DOI: 10.17188/1321151
title: Materials Data on Zn(AgO2)2 by Materials Project

description: Zn(AgO2)2 is Spinel-like structured and crystallizes in the monoclinic Cm space group. The structure is three-dimensional. there are twelve inequivalent Ag3+ sites. In the first Ag3+ site, Ag3+ is bonded to six O2- atoms to form AgO6 octahedra that share corners with three AgO4 tetrahedra, corners with three ZnO4 tetrahedra, edges with two equivalent ZnO6 octahedra, and edges with four AgO6 octahedra. There are a spread of Ag–O bond distances ranging from 2.10–2.26 Å. In the second Ag3+ site, Ag3+ is bonded to six O2- atoms to form AgO6 octahedra that share corners with three equivalent AgO4 tetrahedra, corners with three equivalent ZnO4 tetrahedra, edges with two ZnO6 octahedra, and edges with four AgO6 octahedra. There are a spread of Ag–O bond distances ranging from 2.10–2.27 Å. In the third Ag3+ site, Ag3+ is bonded to four O2- atoms to form AgO4 tetrahedra that share corners with six AgO6 octahedra and corners with six ZnO6 octahedra. The corner-sharing octahedra tilt angles range from 57–65°. There are a spread of Ag–O bond distances ranging from 2.19–2.26 Å. In the fourth Ag3+ site, Ag3+ is bonded to six O2- atoms to form AgO6 octahedra that share corners with two equivalent ZnO4 tetrahedra, corners with four AgO4 tetrahedra, edges with three AgO6 octahedra, and edges with three ZnO6 octahedra. There are a spread of Ag–O bond distances ranging from 2.08–2.29 Å. In the fifth Ag3+ site, Ag3+ is bonded to four O2- atoms to form AgO4 tetrahedra that share corners with three ZnO6 octahedra and corners with nine AgO6 octahedra. The corner-sharing octahedra tilt angles range from 56–63°. There are a spread of Ag–O bond distances ranging from 2.09–2.21 Å. In the sixth Ag3+ site, Ag3+ is bonded to four O2- atoms to form AgO4 tetrahedra that share corners with six AgO6 octahedra and corners with six ZnO6 octahedra. The corner-sharing octahedra tilt angles range from 56–65°. There are a spread of Ag–O bond distances ranging from 2.17–2.20 Å. In the seventh Ag3+ site, Ag3+ is bonded to six O2- atoms to form AgO6 octahedra that share corners with six AgO4 tetrahedra, edges with two equivalent AgO6 octahedra, and edges with four ZnO6 octahedra. There are a spread of Ag–O bond distances ranging from 2.08–2.15 Å. In the eighth Ag3+ site, Ag3+ is bonded to four O2- atoms to form AgO4 tetrahedra that share corners with six AgO6 octahedra and corners with six ZnO6 octahedra. The corner-sharing octahedra tilt angles range from 54–64°. There are a spread of Ag–O bond distances ranging from 2.11–2.18 Å. In the ninth Ag3+ site, Ag3+ is bonded to six O2- atoms to form AgO6 octahedra that share a cornercorner with one ZnO4 tetrahedra, corners with five AgO4 tetrahedra, edges with three AgO6 octahedra, and edges with three ZnO6 octahedra. There are a spread of Ag–O bond distances ranging from 2.07–2.20 Å. In the tenth Ag3+ site, Ag3+ is bonded to four O2- atoms to form AgO4 tetrahedra that share corners with six AgO6 octahedra and corners with six ZnO6 octahedra. The corner-sharing octahedra tilt angles range from 57–65°. There are a spread of Ag–O bond distances ranging from 2.16–2.20 Å. In the eleventh Ag3+ site, Ag3+ is bonded to six O2- atoms to form AgO6 octahedra that share corners with three equivalent AgO4 tetrahedra, corners with three equivalent ZnO4 tetrahedra, edges with two ZnO6 octahedra, and edges with four AgO6 octahedra. There are a spread of Ag–O bond distances ranging from 2.11–2.32 Å. In the twelfth Ag3+ site, Ag3+ is bonded to four O2- atoms to form AgO4 tetrahedra that share corners with three ZnO6 octahedra and corners with nine AgO6 octahedra. The corner-sharing octahedra tilt angles range from 58–64°. There are one shorter (2.13 Å) and three longer (2.21 Å) Ag–O bond lengths. 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 AgO6 octahedra. The corner-sharing octahedra tilt angles range from 50–62°. There are a spread of Zn–O bond distances ranging from 1.99–2.07 Å. In the second Zn2+ site, Zn2+ is bonded to six O2- atoms to form ZnO6 octahedra that share corners with three AgO4 tetrahedra, corners with three ZnO4 tetrahedra, and edges with six AgO6 octahedra. There are a spread of Zn–O bond distances ranging from 2.15–2.17 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 AgO6 octahedra. The corner-sharing octahedra tilt angles range from 53–60°. There are a spread of Zn–O bond distances ranging from 2.00–2.07 Å. In the fourth Zn2+ site, Zn2+ is bonded to six O2- atoms to form ZnO6 octahedra that share corners with two equivalent ZnO4 tetrahedra, corners with four AgO4 tetrahedra, an edgeedge with one ZnO6 octahedra, and edges with five AgO6 octahedra. There are a spread of Zn–O bond distances ranging from 2.10–2.23 Å. In the fifth Zn2+ site, Zn2+ is bonded to six O2- atoms to form ZnO6 octahedra that share corners with six AgO4 tetrahedra, edges with two ZnO6 octahedra, and edges with four equivalent AgO6 octahedra. There are a spread of Zn–O bond distances ranging from 2.08–2.18 Å. In the sixth Zn2+ site, Zn2+ is bonded to six O2- atoms to form ZnO6 octahedra that share corners with six AgO4 tetrahedra, edges with two ZnO6 octahedra, and edges with four AgO6 octahedra. There are a spread of Zn–O bond distances ranging from 2.07–2.20 Å. In the seventh Zn2+ site, Zn2+ is bonded to six O2- atoms to form ZnO6 octahedra that share a cornercorner with one ZnO4 tetrahedra, corners with five AgO4 tetrahedra, an edgeedge with one ZnO6 octahedra, and edges with five AgO6 octahedra. There are a spread of Zn–O bond distances ranging from 2.06–2.23 Å. In the eighth Zn2+ site, Zn2+ is bonded to six O2- atoms to form ZnO6 octahedra that share corners with six AgO4 tetrahedra, edges with two ZnO6 octahedra, and edges with four AgO6 octahedra. There are a spread of Zn–O bond distances ranging from 2.09–2.20 Å. There are twenty-four inequivalent O2- sites. In the first O2- site, O2- is bonded in a rectangular see-saw-like geometry to two Ag3+ and two Zn2+ atoms. In the second O2- site, O2- is bonded in a rectangular see-saw-like geometry to two equivalent Ag3+ and two Zn2+ atoms. In the third O2- site, O2- is bonded in a rectangular see-saw-like geometry to three Ag3+ and one Zn2+ atom. In the fourth O2- site, O2- is bonded to four Ag3+ atoms to form a mixture of distorted corner and edge-sharing OAg4 trigonal pyramids. In the fifth O2- site, O2- is bonded in a rectangular see-saw-like geometry to two Ag3+ and two Zn2+ atoms. In the sixth O2- site, O2- is bonded to three Ag3+ and one Zn2+ atom to form distorted OZnAg3 tetrahedra that share a cornercorner with one OZnAg3 tetrahedra, corners with two OZnAg3 trigonal pyramids, edges with two OZnAg3 tetrahedra, and an edgeedge with one OAg4 trigonal pyramid. In the seventh O2- site, O2- is bonded to three Ag3+ and one Zn2+ atom to form distorted OZnAg3 tetrahedra that share corners with six OZn2Ag2 tetrahedra and corners with four OZnAg3 trigonal pyramids. In the eighth O2- site, O2- is bonded to three Ag3+ and one Zn2+ atom to form distorted OZnAg3 tetrahedra that share corners with two equivalent OZnAg3 tetrahedra, a cornercorner with one OAg4 trigonal pyramid, edges with two equivalent OZnAg3 tetrahedra, and an edgeedge with one OAg4 trigonal pyramid. In the ninth O2- site, O2- is bonded in a rectangular see-saw-like geometry to three Ag3+ and one Zn2+ atom. In the tenth O2- site, O2- is bonded to two Ag3+ and two Zn2+ atoms to form distorted OZn2Ag2 tetrahedra that share corners with seven OZn2Ag2 tetrahedra, corners with four OZnAg3 trigonal pyramids, an edgeedge with one OZn2Ag2 tetrahedra, and edges with two OZnAg3 trigonal pyramids. In the eleventh O2- site, O2- is bonded in a rectangular see-saw-like geometry to three Ag3+ and one Zn2+ atom. In the twelfth O2- site, O2- is bonded to two Ag3+ and two Zn2+ atoms to form distorted OZn2Ag2 tetrahedra that share corners with five OZnAg3 tetrahedra, corners with two OZnAg3 trigonal pyramids, an edgeedge with one OZn2Ag2 tetrahedra, and an edgeedge with one OZnAg3 trigonal pyramid. In the thirteenth O2- site, O2- is bonded to three Ag3+ and one Zn2+ atom to form distorted OZnAg3 trigonal pyramids that share corners with six OZn2Ag2 tetrahedra, corners with six OZnAg3 trigonal pyramids, edges with two equivalent OZn2Ag2 tetrahedra, and an edgeedge with one OZnAg3 trigonal pyramid. In the fourteenth O2- site, O2- is bonded to three Ag3+ and one Zn2+ atom to form distorted OZnAg3 trigonal pyramids that share corners with five OZnAg3 tetrahedra, a cornercorner with one OAg4 trigonal pyramid, and edges with two equivalent OZn2Ag2 tetrahedra. In the fifteenth O2- site, O2- is bonded to three Ag3+ and one Zn2+ atom to form distorted OZnAg3 trigonal pyramids that share corners with seven OZn2Ag2 tetrahedra, corners with four OZnAg3 trigonal pyramids, edges with two equivalent OZn2Ag2 tetrahedra, and an edgeedge with one OZnAg3 trigonal pyramid. In the sixteenth O2- site, O2- is bonded to three Ag3+ and one Zn2+ atom to form distorted OZnAg3 trigonal pyramids that share corners with six OZn2Ag2 tetrahedra, corners with six OZnAg3 trigonal pyramids, edges with two equivalent OZn2Ag2 tetrahedra, and an edgeedge with one OZnAg3 trigonal pyramid. In the seventeenth O2- site, O2- is bonded to two Ag3+ and two Zn2+ atoms to form distorted OZn2Ag2 tetrahedra that share corners with six OZn2Ag2 tetrahedra, corners with six OZnAg3 trigonal pyramids, an edgeedge with one OZn2Ag2 tetrahedra, and an edgeedge with one OZnAg3 trigonal pyramid. In the eighteenth O2- site, O2- is bonded to two Ag3+ and two Zn2+ atoms to form distorted OZn2Ag2 tetrahedra that share corners with six OZn2Ag2 tetrahedra, corners with six OZnAg3 trigonal pyramids, an edgeedge with one OZn2Ag2 tetrahedra, and edges with two OZnAg3 trigonal pyramids. In the nineteenth O2- site, O2- is bonded in a rectangular see-saw-like geometry to two equivalent Ag3+ and two Zn2+ atoms. In the twentieth O2- site, O2- is bonded to three Ag3+ and one Zn2+ atom to form distorted OZnAg3 trigonal pyramids that share corners with six OZn2Ag2 tetrahedra, corners with five OZnAg3 trigonal pyramids, edges with two equivalent OZn2Ag2 tetrahedra, and an edgeedge with one OZnAg3 trigonal pyramid. In the twenty-first O2- site, O2- is bonded to three Ag3+ and one Zn2+ atom to form distorted OZnAg3 trigonal pyramids that share corners with six OZn2Ag2 tetrahedra, corners with six OZnAg3 trigonal pyramids, and edges with two equivalent OZn2Ag2 tetrahedra. In the twenty-second O2- site, O2- is bonded to four Ag3+ atoms to form distorted OAg4 trigonal pyramids that share corners with five OZn2Ag2 tetrahedra, corners with two equivalent OZnAg3 trigonal pyramids, edges with two equivalent OZnAg3 tetrahedra, and an edgeedge with one OZnAg3 trigonal pyramid. In the twenty-third O2- site, O2- is bonded to three Ag3+ and one Zn2+ atom to form distorted OZnAg3 tetrahedra that share corners with five OZn2Ag2 tetrahedra, corners with two OZnAg3 trigonal pyramids, an edgeedge with one OZnAg3 tetrahedra, and edges with two OAg4 trigonal pyramids. In the twenty-fourth O2- site, O2- is bonded to three Ag3+ and one Zn2+ atom to form distorted OZnAg3 trigonal pyramids that share corners with six OZn2Ag2 tetrahedra, corners with three OZnAg3 trigonal pyramids, edges with two equivalent OZnAg3 tetrahedra, and an edgeedge with one OAg4 trigonal pyramid.