Materials Data on Zn(NiO2)2 by Materials Project
Zn(NiO2)2 is Sylvanite-like structured and crystallizes in the triclinic P1 space group. The structure is three-dimensional. there are sixteen inequivalent Ni3+ sites. In the first Ni3+ site, Ni3+ is bonded to six O2- atoms to form NiO6 octahedra that share corners with three NiO4 tetrahedra, corners with three ZnO4 tetrahedra, edges with two equivalent ZnO6 octahedra, and edges with four NiO6 octahedra. There are a spread of Ni–O bond distances ranging from 1.78–2.21 Å. In the second Ni3+ site, Ni3+ is bonded to six O2- atoms to form distorted NiO6 octahedra that share corners with three equivalent NiO4 tetrahedra, corners with three equivalent ZnO4 tetrahedra, edges with two ZnO6 octahedra, and edges with four NiO6 octahedra. There are a spread of Ni–O bond distances ranging from 1.69–2.22 Å. In the third Ni3+ site, Ni3+ is bonded to six O2- atoms to form distorted NiO6 octahedra that share corners with three NiO4 tetrahedra, corners with three ZnO4 tetrahedra, edges with two equivalent ZnO6 octahedra, and edges with four NiO6 octahedra. There are a spread of Ni–O bond distances ranging from 1.73–2.35 Å. In the fourth Ni3+ site, Ni3+ is bonded to four O2- atoms to form NiO4 tetrahedra that share corners with six NiO6 octahedra and corners with six ZnO6 octahedra. The corner-sharing octahedra tilt angles range from 43–68°. There are a spread of Ni–O bond distances ranging from 1.78–2.11 Å. In the fifth Ni3+ site, Ni3+ is bonded to six O2- atoms to form NiO6 octahedra that share corners with two equivalent ZnO4 tetrahedra, corners with four NiO4 tetrahedra, edges with three NiO6 octahedra, and edges with three ZnO6 octahedra. There are a spread of Ni–O bond distances ranging from 1.75–2.22 Å. In the sixth Ni3+ site, Ni3+ is bonded to four O2- atoms to form NiO4 tetrahedra that share corners with three ZnO6 octahedra and corners with nine NiO6 octahedra. The corner-sharing octahedra tilt angles range from 45–70°. There are a spread of Ni–O bond distances ranging from 1.81–2.12 Å. In the seventh Ni3+ site, Ni3+ is bonded to four O2- atoms to form NiO4 tetrahedra that share corners with six NiO6 octahedra and corners with six ZnO6 octahedra. The corner-sharing octahedra tilt angles range from 44–66°. There are a spread of Ni–O bond distances ranging from 1.72–2.05 Å. In the eighth Ni3+ site, Ni3+ is bonded to six O2- atoms to form distorted NiO6 octahedra that share corners with two equivalent ZnO4 tetrahedra, corners with four NiO4 tetrahedra, edges with three NiO6 octahedra, and edges with three ZnO6 octahedra. There are a spread of Ni–O bond distances ranging from 1.77–2.28 Å. In the ninth Ni3+ site, Ni3+ is bonded to six O2- atoms to form distorted NiO6 octahedra that share corners with six NiO4 tetrahedra, edges with two equivalent NiO6 octahedra, and edges with four ZnO6 octahedra. There are a spread of Ni–O bond distances ranging from 1.75–2.29 Å. In the tenth Ni3+ site, Ni3+ is bonded to four O2- atoms to form NiO4 tetrahedra that share corners with six NiO6 octahedra and corners with six ZnO6 octahedra. The corner-sharing octahedra tilt angles range from 44–69°. There are a spread of Ni–O bond distances ranging from 1.77–2.10 Å. In the eleventh Ni3+ site, Ni3+ is bonded to six O2- atoms to form distorted NiO6 octahedra that share corners with six NiO4 tetrahedra, edges with two equivalent NiO6 octahedra, and edges with four ZnO6 octahedra. There are a spread of Ni–O bond distances ranging from 1.76–2.22 Å. In the twelfth Ni3+ site, Ni3+ is bonded to six O2- atoms to form distorted NiO6 octahedra that share a cornercorner with one ZnO4 tetrahedra, corners with five NiO4 tetrahedra, edges with three NiO6 octahedra, and edges with three ZnO6 octahedra. There are a spread of Ni–O bond distances ranging from 1.72–2.36 Å. In the thirteenth Ni3+ site, Ni3+ is bonded to six O2- atoms to form NiO6 octahedra that share a cornercorner with one ZnO4 tetrahedra, corners with five NiO4 tetrahedra, edges with three NiO6 octahedra, and edges with three ZnO6 octahedra. There are a spread of Ni–O bond distances ranging from 1.82–2.19 Å. In the fourteenth Ni3+ site, Ni3+ is bonded to four O2- atoms to form NiO4 tetrahedra that share corners with six NiO6 octahedra and corners with six ZnO6 octahedra. The corner-sharing octahedra tilt angles range from 45–68°. There are a spread of Ni–O bond distances ranging from 1.78–2.11 Å. In the fifteenth Ni3+ site, Ni3+ is bonded to six O2- atoms to form distorted NiO6 octahedra that share corners with three equivalent NiO4 tetrahedra, corners with three equivalent ZnO4 tetrahedra, edges with two ZnO6 octahedra, and edges with four NiO6 octahedra. There are a spread of Ni–O bond distances ranging from 1.70–2.20 Å. In the sixteenth Ni3+ site, Ni3+ is bonded to four O2- atoms to form NiO4 tetrahedra that share corners with three ZnO6 octahedra and corners with nine NiO6 octahedra. The corner-sharing octahedra tilt angles range from 46–71°. There are a spread of Ni–O bond distances ranging from 1.81–2.11 Å. There are eight inequivalent Zn2+ sites. In the first Zn2+ site, Zn2+ is bonded to four O2- atoms to form ZnO4 tetrahedra that share corners with three ZnO6 octahedra and corners with nine NiO6 octahedra. The corner-sharing octahedra tilt angles range from 47–69°. There are a spread of Zn–O bond distances ranging from 1.82–2.15 Å. In the second Zn2+ site, Zn2+ is bonded to six O2- atoms to form distorted ZnO6 octahedra that share corners with three NiO4 tetrahedra, corners with three ZnO4 tetrahedra, and edges with six NiO6 octahedra. There are a spread of Zn–O bond distances ranging from 1.85–2.35 Å. In the third Zn2+ site, Zn2+ is bonded to four O2- atoms to form ZnO4 tetrahedra that share corners with three ZnO6 octahedra and corners with nine NiO6 octahedra. The corner-sharing octahedra tilt angles range from 46–71°. There are a spread of Zn–O bond distances ranging from 1.83–2.14 Å. In the fourth Zn2+ site, Zn2+ is bonded to six O2- atoms to form distorted ZnO6 octahedra that share corners with two equivalent ZnO4 tetrahedra, corners with four NiO4 tetrahedra, an edgeedge with one ZnO6 octahedra, and edges with five NiO6 octahedra. There are a spread of Zn–O bond distances ranging from 1.85–2.31 Å. In the fifth Zn2+ site, Zn2+ is bonded to six O2- atoms to form ZnO6 octahedra that share corners with six NiO4 tetrahedra, edges with two ZnO6 octahedra, and edges with four NiO6 octahedra. There are a spread of Zn–O bond distances ranging from 1.83–2.28 Å. In the sixth Zn2+ site, Zn2+ is bonded to six O2- atoms to form distorted ZnO6 octahedra that share corners with six NiO4 tetrahedra, edges with two ZnO6 octahedra, and edges with four NiO6 octahedra. There are a spread of Zn–O bond distances ranging from 1.80–2.35 Å. In the seventh Zn2+ site, Zn2+ is bonded to six O2- atoms to form distorted ZnO6 octahedra that share a cornercorner with one ZnO4 tetrahedra, corners with five NiO4 tetrahedra, an edgeedge with one ZnO6 octahedra, and edges with five NiO6 octahedra. There are a spread of Zn–O bond distances ranging from 1.86–2.36 Å. In the eighth Zn2+ site, Zn2+ is bonded to six O2- atoms to form distorted ZnO6 octahedra that share corners with six NiO4 tetrahedra, edges with two ZnO6 octahedra, and edges with four NiO6 octahedra. There are a spread of Zn–O bond distances ranging from 1.81–2.35 Å. There are thirty-two inequivalent O2- sites. In the first O2- site, O2- is bonded to two Ni3+ and two Zn2+ atoms to form distorted corner-sharing OZn2Ni2 tetrahedra. In the second O2- site, O2- is bonded in a 4-coordinate geometry to two Ni3+ and two Zn2+ atoms. In the third O2- site, O2- is bonded in a 4-coordinate geometry to two Ni3+ and two Zn2+ atoms. In the fourth O2- site, O2- is bonded in a 4-coordinate geometry to three Ni3+ and one Zn2+ atom. In the fifth O2- site, O2- is bonded in a 4-coordinate geometry to four Ni3+ atoms. In the sixth O2- site, O2- is bonded to two Ni3+ and two Zn2+ atoms to form distorted corner-sharing OZn2Ni2 tetrahedra. In the seventh O2- site, O2- is bonded in a 4-coordinate geometry to three Ni3+ and one Zn2+ atom. In the eighth O2- site, O2- is bonded in a distorted rectangular see-saw-like geometry to three Ni3+ and one Zn2+ atom. In the ninth O2- site, O2- is bonded in a 4-coordinate geometry to two Ni3+ and two Zn2+ atoms. In the tenth O2- site, O2- is bonded in a 4-coordinate geometry to three Ni3+ and one Zn2+ atom. In the eleventh O2- site, O2- is bonded in a distorted rectangular see-saw-like geometry to three Ni3+ and one Zn2+ atom. In the twelfth O2- site, O2- is bonded to three Ni3+ and one Zn2+ atom to form distorted corner-sharing OZnNi3 tetrahedra. In the thirteenth O2- site, O2- is bonded to two Ni3+ and two Zn2+ atoms to form distorted corner-sharing OZn2Ni2 tetrahedra. In the fourteenth O2- site, O2- is bonded in a 4-coordinate geometry to three Ni3+ and one Zn2+ atom. In the fifteenth O2- site, O2- is bonded in a distorted rectangular see-saw-like geometry to two Ni3+ and two Zn2+ atoms. In the sixteenth O2- site, O2- is bonded in a distorted rectangular see-saw-like geometry to three Ni3+ and one Zn2+ atom. In the seventeenth O2- site, O2- is bonded in a distorted rectangular see-saw-like geometry to two Ni3+ and two Zn2+ atoms. In the eighteenth O2- site, O2- is bonded in a 4-coordinate geometry to three Ni3+ and one Zn2+ atom. In the nineteenth O2- site, O2- is bonded in a 4-coordinate geometry to three Ni3+ and one Zn2+ atom. In the twentieth O2- site, O2- is bonded to two Ni3+ and two Zn2+ atoms to form distorted corner-sharing OZn2Ni2 tetrahedra. In the twenty-first O2- site, O2- is bonded in a 4-coordinate geometry to three Ni3+ and one Zn2+ atom. In the twenty-second O2- site, O2- is bonded in a 4-coordinate geometry to two Ni3+ and two Zn2+ atoms. In the twenty-third O2- site, O2- is bonded in a distorted rectangular see-saw-like geometry to two Ni3+ and two Zn2+ atoms. In the twenty-fourth O2- site, O2- is bonded to two Ni3+ and two Zn2+ atoms to form distorted corner-sharing OZn2Ni2 tetrahedra. In the twenty-fifth O2- site, O2- is bonded in a distorted rectangular see-saw-like geometry to two Ni3+ and two Zn2+ atoms. In the twenty-sixth O2- site, O2- is bonded in a distorted rectangular see-saw-like geometry to three Ni3+ and one Zn2+ atom. In the twenty-seventh O2- site, O2- is bonded in a distorted rectangular see-saw-like geometry to three Ni3+ and one Zn2+ atom. In the twenty-eighth O2- site, O2- is bonded in a 4-coordinate geometry to two Ni3+ and two Zn2+ atoms. In the twenty-ninth O2- site, O2- is bonded in a 4-coordinate geometry to four Ni3+ atoms. In the thirtieth O2- site, O2- is bonded in a 4-coordinate geometry to three Ni3+ and one Zn2+ atom. In the thirty-first O2- site, O2- is bonded in a 4-coordinate geometry to three Ni3+ and one Zn2+ atom. In the thirty-second O2- site, O2- is bonded to three Ni3+ and one Zn2+ atom to form distorted corner-sharing OZnNi3 tetrahedra.