons oriented in the (1, 0, 0) direction. In each NiO4 ribbon, Ni is bonded in a rectangular see-saw-like geometry to four O atoms. There are a spread of Ni–O bond distances ranging from 1.69–1.96 Å. There are three inequivalent O sites. In the first O site, O is bonded in a single-bond geometry to one Ni atom. In the second O site, O is bonded in a water-like geometry to one Ni and one O atom. The O–O bond length is 1.30 Å. In the third O site, O is bonded in a bent 120 degrees geometry to one Ni and one O atom.

36 MATERIALS SCIENCE↗

Materials Data on NiP6(N2O11)2 by Materials Project

NiP6(N2O11)2 crystallizes in the monoclinic P2_1/c space group. The structure is zero-dimensional and consists of two NiP6(N2O11)2 clusters. Ni2+ is bonded to six O2- atoms to form NiO6 octahedra that share corners with two equivalent PO4 tetrahedra. There are a spread of Ni–O bond distances ranging from 1.94–2.04 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 NiO6 octahedra and corners with two PO4 tetrahedra. The corner-sharing octahedral tilt angles are 48°. There are a spread of P–O bond distances ranging from 1.46–1.70 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 1.45–1.72 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 1.45–1.73 Å. There are two inequivalent N3+ sites. In the first N3+ site, N3+ is bonded in a single-bond geometry to one O2- atom. The N–O bond length is 1.29 Å. In the second N3+ site, N3+ is bonded in a single-bond geometry to one O2- atom. The N–O bond length is 1.29 Å. There are eleven inequivalent O2- sites. In the first O2- site, O2- is bonded in a single-bond geometry to one P5+ atom. In the second O2- site, O2- is bonded in a 2-coordinate geometry to one Ni2+ and one O2- atom. The O–O bond length is 1.29 Å. In the third O2- site, O2- is bonded in a bent 120 degrees geometry to one P5+ and one N3+ atom. In the fourth O2- site, O2- is bonded in a single-bond geometry to one P5+ 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 N3+ atom. In the seventh O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Ni2+ and one P5+ atom. In the eighth O2- site, O2- is bonded in a bent 120 degrees geometry to two P5+ atoms. In the ninth O2- site, O2- is bonded in a 2-coordinate geometry to one Ni2+ and one O2- atom. In the tenth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to two P5+ atoms. In the eleventh O2- site, O2- is bonded in a bent 120 degrees geometry to two P5+ atoms.

36 MATERIALS SCIENCE↗

Materials Data on Ni3P4(NO8)2 by Materials Project

Ni3P4(NO8)2 crystallizes in the monoclinic P2_1/c space group. The structure is two-dimensional and consists of one Ni3P4(NO8)2 sheet oriented in the (0, 0, 1) direction. there are two inequivalent Ni+3.33+ sites. In the first Ni+3.33+ site, Ni+3.33+ is bonded to six O2- atoms to form NiO6 octahedra that share corners with six PO4 tetrahedra and edges with two equivalent NiO6 octahedra. There are a spread of Ni–O bond distances ranging from 2.05–2.11 Å. In the second Ni+3.33+ site, Ni+3.33+ is bonded to six O2- atoms to form NiO6 octahedra that share corners with five PO4 tetrahedra and edges with two NiO6 octahedra. There are a spread of Ni–O bond distances ranging from 1.90–2.13 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 five NiO6 octahedra and a cornercorner with one PO4 tetrahedra. The corner-sharing octahedra tilt angles range from 39–61°. There are a spread of P–O bond distances ranging from 1.51–1.63 Å. In the second P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with three NiO6 octahedra and a cornercorner with one PO4 tetrahedra. The corner-sharing octahedra tilt angles range from 45–61°. There are a spread of P–O bond distances ranging from 1.50–1.62 Å. N1+ is bonded in a distorted single-bond geometry to one O2- atom. The N–O bond length is 1.43 Å. There are eight inequivalent O2- sites. In the first O2- site, O2- is bonded in a bent 120 degrees geometry to two P5+ atoms. In the second O2- site, O2- is bonded in a water-like geometry to one P5+ and one N1+ atom. In the third O2- site, O2- is bonded in a single-bond geometry to one Ni+3.33+ atom. In the fourth O2- site, O2- is bonded in a bent 120 degrees geometry to one Ni+3.33+ and one P5+ atom. In the fifth O2- site, O2- is bonded in a 3-coordinate geometry to two Ni+3.33+ and one P5+ atom. In the sixth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Ni+3.33+ and one P5+ atom. In the seventh O2- site, O2- is bonded in a distorted trigonal planar geometry to two equivalent Ni+3.33+ and one P5+ atom. In the eighth O2- site, O2- is bonded in a 3-coordinate geometry to two Ni+3.33+ and one P5+ atom.

36 MATERIALS SCIENCE↗