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DOE OSTI2020

Materials Data on AgO2 by Materials Project

AgO2 crystallizes in the tetragonal I4_1/a space group. The structure is two-dimensional and consists of four AgO2 sheets oriented in the (0, 0, 1) direction. there are two inequivalent Ag sites. In the first Ag site, Ag is bonded in a rectangular see-saw-like geometry to four equivalent O atoms. All Ag–O bond lengths are 2.24 Å. In the second Ag site, Ag is bonded in a rectangular see-saw-like geometry to four equivalent O atoms. All Ag–O bond lengths are 2.23 Å. O is bonded in a trigonal planar geometry to two Ag and one O atom. The O–O bond length is 1.39 Å.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Mn3(AgO2)4 by Materials Project

Mn3(AgO2)4 is Orthorhombic Perovskite-like structured and crystallizes in the triclinic P1 space group. The structure is three-dimensional. there are twelve inequivalent Mn4+ sites. In the first Mn4+ site, Mn4+ is bonded to six O2- atoms to form MnO6 octahedra that share a cornercorner with one AgO4 trigonal pyramid and edges with four MnO6 octahedra. There are a spread of Mn–O bond distances ranging from 1.92–2.02 Å. In the second Mn4+ site, Mn4+ is bonded to six O2- atoms to form MnO6 octahedra that share a cornercorner with one AgO4 trigonal pyramid and edges with four MnO6 octahedra. There are a spread of Mn–O bond distances ranging from 1.89–2.01 Å. In the third Mn4+ site, Mn4+ is bonded to six O2- atoms to form MnO6 octahedra that share a cornercorner with one AgO4 trigonal pyramid and edges with four MnO6 octahedra. There are a spread of Mn–O bond distances ranging from 1.89–2.01 Å. In the fourth Mn4+ site, Mn4+ is bonded to six O2- atoms to form MnO6 octahedra that share a cornercorner with one AgO4 trigonal pyramid and edges with four MnO6 octahedra. There are a spread of Mn–O bond distances ranging from 1.90–2.01 Å. In the fifth Mn4+ site, Mn4+ is bonded to six O2- atoms to form MnO6 octahedra that share a cornercorner with one AgO4 trigonal pyramid and edges with four MnO6 octahedra. There are a spread of Mn–O bond distances ranging from 1.90–2.03 Å. In the sixth Mn4+ site, Mn4+ is bonded to six O2- atoms to form edge-sharing MnO6 octahedra. There are a spread of Mn–O bond distances ranging from 1.89–2.06 Å. In the seventh Mn4+ site, Mn4+ is bonded to six O2- atoms to form MnO6 octahedra that share a cornercorner with one AgO4 trigonal pyramid and edges with four MnO6 octahedra. There are a spread of Mn–O bond distances ranging from 1.91–2.03 Å. In the eighth Mn4+ site, Mn4+ is bonded to six O2- atoms to form edge-sharing MnO6 octahedra. There are a spread of Mn–O bond distances ranging from 1.90–2.04 Å. In the ninth Mn4+ site, Mn4+ is bonded to six O2- atoms to form edge-sharing MnO6 octahedra. There are a spread of Mn–O bond distances ranging from 1.90–2.00 Å. In the tenth Mn4+ site, Mn4+ is bonded to six O2- atoms to form MnO6 octahedra that share a cornercorner with one AgO4 trigonal pyramid and edges with four MnO6 octahedra. There are a spread of Mn–O bond distances ranging from 1.89–2.02 Å. In the eleventh Mn4+ site, Mn4+ is bonded to six O2- atoms to form MnO6 octahedra that share a cornercorner with one AgO4 trigonal pyramid and edges with four MnO6 octahedra. There are a spread of Mn–O bond distances ranging from 1.91–2.10 Å. In the twelfth Mn4+ site, Mn4+ is bonded to six O2- atoms to form MnO6 octahedra that share a cornercorner with one AgO4 trigonal pyramid and edges with four MnO6 octahedra. There are a spread of Mn–O bond distances ranging from 1.92–2.00 Å. There are sixteen inequivalent Ag1+ sites. In the first Ag1+ site, Ag1+ is bonded in a 2-coordinate geometry to two O2- atoms. There are one shorter (2.17 Å) and one longer (2.30 Å) Ag–O bond lengths. In the second Ag1+ site, Ag1+ is bonded in a 2-coordinate geometry to two O2- atoms. Both Ag–O bond lengths are 2.25 Å. In the third Ag1+ site, Ag1+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of Ag–O bond distances ranging from 2.45–2.87 Å. In the fourth Ag1+ site, Ag1+ is bonded in a 3-coordinate geometry to three O2- atoms. There are a spread of Ag–O bond distances ranging from 2.28–2.51 Å. In the fifth Ag1+ site, Ag1+ is bonded in a distorted linear geometry to two O2- atoms. There are one shorter (2.09 Å) and one longer (2.15 Å) Ag–O bond lengths. In the sixth Ag1+ site, Ag1+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of Ag–O bond distances ranging from 2.51–2.71 Å. In the seventh Ag1+ site, Ag1+ is bonded in a 4-coordinate geometry to four O2- atoms. There are a spread of Ag–O bond distances ranging from 2.16–2.57 Å. In the eighth Ag1+ site, Ag1+ is bonded in a 2-coordinate geometry to three O2- atoms. There are a spread of Ag–O bond distances ranging from 2.11–2.88 Å. In the ninth Ag1+ site, Ag1+ is bonded in a 4-coordinate geometry to four O2- atoms. There are a spread of Ag–O bond distances ranging from 2.16–2.55 Å. In the tenth Ag1+ site, Ag1+ is bonded to four O2- atoms to form distorted AgO4 trigonal pyramids that share corners with nine MnO6 octahedra. The corner-sharing octahedra tilt angles range from 44–61°. There are a spread of Ag–O bond distances ranging from 2.31–2.62 Å. In the eleventh Ag1+ site, Ag1+ is bonded in a 1-coordinate geometry to three O2- atoms. There are a spread of Ag–O bond distances ranging from 2.14–2.42 Å. In the twelfth Ag1+ site, Ag1+ is bonded in a 3-coordinate geometry to three O2- atoms. There are a spread of Ag–O bond distances ranging from 2.19–2.32 Å. In the thirteenth Ag1+ site, Ag1+ is bonded in a 3-coordinate geometry to four O2- atoms. There are a spread of Ag–O bond distances ranging from 2.22–2.65 Å. In the fourteenth Ag1+ site, Ag1+ is bonded in a 3-coordinate geometry to four O2- atoms. There are a spread of Ag–O bond distances ranging from 2.13–2.70 Å. In the fifteenth Ag1+ site, Ag1+ is bonded in a 2-coordinate geometry to two O2- atoms. There are one shorter (2.19 Å) and one longer (2.25 Å) Ag–O bond lengths. In the sixteenth Ag1+ site, Ag1+ is bonded in a 6-coordinate geometry to four O2- atoms. There are a spread of Ag–O bond distances ranging from 2.35–2.58 Å. There are thirty-two inequivalent O2- sites. In the first O2- site, O2- is bonded in a 3-coordinate geometry to two Mn4+ and one Ag1+ atom. In the second O2- site, O2- is bonded in a 3-coordinate geometry to two Mn4+ and one Ag1+ atom. In the third O2- site, O2- is bonded in a 3-coordinate geometry to two Mn4+ and one Ag1+ atom. In the fourth O2- site, O2- is bonded in a 4-coordinate geometry to three Mn4+ and one Ag1+ atom. In the fifth O2- site, O2- is bonded in a distorted rectangular see-saw-like geometry to three Mn4+ and one Ag1+ atom. In the sixth O2- site, O2- is bonded in a 2-coordinate geometry to two Mn4+ and two Ag1+ atoms. In the seventh O2- site, O2- is bonded in a 2-coordinate geometry to two Mn4+ and one Ag1+ atom. In the eighth O2- site, O2- is bonded in a distorted trigonal non-coplanar geometry to two Mn4+ and one Ag1+ atom. In the ninth O2- site, O2- is bonded to two Mn4+ and two Ag1+ atoms to form distorted corner-sharing OMn2Ag2 tetrahedra. In the tenth O2- site, O2- is bonded in a 2-coordinate geometry to two Mn4+ and two Ag1+ atoms. In the eleventh O2- site, O2- is bonded in a 3-coordinate geometry to two Mn4+ and two Ag1+ atoms. In the twelfth O2- site, O2- is bonded in a 4-coordinate geometry to three Mn4+ and one Ag1+ atom. In the thirteenth O2- site, O2- is bonded in a 4-coordinate geometry to three Mn4+ and one Ag1+ atom. In the fourteenth O2- site, O2- is bonded in a 4-coordinate geometry to two Mn4+ and two Ag1+ atoms. In the fifteenth O2- site, O2- is bonded in a 4-coordinate geometry to two Mn4+ and two Ag1+ atoms. In the sixteenth O2- site, O2- is bonded to two Mn4+ and two Ag1+ atoms to form distorted corner-sharing OMn2Ag2 tetrahedra. In the seventeenth O2- site, O2- is bonded in a 3-coordinate geometry to two Mn4+ and three Ag1+ atoms. In the eighteenth O2- site, O2- is bonded in a distorted tetrahedral geometry to two Mn4+ and two Ag1+ atoms. In the nineteenth O2- site, O2- is bonded in a distorted water-like geometry to two Mn4+ and two Ag1+ atoms. In the twentieth O2- site, O2- is bonded in a 5-coordinate geometry to three Mn4+ and two Ag1+ atoms. In the twenty-first O2- site, O2- is bonded in a 4-coordinate geometry to three Mn4+ and one Ag1+ atom. In the twenty-second O2- site, O2- is bonded in a 3-coordinate geometry to two Mn4+ and two Ag1+ atoms. In the twenty-third O2- site, O2- is bonded in a 2-coordinate geometry to two Mn4+ and three Ag1+ atoms. In the twenty-fourth O2- site, O2- is bonded in a 2-coordinate geometry to two Mn4+ and three Ag1+ atoms. In the twenty-fifth O2- site, O2- is bonded in a 2-coordinate geometry to two Mn4+ and three Ag1+ atoms. In the twenty-sixth O2- site, O2- is bonded in a 2-coordinate geometry to two Mn4+ and two Ag1+ atoms. In the twenty-seventh O2- site, O2- is bonded in a 3-coordinate geometry to two Mn4+ and two Ag1+ atoms. In the twenty-eighth O2- site, O2- is bonded in a 5-coordinate geometry to three Mn4+ and one Ag1+ atom. In the twenty-ninth O2- site, O2- is bonded in a distorted rectangular see-saw-like geometry to three Mn4+ and one Ag1+ atom. In the thirtieth O2- site, O2- is bonded in a distorted water-like geometry to two Mn4+ and two Ag1+ atoms. In the thirty-first O2- site, O2- is bonded in a distorted tetrahedral geometry to two Mn4+ and two Ag1+ atoms. In the thirty-second O2- site, O2- is bonded in a 3-coordinate geometry to two Mn4+ and two Ag1+ atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Zn(AgO2)2 by Materials Project

Zn(AgO2)2 crystallizes in the orthorhombic Fddd space group. The structure is three-dimensional. Ag3+ is bonded in a square co-planar geometry to four equivalent O2- atoms. There are two shorter (2.04 Å) and two longer (2.08 Å) Ag–O bond lengths. Zn2+ is bonded in a distorted rectangular see-saw-like geometry to four equivalent O2- atoms. All Zn–O bond lengths are 1.98 Å. O2- is bonded in a trigonal non-coplanar geometry to two equivalent Ag3+ and one Zn2+ atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Cd(AgO2)2 by Materials Project

Cd(AgO2)2 crystallizes in the tetragonal I4_1/amd space group. The structure is three-dimensional. Ag3+ is bonded in a square co-planar geometry to four equivalent O2- atoms. All Ag–O bond lengths are 2.05 Å. Cd2+ is bonded in a distorted tetrahedral geometry to four equivalent O2- atoms. All Cd–O bond lengths are 2.24 Å. O2- is bonded in a distorted trigonal non-coplanar geometry to two equivalent Ag3+ and one Cd2+ atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Cd(AgO2)2 by Materials Project

Cd(AgO2)2 crystallizes in the orthorhombic Fddd space group. The structure is three-dimensional. Ag3+ is bonded in a square co-planar geometry to four equivalent O2- atoms. All Ag–O bond lengths are 2.04 Å. Cd2+ is bonded in a distorted square co-planar geometry to four equivalent O2- atoms. All Cd–O bond lengths are 2.22 Å. O2- is bonded in a trigonal non-coplanar geometry to two equivalent Ag3+ and one Cd2+ atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Mg(AgO2)2 by Materials Project

Mg(AgO2)2 crystallizes in the monoclinic C2/m space group. The structure is three-dimensional. Mg2+ is bonded in a tetrahedral geometry to four O2- atoms. All Mg–O bond lengths are 2.00 Å. There are three inequivalent Ag3+ sites. In the first Ag3+ site, Ag3+ is bonded in a square co-planar geometry to four O2- atoms. There are two shorter (2.03 Å) and two longer (2.04 Å) Ag–O bond lengths. In the second Ag3+ site, Ag3+ is bonded in a square co-planar geometry to four equivalent O2- atoms. All Ag–O bond lengths are 2.03 Å. In the third Ag3+ site, Ag3+ is bonded in a square co-planar geometry to four equivalent O2- atoms. All Ag–O bond lengths are 2.03 Å. There are three inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted trigonal planar geometry to one Mg2+ and two Ag3+ atoms. In the second O2- site, O2- is bonded in a distorted trigonal planar geometry to one Mg2+ and two equivalent Ag3+ atoms. In the third O2- site, O2- is bonded in a distorted trigonal planar geometry to one Mg2+ and two equivalent Ag3+ atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Mg(AgO2)2 by Materials Project

Mg(AgO2)2 is Spinel structured and crystallizes in the tetragonal I4_1/amd space group. The structure is three-dimensional. Mg2+ is bonded to four equivalent O2- atoms to form MgO4 tetrahedra that share corners with twelve equivalent AgO6 octahedra. The corner-sharing octahedral tilt angles are 56°. All Mg–O bond lengths are 2.02 Å. Ag3+ is bonded to six equivalent O2- atoms to form AgO6 octahedra that share corners with six equivalent MgO4 tetrahedra and edges with six equivalent AgO6 octahedra. There are four shorter (2.22 Å) and two longer (2.23 Å) Ag–O bond lengths. O2- is bonded in a distorted rectangular see-saw-like geometry to one Mg2+ and three equivalent Ag3+ atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Zn(AgO2)2 by Materials Project

Zn(AgO2)2 is Spinel structured and crystallizes in the tetragonal I4_1/amd space group. The structure is three-dimensional. Ag3+ is bonded to six equivalent O2- atoms to form AgO6 octahedra that share corners with six equivalent ZnO4 tetrahedra and edges with six equivalent AgO6 octahedra. There are four shorter (2.22 Å) and two longer (2.23 Å) Ag–O bond lengths. Zn2+ is bonded to four equivalent O2- atoms to form ZnO4 tetrahedra that share corners with twelve equivalent AgO6 octahedra. The corner-sharing octahedral tilt angles are 56°. All Zn–O bond lengths are 2.01 Å. O2- is bonded in a distorted rectangular see-saw-like geometry to three equivalent Ag3+ and one Zn2+ atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Ca(AgO2)2 by Materials Project

Ca(AgO2)2 is Spinel structured and crystallizes in the cubic Fd-3m space group. The structure is three-dimensional. Ca2+ is bonded to four equivalent O2- atoms to form CaO4 tetrahedra that share corners with twelve equivalent AgO6 octahedra. The corner-sharing octahedral tilt angles are 59°. All Ca–O bond lengths are 2.24 Å. Ag3+ is bonded to six equivalent O2- atoms to form AgO6 octahedra that share corners with six equivalent CaO4 tetrahedra and edges with six equivalent AgO6 octahedra. All Ag–O bond lengths are 2.23 Å. O2- is bonded to one Ca2+ and three equivalent Ag3+ atoms to form a mixture of distorted corner and edge-sharing OCaAg3 trigonal pyramids.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Zn(AgO2)2 by Materials Project

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.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Ca(AgO2)2 by Materials Project

Ca(AgO2)2 is Spinel-like structured and crystallizes in the monoclinic Cm space group. The structure is three-dimensional. there are eight inequivalent Ca2+ sites. In the first Ca2+ site, Ca2+ is bonded to four O2- atoms to form CaO4 tetrahedra that share corners with three CaO6 octahedra and corners with nine AgO6 octahedra. The corner-sharing octahedra tilt angles range from 52–63°. There are a spread of Ca–O bond distances ranging from 2.24–2.31 Å. In the second Ca2+ site, Ca2+ is bonded to six O2- atoms to form distorted CaO6 octahedra that share corners with three CaO4 tetrahedra, corners with three AgO4 tetrahedra, and edges with six AgO6 octahedra. There are a spread of Ca–O bond distances ranging from 2.32–2.37 Å. In the third Ca2+ site, Ca2+ is bonded to four O2- atoms to form CaO4 tetrahedra that share corners with three CaO6 octahedra and corners with nine AgO6 octahedra. The corner-sharing octahedra tilt angles range from 56–64°. There are a spread of Ca–O bond distances ranging from 2.24–2.33 Å. In the fourth Ca2+ site, Ca2+ is bonded to six O2- atoms to form CaO6 octahedra that share corners with two equivalent CaO4 tetrahedra, corners with four AgO4 tetrahedra, an edgeedge with one CaO6 octahedra, and edges with five AgO6 octahedra. There are a spread of Ca–O bond distances ranging from 2.30–2.38 Å. In the fifth Ca2+ site, Ca2+ is bonded to six O2- atoms to form CaO6 octahedra that share corners with six AgO4 tetrahedra, edges with two CaO6 octahedra, and edges with four equivalent AgO6 octahedra. There are four shorter (2.30 Å) and two longer (2.36 Å) Ca–O bond lengths. In the sixth Ca2+ site, Ca2+ is bonded to six O2- atoms to form CaO6 octahedra that share corners with six AgO4 tetrahedra, edges with two CaO6 octahedra, and edges with four AgO6 octahedra. There are a spread of Ca–O bond distances ranging from 2.30–2.43 Å. In the seventh Ca2+ site, Ca2+ is bonded to six O2- atoms to form CaO6 octahedra that share a cornercorner with one CaO4 tetrahedra, corners with five AgO4 tetrahedra, an edgeedge with one CaO6 octahedra, and edges with five AgO6 octahedra. There are a spread of Ca–O bond distances ranging from 2.32–2.36 Å. In the eighth Ca2+ site, Ca2+ is bonded to six O2- atoms to form CaO6 octahedra that share corners with six AgO4 tetrahedra, edges with two CaO6 octahedra, and edges with four AgO6 octahedra. There are a spread of Ca–O bond distances ranging from 2.30–2.39 Å. 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 CaO4 tetrahedra, corners with three AgO4 tetrahedra, edges with two equivalent CaO6 octahedra, and edges with four AgO6 octahedra. There are a spread of Ag–O bond distances ranging from 2.10–2.37 Å. In the second Ag3+ site, Ag3+ is bonded to six O2- atoms to form AgO6 octahedra that share corners with three equivalent CaO4 tetrahedra, corners with three equivalent AgO4 tetrahedra, edges with two CaO6 octahedra, and edges with four AgO6 octahedra. There are a spread of Ag–O bond distances ranging from 2.10–2.37 Å. In the third Ag3+ site, Ag3+ is bonded to four O2- atoms to form AgO4 tetrahedra that share corners with six CaO6 octahedra and corners with six AgO6 octahedra. The corner-sharing octahedra tilt angles range from 55–63°. There are a spread of Ag–O bond distances ranging from 2.19–2.27 Å. In the fourth Ag3+ site, Ag3+ is bonded to six O2- atoms to form AgO6 octahedra that share corners with two equivalent CaO4 tetrahedra, corners with four AgO4 tetrahedra, edges with three CaO6 octahedra, and edges with three AgO6 octahedra. There are a spread of Ag–O bond distances ranging from 2.04–2.22 Å. In the fifth Ag3+ site, Ag3+ is bonded to four O2- atoms to form AgO4 tetrahedra that share corners with three CaO6 octahedra and corners with nine AgO6 octahedra. The corner-sharing octahedra tilt angles range from 54–66°. There are a spread of Ag–O bond distances ranging from 2.10–2.28 Å. In the sixth Ag3+ site, Ag3+ is bonded to four O2- atoms to form AgO4 tetrahedra that share corners with six CaO6 octahedra and corners with six AgO6 octahedra. The corner-sharing octahedra tilt angles range from 53–64°. There are one shorter (2.14 Å) and three longer (2.19 Å) Ag–O bond lengths. 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 CaO6 octahedra. There are a spread of Ag–O bond distances ranging from 2.06–2.19 Å. In the eighth Ag3+ site, Ag3+ is bonded to four O2- atoms to form AgO4 tetrahedra that share corners with six CaO6 octahedra and corners with six AgO6 octahedra. The corner-sharing octahedra tilt angles range from 53–66°. There are a spread of Ag–O bond distances ranging from 2.18–2.23 Å. In the ninth Ag3+ site, Ag3+ is bonded to six O2- atoms to form AgO6 octahedra that share a cornercorner with one CaO4 tetrahedra, corners with five AgO4 tetrahedra, edges with three CaO6 octahedra, and edges with three AgO6 octahedra. There are a spread of Ag–O bond distances ranging from 2.06–2.33 Å. In the tenth Ag3+ site, Ag3+ is bonded to four O2- atoms to form AgO4 tetrahedra that share corners with six CaO6 octahedra and corners with six AgO6 octahedra. The corner-sharing octahedra tilt angles range from 55–64°. There are a spread of Ag–O bond distances ranging from 2.19–2.35 Å. In the eleventh Ag3+ site, Ag3+ is bonded to six O2- atoms to form AgO6 octahedra that share corners with three equivalent CaO4 tetrahedra, corners with three equivalent AgO4 tetrahedra, edges with two CaO6 octahedra, and edges with four AgO6 octahedra. There are a spread of Ag–O bond distances ranging from 2.11–2.20 Å. In the twelfth Ag3+ site, Ag3+ is bonded to four O2- atoms to form AgO4 tetrahedra that share corners with three CaO6 octahedra and corners with nine AgO6 octahedra. The corner-sharing octahedra tilt angles range from 51–68°. There are a spread of Ag–O bond distances ranging from 2.16–2.35 Å. There are twenty-four inequivalent O2- sites. In the first O2- site, O2- is bonded to two Ca2+ and two Ag3+ atoms to form distorted OCa2Ag2 tetrahedra that share corners with two OCa2Ag2 tetrahedra, corners with seven OCaAg3 trigonal pyramids, an edgeedge with one OCa2Ag2 tetrahedra, and an edgeedge with one OCa2Ag2 trigonal pyramid. In the second O2- site, O2- is bonded to two Ca2+ and two equivalent Ag3+ atoms to form distorted OCa2Ag2 trigonal pyramids that share corners with two equivalent OCa2Ag2 tetrahedra, corners with seven OCaAg3 trigonal pyramids, and edges with two equivalent OCa2Ag2 tetrahedra. In the third O2- site, O2- is bonded in a rectangular see-saw-like geometry to one Ca2+ and three Ag3+ atoms. In the fourth O2- site, O2- is bonded in a rectangular see-saw-like geometry to four Ag3+ atoms. In the fifth O2- site, O2- is bonded to two Ca2+ and two Ag3+ atoms to form distorted OCa2Ag2 tetrahedra that share a cornercorner with one OCa2Ag2 tetrahedra, corners with five OCaAg3 trigonal pyramids, and an edgeedge with one OCa2Ag2 tetrahedra. In the sixth O2- site, O2- is bonded to one Ca2+ and three Ag3+ atoms to form distorted OCaAg3 trigonal pyramids that share corners with five OCa2Ag2 tetrahedra, corners with four OCaAg3 trigonal pyramids, and edges with two OCaAg3 trigonal pyramids. In the seventh O2- site, O2- is bonded in a rectangular see-saw-like geometry to one Ca2+ and three Ag3+ atoms. In the eighth O2- site, O2- is bonded to one Ca2+ and three Ag3+ atoms to form distorted OCaAg3 trigonal pyramids that share corners with four equivalent OCa2Ag2 tetrahedra, corners with five OCaAg3 trigonal pyramids, and edges with two equivalent OCaAg3 trigonal pyramids. In the ninth O2- site, O2- is bonded in a rectangular see-saw-like geometry to one Ca2+ and three Ag3+ atoms. In the tenth O2- site, O2- is bonded in a distorted rectangular see-saw-like geometry to two Ca2+ and two Ag3+ atoms. In the eleventh O2- site, O2- is bonded in a rectangular see-saw-like geometry to one Ca2+ and three Ag3+ atoms. In the twelfth O2- site, O2- is bonded in a distorted rectangular see-saw-like geometry to two Ca2+ and two Ag3+ atoms. In the thirteenth O2- site, O2- is bonded in a rectangular see-saw-like geometry to one Ca2+ and three Ag3+ atoms. In the fourteenth O2- site, O2- is bonded to one Ca2+ and three Ag3+ atoms to form distorted OCaAg3 trigonal pyramids that share corners with four equivalent OCa2Ag2 tetrahedra and corners with two equivalent OCaAg3 trigonal pyramids. In the fifteenth O2- site, O2- is bonded in a rectangular see-saw-like geometry to one Ca2+ and three Ag3+ atoms. In the sixteenth O2- site, O2- is bonded in a rectangular see-saw-like geometry to one Ca2+ and three Ag3+ atoms. In the seventeenth O2- site, O2- is bonded in a rectangular see-saw-like geometry to two Ca2+ and two Ag3+ atoms. In the eighteenth O2- site, O2- is bonded in a distorted rectangular see-saw-like geometry to two Ca2+ and two Ag3+ atoms. In the nineteenth O2- site, O2- is bonded to two Ca2+ and two equivalent Ag3+ atoms to form distorted OCa2Ag2 tetrahedra that share corners with two equivalent OCa2Ag2 tetrahedra and corners with seven OCaAg3 trigonal pyramids. In the twentieth O2- site, O2- is bonded in a rectangular see-saw-like geometry to one Ca2+ and three Ag3+ atoms. In the twenty-first O2- site, O2- is bonded in a rectangular see-saw-like geometry to one Ca2+ and three Ag3+ atoms. In the twenty-second O2- site, O2- is bonded in a rectangular see-saw-like geometry to four Ag3+ atoms. In the twenty-third O2- site, O2- is bonded to one Ca2+ and three Ag3+ atoms to form distorted OCaAg3 trigonal pyramids that share corners with four OCa2Ag2 tetrahedra, corners with two OCaAg3 trigonal pyramids, and edges with two OCaAg3 trigonal pyramids. In the twenty-fourth O2- site, O2- is bonded to one Ca2+ and three Ag3+ atoms to form distorted OCaAg3 trigonal pyramids that share corners with three equivalent OCa2Ag2 tetrahedra and edges with two equivalent OCaAg3 trigonal pyramids.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Mg(AgO2)2 by Materials Project

Mg(AgO2)2 is Spinel-like structured and crystallizes in the monoclinic Cm space group. The structure is three-dimensional. there are eight inequivalent Mg2+ sites. In the first Mg2+ site, Mg2+ is bonded to four O2- atoms to form MgO4 tetrahedra that share corners with three MgO6 octahedra and corners with nine AgO6 octahedra. The corner-sharing octahedra tilt angles range from 49–63°. There are two shorter (2.03 Å) and two longer (2.08 Å) Mg–O bond lengths. In the second Mg2+ site, Mg2+ is bonded to six O2- atoms to form MgO6 octahedra that share corners with three MgO4 tetrahedra, corners with three AgO4 tetrahedra, and edges with six AgO6 octahedra. There are a spread of Mg–O bond distances ranging from 2.12–2.15 Å. In the third Mg2+ site, Mg2+ is bonded to four O2- atoms to form MgO4 tetrahedra that share corners with three MgO6 octahedra and corners with nine AgO6 octahedra. The corner-sharing octahedra tilt angles range from 51–62°. There are a spread of Mg–O bond distances ranging from 2.06–2.09 Å. In the fourth Mg2+ site, Mg2+ is bonded to six O2- atoms to form MgO6 octahedra that share corners with two equivalent MgO4 tetrahedra, corners with four AgO4 tetrahedra, an edgeedge with one MgO6 octahedra, and edges with five AgO6 octahedra. There are a spread of Mg–O bond distances ranging from 2.10–2.15 Å. In the fifth Mg2+ site, Mg2+ is bonded to six O2- atoms to form MgO6 octahedra that share corners with six AgO4 tetrahedra, edges with two MgO6 octahedra, and edges with four equivalent AgO6 octahedra. There are a spread of Mg–O bond distances ranging from 2.09–2.14 Å. In the sixth Mg2+ site, Mg2+ is bonded to six O2- atoms to form MgO6 octahedra that share corners with six AgO4 tetrahedra, edges with two MgO6 octahedra, and edges with four AgO6 octahedra. There are a spread of Mg–O bond distances ranging from 2.08–2.16 Å. In the seventh Mg2+ site, Mg2+ is bonded to six O2- atoms to form MgO6 octahedra that share a cornercorner with one MgO4 tetrahedra, corners with five AgO4 tetrahedra, an edgeedge with one MgO6 octahedra, and edges with five AgO6 octahedra. There are a spread of Mg–O bond distances ranging from 2.07–2.16 Å. In the eighth Mg2+ site, Mg2+ is bonded to six O2- atoms to form MgO6 octahedra that share corners with six AgO4 tetrahedra, edges with two MgO6 octahedra, and edges with four AgO6 octahedra. There are a spread of Mg–O bond distances ranging from 2.10–2.15 Å. 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 MgO4 tetrahedra, corners with three AgO4 tetrahedra, edges with two equivalent MgO6 octahedra, and edges with four AgO6 octahedra. There are a spread of Ag–O bond distances ranging from 2.10–2.25 Å. In the second Ag3+ site, Ag3+ is bonded to six O2- atoms to form AgO6 octahedra that share corners with three equivalent MgO4 tetrahedra, corners with three equivalent AgO4 tetrahedra, edges with two MgO6 octahedra, and edges with four AgO6 octahedra. There are a spread of Ag–O bond distances ranging from 2.10–2.21 Å. In the third Ag3+ site, Ag3+ is bonded to four O2- atoms to form AgO4 tetrahedra that share corners with six MgO6 octahedra and corners with six AgO6 octahedra. The corner-sharing octahedra tilt angles range from 57–66°. There are a spread of Ag–O bond distances ranging from 2.18–2.24 Å. In the fourth Ag3+ site, Ag3+ is bonded to six O2- atoms to form AgO6 octahedra that share corners with two equivalent MgO4 tetrahedra, corners with four AgO4 tetrahedra, edges with three MgO6 octahedra, and edges with three AgO6 octahedra. There are a spread of Ag–O bond distances ranging from 2.06–2.26 Å. In the fifth Ag3+ site, Ag3+ is bonded to four O2- atoms to form AgO4 tetrahedra that share corners with three MgO6 octahedra and corners with nine AgO6 octahedra. The corner-sharing octahedra tilt angles range from 57–64°. There are one shorter (2.10 Å) and three longer (2.20 Å) Ag–O bond lengths. In the sixth Ag3+ site, Ag3+ is bonded to four O2- atoms to form AgO4 tetrahedra that share corners with six MgO6 octahedra and corners with six AgO6 octahedra. The corner-sharing octahedra tilt angles range from 55–65°. 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 MgO6 octahedra. There are a spread of Ag–O bond distances ranging from 2.07–2.15 Å. In the eighth Ag3+ site, Ag3+ is bonded to four O2- atoms to form AgO4 tetrahedra that share corners with six MgO6 octahedra and corners with six AgO6 octahedra. The corner-sharing octahedra tilt angles range from 56–65°. There are a spread of Ag–O bond distances ranging from 2.13–2.18 Å. In the ninth Ag3+ site, Ag3+ is bonded to six O2- atoms to form AgO6 octahedra that share a cornercorner with one MgO4 tetrahedra, corners with five AgO4 tetrahedra, edges with three MgO6 octahedra, and edges with three AgO6 octahedra. There are a spread of Ag–O bond distances ranging from 2.05–2.20 Å. In the tenth Ag3+ site, Ag3+ is bonded to four O2- atoms to form AgO4 tetrahedra that share corners with six MgO6 octahedra and corners with six AgO6 octahedra. The corner-sharing octahedra tilt angles range from 55–65°. There are two shorter (2.18 Å) and two longer (2.19 Å) Ag–O bond lengths. In the eleventh Ag3+ site, Ag3+ is bonded to six O2- atoms to form AgO6 octahedra that share corners with three equivalent MgO4 tetrahedra, corners with three equivalent AgO4 tetrahedra, edges with two MgO6 octahedra, and edges with four AgO6 octahedra. There are a spread of Ag–O bond distances ranging from 2.12–2.25 Å. In the twelfth Ag3+ site, Ag3+ is bonded to four O2- atoms to form AgO4 tetrahedra that share corners with three MgO6 octahedra and corners with nine AgO6 octahedra. The corner-sharing octahedra tilt angles range from 58–63°. There are one shorter (2.13 Å) and three longer (2.21 Å) Ag–O bond lengths. There are twenty-four inequivalent O2- sites. In the first O2- site, O2- is bonded in a rectangular see-saw-like geometry to two Mg2+ and two Ag3+ atoms. In the second O2- site, O2- is bonded in a rectangular see-saw-like geometry to two Mg2+ and two equivalent Ag3+ atoms. In the third O2- site, O2- is bonded in a rectangular see-saw-like geometry to one Mg2+ and three Ag3+ atoms. In the fourth O2- site, O2- is bonded to four Ag3+ atoms to form a mixture of distorted edge and corner-sharing OAg4 trigonal pyramids. In the fifth O2- site, O2- is bonded in a rectangular see-saw-like geometry to two Mg2+ and two Ag3+ atoms. In the sixth O2- site, O2- is bonded to one Mg2+ and three Ag3+ atoms to form distorted OMgAg3 tetrahedra that share a cornercorner with one OMgAg3 tetrahedra, corners with two OMgAg3 trigonal pyramids, edges with two OMgAg3 tetrahedra, and an edgeedge with one OAg4 trigonal pyramid. In the seventh O2- site, O2- is bonded to one Mg2+ and three Ag3+ atoms to form distorted OMgAg3 tetrahedra that share corners with six OMg2Ag2 tetrahedra and corners with six OMgAg3 trigonal pyramids. In the eighth O2- site, O2- is bonded to one Mg2+ and three Ag3+ atoms to form distorted OMgAg3 tetrahedra that share corners with two equivalent OMgAg3 tetrahedra, a cornercorner with one OAg4 trigonal pyramid, edges with two equivalent OMgAg3 tetrahedra, and an edgeedge with one OAg4 trigonal pyramid. In the ninth O2- site, O2- is bonded in a distorted rectangular see-saw-like geometry to one Mg2+ and three Ag3+ atoms. In the tenth O2- site, O2- is bonded to two Mg2+ and two Ag3+ atoms to form distorted OMg2Ag2 tetrahedra that share corners with seven OMg2Ag2 tetrahedra, corners with five OMgAg3 trigonal pyramids, an edgeedge with one OMg2Ag2 tetrahedra, and edges with two OMgAg3 trigonal pyramids. In the eleventh O2- site, O2- is bonded to one Mg2+ and three Ag3+ atoms to form distorted OMgAg3 trigonal pyramids that share corners with six OMgAg3 tetrahedra, corners with two OMgAg3 trigonal pyramids, edges with two equivalent OMg2Ag2 tetrahedra, and an edgeedge with one OMgAg3 trigonal pyramid. In the twelfth O2- site, O2- is bonded to two Mg2+ and two Ag3+ atoms to form distorted OMg2Ag2 tetrahedra that share corners with five OMgAg3 tetrahedra, corners with three OMgAg3 trigonal pyramids, an edgeedge with one OMg2Ag2 tetrahedra, and edges with two OMgAg3 trigonal pyramids. In the thirteenth O2- site, O2- is bonded to one Mg2+ and three Ag3+ atoms to form distorted OMgAg3 trigonal pyramids that share corners with six OMg2Ag2 tetrahedra, corners with six OMgAg3 trigonal pyramids, edges with two equivalent OMg2Ag2 tetrahedra, and an edgeedge with one OMgAg3 trigonal pyramid. In the fourteenth O2- site, O2- is bonded to one Mg2+ and three Ag3+ atoms to form distorted OMgAg3 trigonal pyramids that share corners with five OMgAg3 tetrahedra, a cornercorner with one OAg4 trigonal pyramid, edges with two equivalent OMg2Ag2 tetrahedra, and an edgeedge with one OMgAg3 trigonal pyramid. In the fifteenth O2- site, O2- is bonded to one Mg2+ and three Ag3+ atoms to form distorted OMgAg3 trigonal pyramids that share corners with seven OMg2Ag2 tetrahedra, corners with five OMgAg3 trigonal pyramids, edges with two equivalent OMg2Ag2 tetrahedra, and an edgeedge with one OMgAg3 trigonal pyramid. In the sixteenth O2- site, O2- is bonded to one Mg2+ and three Ag3+ atoms to form distorted OMgAg3 trigonal pyramids that share corners with six OMg2Ag2 tetrahedra, corners with six OMgAg3 trigonal pyramids, edges with two equivalent OMg2Ag2 tetrahedra, and an edgeedge with one OMgAg3 trigonal pyramid. In the seventeenth O2- site, O2- is bonded to two Mg2+ and two Ag3+ atoms to form distorted OMg2Ag2 tetrahedra that share corners with six OMg2Ag2 tetrahedra, corners with six OMgAg3 trigonal pyramids, an edgeedge with one OMg2Ag2 tetrahedra, and an edgeedge with one OMgAg3 trigonal pyramid. In the eighteenth O2- site, O2- is bonded to two Mg2+ and two Ag3+ atoms to form distorted OMg2Ag2 tetrahedra that share corners with six OMg2Ag2 tetrahedra, corners with six OMgAg3 trigonal pyramids, an edgeedge with one OMg2Ag2 tetrahedra, and edges with two OMgAg3 trigonal pyramids. In the nineteenth O2- site, O2- is bonded in a rectangular see-saw-like geometry to two Mg2+ and two equivalent Ag3+ atoms. In the twentieth O2- site, O2- is bonded to one Mg2+ and three Ag3+ atoms to form distorted OMgAg3 trigonal pyramids that share corners with six OMg2Ag2 tetrahedra, corners with six OMgAg3 trigonal pyramids, edges with two equivalent OMg2Ag2 tetrahedra, and an edgeedge with one OMgAg3 trigonal pyramid. In the twenty-first O2- site, O2- is bonded to one Mg2+ and three Ag3+ atoms to form distorted OMgAg3 trigonal pyramids that share corners with six OMg2Ag2 tetrahedra, corners with six OMgAg3 trigonal pyramids, and edges with two equivalent OMg2Ag2 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 OMg2Ag2 tetrahedra, corners with two equivalent OMgAg3 trigonal pyramids, edges with two equivalent OMgAg3 tetrahedra, and an edgeedge with one OMgAg3 trigonal pyramid. In the twenty-third O2- site, O2- is bonded to one Mg2+ and three Ag3+ atoms to form distorted OMgAg3 tetrahedra that share corners with five OMg2Ag2 tetrahedra, corners with two OMgAg3 trigonal pyramids, an edgeedge with one OMgAg3 tetrahedra, and edges with two OAg4 trigonal pyramids. In the twenty-fourth O2- site, O2- is bonded to one Mg2+ and three Ag3+ atoms to form distorted OMgAg3 trigonal pyramids that share corners with six OMg2Ag2 tetrahedra, corners with three OMgAg3 trigonal pyramids, edges with two equivalent OMgAg3 tetrahedra, and an edgeedge with one OAg4 trigonal pyramid.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Mg(AgO2)2 by Materials Project

Mg(AgO2)2 is Spinel-like structured and crystallizes in the triclinic P1 space group. The structure is three-dimensional. there are six inequivalent Mg2+ sites. In the first Mg2+ site, Mg2+ is bonded to four O2- atoms to form MgO4 tetrahedra that share corners with three MgO6 octahedra and corners with nine AgO6 octahedra. The corner-sharing octahedra tilt angles range from 50–62°. There are a spread of Mg–O bond distances ranging from 2.04–2.09 Å. In the second Mg2+ site, Mg2+ is bonded to six O2- atoms to form MgO6 octahedra that share corners with six AgO4 tetrahedra, edges with two MgO6 octahedra, and edges with four AgO6 octahedra. There are a spread of Mg–O bond distances ranging from 2.09–2.15 Å. In the third Mg2+ site, Mg2+ is bonded to six O2- atoms to form MgO6 octahedra that share corners with two equivalent MgO4 tetrahedra, corners with four AgO4 tetrahedra, an edgeedge with one MgO6 octahedra, and edges with five AgO6 octahedra. There are a spread of Mg–O bond distances ranging from 2.10–2.15 Å. In the fourth Mg2+ site, Mg2+ is bonded to six O2- atoms to form MgO6 octahedra that share corners with six AgO4 tetrahedra, edges with two MgO6 octahedra, and edges with four AgO6 octahedra. There are a spread of Mg–O bond distances ranging from 2.10–2.14 Å. In the fifth Mg2+ site, Mg2+ is bonded to six O2- atoms to form MgO6 octahedra that share corners with six AgO4 tetrahedra, edges with two MgO6 octahedra, and edges with four AgO6 octahedra. There are four shorter (2.09 Å) and two longer (2.13 Å) Mg–O bond lengths. In the sixth Mg2+ site, Mg2+ is bonded to six O2- atoms to form MgO6 octahedra that share a cornercorner with one MgO4 tetrahedra, corners with five AgO4 tetrahedra, an edgeedge with one MgO6 octahedra, and edges with five AgO6 octahedra. There are a spread of Mg–O bond distances ranging from 2.08–2.15 Å. 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 two equivalent MgO4 tetrahedra, corners with four AgO4 tetrahedra, edges with three MgO6 octahedra, and edges with three AgO6 octahedra. There are a spread of Ag–O bond distances ranging from 2.06–2.23 Å. In the second Ag3+ site, Ag3+ is bonded to four O2- atoms to form AgO4 tetrahedra that share corners with six MgO6 octahedra and corners with six AgO6 octahedra. The corner-sharing octahedra tilt angles range from 57–65°. There are three shorter (2.18 Å) and one longer (2.23 Å) Ag–O bond lengths. In the third Ag3+ site, Ag3+ is bonded to six O2- atoms to form AgO6 octahedra that share corners with three equivalent MgO4 tetrahedra, corners with three equivalent AgO4 tetrahedra, edges with two MgO6 octahedra, and edges with four AgO6 octahedra. There are a spread of Ag–O bond distances ranging from 2.10–2.25 Å. In the fourth Ag3+ site, Ag3+ is bonded to six O2- atoms to form AgO6 octahedra that share corners with two equivalent MgO4 tetrahedra, corners with four AgO4 tetrahedra, edges with three MgO6 octahedra, and edges with three AgO6 octahedra. There are a spread of Ag–O bond distances ranging from 2.06–2.24 Å. In the fifth 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 MgO6 octahedra. There are a spread of Ag–O bond distances ranging from 2.07–2.15 Å. In the sixth Ag3+ site, Ag3+ is bonded to four O2- atoms to form AgO4 tetrahedra that share corners with six MgO6 octahedra and corners with six AgO6 octahedra. The corner-sharing octahedra tilt angles range from 56–64°. There are a spread of Ag–O bond distances ranging from 2.16–2.19 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 MgO6 octahedra. There are a spread of Ag–O bond distances ranging from 2.07–2.15 Å. In the eighth Ag3+ site, Ag3+ is bonded to six O2- atoms to form AgO6 octahedra that share a cornercorner with one MgO4 tetrahedra, corners with five AgO4 tetrahedra, edges with three MgO6 octahedra, and edges with three AgO6 octahedra. There are a spread of Ag–O bond distances ranging from 2.06–2.21 Å. In the ninth Ag3+ site, Ag3+ is bonded to four O2- atoms to form AgO4 tetrahedra that share corners with six MgO6 octahedra and corners with six AgO6 octahedra. The corner-sharing octahedra tilt angles range from 57–64°. There are a spread of Ag–O bond distances ranging from 2.13–2.19 Å. In the tenth Ag3+ site, Ag3+ is bonded to six O2- atoms to form AgO6 octahedra that share a cornercorner with one MgO4 tetrahedra, corners with five AgO4 tetrahedra, edges with three MgO6 octahedra, and edges with three AgO6 octahedra. There are a spread of Ag–O bond distances ranging from 2.06–2.20 Å. In the eleventh Ag3+ site, Ag3+ is bonded to four O2- atoms to form AgO4 tetrahedra that share corners with six MgO6 octahedra and corners with six AgO6 octahedra. The corner-sharing octahedra tilt angles range from 56–64°. There are a spread of Ag–O bond distances ranging from 2.17–2.19 Å. In the twelfth Ag3+ site, Ag3+ is bonded to four O2- atoms to form AgO4 tetrahedra that share corners with three MgO6 octahedra and corners with nine AgO6 octahedra. The corner-sharing octahedra tilt angles range from 58–63°. There are a spread of Ag–O bond distances ranging from 2.12–2.21 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 Mg2+ and two Ag3+ atoms. In the second O2- site, O2- is bonded to one Mg2+ and three Ag3+ atoms to form distorted OMgAg3 tetrahedra that share corners with six OMg2Ag2 tetrahedra and corners with six OMgAg3 trigonal pyramids. In the third O2- site, O2- is bonded in a rectangular see-saw-like geometry to two Mg2+ and two Ag3+ atoms. In the fourth O2- site, O2- is bonded in a rectangular see-saw-like geometry to one Mg2+ and three Ag3+ atoms. In the fifth O2- site, O2- is bonded to two Mg2+ and two Ag3+ atoms to form distorted OMg2Ag2 tetrahedra that share corners with seven OMg2Ag2 tetrahedra, corners with five OMgAg3 trigonal pyramids, an edgeedge with one OMg2Ag2 tetrahedra, and edges with two OMgAg3 trigonal pyramids. In the sixth O2- site, O2- is bonded to one Mg2+ and three Ag3+ atoms to form distorted OMgAg3 trigonal pyramids that share corners with six OMgAg3 tetrahedra, corners with two OMgAg3 trigonal pyramids, edges with two OMg2Ag2 tetrahedra, and an edgeedge with one OMgAg3 trigonal pyramid. In the seventh O2- site, O2- is bonded to one Mg2+ and three Ag3+ atoms to form distorted OMgAg3 trigonal pyramids that share corners with six OMg2Ag2 tetrahedra, corners with six OMgAg3 trigonal pyramids, edges with two OMg2Ag2 tetrahedra, and an edgeedge with one OMgAg3 trigonal pyramid. In the eighth O2- site, O2- is bonded to two Mg2+ and two Ag3+ atoms to form distorted OMg2Ag2 tetrahedra that share corners with five OMgAg3 tetrahedra, corners with three OMgAg3 trigonal pyramids, an edgeedge with one OMg2Ag2 tetrahedra, and edges with two OMgAg3 trigonal pyramids. In the ninth O2- site, O2- is bonded to two Mg2+ and two Ag3+ atoms to form distorted OMg2Ag2 tetrahedra that share corners with seven OMg2Ag2 tetrahedra, corners with five OMgAg3 trigonal pyramids, an edgeedge with one OMg2Ag2 tetrahedra, and edges with two OMgAg3 trigonal pyramids. In the tenth O2- site, O2- is bonded to one Mg2+ and three Ag3+ atoms to form distorted OMgAg3 trigonal pyramids that share corners with five OMgAg3 tetrahedra, a cornercorner with one OAg4 trigonal pyramid, edges with two OMg2Ag2 tetrahedra, and an edgeedge with one OMgAg3 trigonal pyramid. In the eleventh O2- site, O2- is bonded to one Mg2+ and three Ag3+ atoms to form distorted OMgAg3 trigonal pyramids that share corners with seven OMg2Ag2 tetrahedra, corners with five OMgAg3 trigonal pyramids, edges with two OMg2Ag2 tetrahedra, and an edgeedge with one OMgAg3 trigonal pyramid. In the twelfth O2- site, O2- is bonded to two Mg2+ and two Ag3+ atoms to form distorted OMg2Ag2 tetrahedra that share corners with five OMgAg3 tetrahedra, corners with three OMgAg3 trigonal pyramids, an edgeedge with one OMg2Ag2 tetrahedra, and edges with two OMgAg3 trigonal pyramids. In the thirteenth O2- site, O2- is bonded to two Mg2+ and two Ag3+ atoms to form distorted OMg2Ag2 tetrahedra that share corners with six OMg2Ag2 tetrahedra, corners with six OMgAg3 trigonal pyramids, an edgeedge with one OMg2Ag2 tetrahedra, and an edgeedge with one OMgAg3 trigonal pyramid. In the fourteenth O2- site, O2- is bonded to one Mg2+ and three Ag3+ atoms to form distorted OMgAg3 trigonal pyramids that share corners with six OMg2Ag2 tetrahedra, corners with six OMgAg3 trigonal pyramids, edges with two OMg2Ag2 tetrahedra, and an edgeedge with one OMgAg3 trigonal pyramid. In the fifteenth O2- site, O2- is bonded to two Mg2+ and two Ag3+ atoms to form distorted OMg2Ag2 tetrahedra that share corners with six OMg2Ag2 tetrahedra, corners with six OMgAg3 trigonal pyramids, an edgeedge with one OMg2Ag2 tetrahedra, and edges with two OMgAg3 trigonal pyramids. In the sixteenth O2- site, O2- is bonded to two Mg2+ and two Ag3+ atoms to form distorted OMg2Ag2 tetrahedra that share corners with six OMg2Ag2 tetrahedra, corners with six OMgAg3 trigonal pyramids, an edgeedge with one OMg2Ag2 tetrahedra, and an edgeedge with one OMgAg3 trigonal pyramid. In the seventeenth O2- site, O2- is bonded in a rectangular see-saw-like geometry to two Mg2+ and two Ag3+ atoms. In the eighteenth O2- site, O2- is bonded to one Mg2+ and three Ag3+ atoms to form distorted OMgAg3 trigonal pyramids that share corners with six OMg2Ag2 tetrahedra, corners with six OMgAg3 trigonal pyramids, edges with two OMg2Ag2 tetrahedra, and an edgeedge with one OMgAg3 trigonal pyramid. In the nineteenth O2- site, O2- is bonded to one Mg2+ and three Ag3+ atoms to form distorted OMgAg3 trigonal pyramids that share corners with six OMg2Ag2 tetrahedra, corners with six OAg4 trigonal pyramids, and edges with two OMg2Ag2 tetrahedra. In the twentieth O2- site, O2- is bonded to two Mg2+ and two Ag3+ atoms to form distorted OMg2Ag2 tetrahedra that share corners with six OMg2Ag2 tetrahedra, corners with six OMgAg3 trigonal pyramids, an edgeedge with one OMg2Ag2 tetrahedra, and edges with two OMgAg3 trigonal pyramids. In the twenty-first O2- site, O2- is bonded to four Ag3+ atoms to form distorted OAg4 trigonal pyramids that share corners with four OMg2Ag2 tetrahedra, corners with three OMgAg3 trigonal pyramids, edges with two OMgAg3 tetrahedra, and an edgeedge with one OMgAg3 trigonal pyramid. In the twenty-second O2- site, O2- is bonded to one Mg2+ and three Ag3+ atoms to form distorted OMgAg3 tetrahedra that share corners with four OMg2Ag2 tetrahedra, corners with three OMgAg3 trigonal pyramids, an edgeedge with one OMgAg3 tetrahedra, and edges with two OMgAg3 trigonal pyramids. In the twenty-third O2- site, O2- is bonded to one Mg2+ and three Ag3+ atoms to form distorted OMgAg3 trigonal pyramids that share corners with six OMg2Ag2 tetrahedra, corners with three OMgAg3 trigonal pyramids, edges with two OMgAg3 tetrahedra, and an edgeedge with one OAg4 trigonal pyramid. In the twenty-fourth O2- site, O2- is bonded to one Mg2+ and three Ag3+ atoms to form distorted OMgAg3 tetrahedra that share corners with four OMg2Ag2 tetrahedra, corners with three OMgAg3 trigonal pyramids, an edgeedge with one OMgAg3 tetrahedra, and edges with two OMgAg3 trigonal pyramids.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Zn(AgO2)2 by Materials Project

Zn(AgO2)2 is Spinel-like structured and crystallizes in the triclinic P1 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 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 2.08–2.25 Å. In the second 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 58–64°. There are a spread of Ag–O bond distances ranging from 2.18–2.27 Å. In the third 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 2.10–2.29 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 2.07–2.28 Å. In the fifth 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 two shorter (2.08 Å) and four longer (2.14 Å) Ag–O bond lengths. 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 56–63°. There are a spread of Ag–O bond distances ranging from 2.15–2.22 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 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 2.06–2.19 Å. In the ninth 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 55–63°. There are a spread of Ag–O bond distances ranging from 2.11–2.19 Å. In the tenth 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 2.05–2.19 Å. In the eleventh 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 58–63°. There are a spread of Ag–O bond distances ranging from 2.18–2.21 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 58–63°. There are a spread of Ag–O bond distances ranging from 2.12–2.22 Å. There are six 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 51–61°. There are a spread of Zn–O bond distances ranging from 2.00–2.09 Å. In the second 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 2.09–2.19 Å. In the third 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 2.11–2.21 Å. In the fourth 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 2.10–2.19 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 AgO6 octahedra. There are a spread of Zn–O bond distances ranging from 2.10–2.18 Å. In the sixth 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 2.07–2.23 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 to three Ag3+ and one Zn2+ atom to form distorted OZnAg3 tetrahedra that share corners with six OZn2Ag2 tetrahedra, corners with four OZnAg3 trigonal pyramids, and an edgeedge with one OZn2Ag2 trigonal pyramid. In the third O2- site, O2- is bonded to two Ag3+ and two Zn2+ atoms to form distorted OZn2Ag2 trigonal pyramids that share corners with five OZnAg3 tetrahedra, corners with three OAg4 trigonal pyramids, and an edgeedge with one OZnAg3 tetrahedra. In the fourth O2- site, O2- is bonded in a rectangular see-saw-like geometry to three Ag3+ and one Zn2+ atom. In the fifth 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 sixth O2- site, O2- is bonded in a rectangular see-saw-like geometry to three Ag3+ and one Zn2+ atom. In the seventh 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 OZn2Ag2 tetrahedra, and an edgeedge with one OZnAg3 trigonal pyramid. In the eighth 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 four OZnAg3 trigonal pyramids, an edgeedge with one OZn2Ag2 tetrahedra, and an edgeedge with one OZnAg3 trigonal pyramid. In the ninth 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 tenth 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, corners with three OAg4 trigonal pyramids, and edges with two OZn2Ag2 tetrahedra. In the eleventh 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 OZn2Ag2 tetrahedra, and an edgeedge with one OZnAg3 trigonal pyramid. 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 three 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 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 fourteenth 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 OZn2Ag2 tetrahedra, and an edgeedge with one OZnAg3 trigonal pyramid. In the fifteenth 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 sixteenth 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 seventeenth O2- site, O2- is bonded in a rectangular see-saw-like geometry to two Ag3+ and two Zn2+ atoms. In the eighteenth 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 OZn2Ag2 tetrahedra, and an edgeedge with one OZnAg3 trigonal pyramid. In the nineteenth 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 OAg4 trigonal pyramids, and edges with two OZn2Ag2 tetrahedra. In the twentieth 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 twenty-first O2- site, O2- is bonded to four Ag3+ atoms to form distorted OAg4 trigonal pyramids that share corners with four OZn2Ag2 tetrahedra, corners with four OZnAg3 trigonal pyramids, edges with two OZnAg3 tetrahedra, and an edgeedge with one OZnAg3 trigonal pyramid. In the twenty-second O2- site, O2- is bonded to three Ag3+ and one Zn2+ atom to form distorted OZnAg3 tetrahedra that share corners with four OZn2Ag2 tetrahedra, corners with four OZnAg3 trigonal pyramids, an edgeedge with one OZnAg3 tetrahedra, and edges with two OZnAg3 trigonal pyramids. In the twenty-third 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 OZnAg3 tetrahedra, and an edgeedge with one OAg4 trigonal pyramid. In the twenty-fourth O2- site, O2- is bonded to three Ag3+ and one Zn2+ atom to form distorted OZnAg3 tetrahedra that share corners with four OZn2Ag2 tetrahedra, corners with four OZnAg3 trigonal pyramids, an edgeedge with one OZnAg3 tetrahedra, and edges with two OZnAg3 trigonal pyramids.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Ca(AgO2)2 by Materials Project

Ca(AgO2)2 is Spinel-like structured and crystallizes in the monoclinic Cm space group. The structure is three-dimensional. there are six inequivalent Ca2+ sites. In the first Ca2+ site, Ca2+ is bonded to four O2- atoms to form CaO4 tetrahedra that share corners with three CaO6 octahedra and corners with nine AgO6 octahedra. The corner-sharing octahedra tilt angles range from 57–63°. There are a spread of Ca–O bond distances ranging from 2.24–2.34 Å. In the second Ca2+ site, Ca2+ is bonded to six O2- atoms to form CaO6 octahedra that share corners with six AgO4 tetrahedra, edges with two CaO6 octahedra, and edges with four AgO6 octahedra. There are a spread of Ca–O bond distances ranging from 2.30–2.42 Å. In the third Ca2+ site, Ca2+ is bonded to six O2- atoms to form CaO6 octahedra that share corners with two equivalent CaO4 tetrahedra, corners with four AgO4 tetrahedra, an edgeedge with one CaO6 octahedra, and edges with five AgO6 octahedra. There are a spread of Ca–O bond distances ranging from 2.30–2.39 Å. In the fourth Ca2+ site, Ca2+ is bonded to six O2- atoms to form CaO6 octahedra that share corners with six AgO4 tetrahedra, edges with two CaO6 octahedra, and edges with four AgO6 octahedra. There are a spread of Ca–O bond distances ranging from 2.30–2.38 Å. In the fifth Ca2+ site, Ca2+ is bonded to six O2- atoms to form CaO6 octahedra that share corners with six AgO4 tetrahedra, edges with two CaO6 octahedra, and edges with four equivalent AgO6 octahedra. There are four shorter (2.30 Å) and two longer (2.36 Å) Ca–O bond lengths. In the sixth Ca2+ site, Ca2+ is bonded to six O2- atoms to form CaO6 octahedra that share a cornercorner with one CaO4 tetrahedra, corners with five AgO4 tetrahedra, an edgeedge with one CaO6 octahedra, and edges with five AgO6 octahedra. There are a spread of Ca–O bond distances ranging from 2.31–2.36 Å. There are nine inequivalent Ag3+ sites. In the first Ag3+ site, Ag3+ is bonded to six O2- atoms to form AgO6 octahedra that share corners with two equivalent CaO4 tetrahedra, corners with four AgO4 tetrahedra, edges with three CaO6 octahedra, and edges with three AgO6 octahedra. There are a spread of Ag–O bond distances ranging from 2.05–2.22 Å. In the second Ag3+ site, Ag3+ is bonded to four O2- atoms to form AgO4 tetrahedra that share corners with six CaO6 octahedra and corners with six AgO6 octahedra. The corner-sharing octahedra tilt angles range from 55–63°. There are a spread of Ag–O bond distances ranging from 2.19–2.28 Å. In the third Ag3+ site, Ag3+ is bonded to six O2- atoms to form AgO6 octahedra that share corners with three equivalent CaO4 tetrahedra, corners with three equivalent AgO4 tetrahedra, edges with two CaO6 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 fourth 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 CaO6 octahedra. There are a spread of Ag–O bond distances ranging from 2.06–2.19 Å. In the fifth Ag3+ site, Ag3+ is bonded to four O2- atoms to form AgO4 tetrahedra that share corners with six CaO6 octahedra and corners with six AgO6 octahedra. The corner-sharing octahedra tilt angles range from 53–64°. There are one shorter (2.17 Å) and three longer (2.20 Å) Ag–O bond lengths. In the sixth Ag3+ site, Ag3+ is bonded to six O2- atoms to form AgO6 octahedra that share a cornercorner with one CaO4 tetrahedra, corners with five AgO4 tetrahedra, edges with three CaO6 octahedra, and edges with three AgO6 octahedra. There are a spread of Ag–O bond distances ranging from 2.05–2.28 Å. In the seventh Ag3+ site, Ag3+ is bonded to four O2- atoms to form AgO4 tetrahedra that share corners with six CaO6 octahedra and corners with six AgO6 octahedra. The corner-sharing octahedra tilt angles range from 52–65°. There are a spread of Ag–O bond distances ranging from 2.19–2.21 Å. In the eighth Ag3+ site, Ag3+ is bonded to four O2- atoms to form AgO4 tetrahedra that share corners with six CaO6 octahedra and corners with six AgO6 octahedra. The corner-sharing octahedra tilt angles range from 55–64°. There are a spread of Ag–O bond distances ranging from 2.18–2.33 Å. In the ninth Ag3+ site, Ag3+ is bonded to four O2- atoms to form AgO4 tetrahedra that share corners with three CaO6 octahedra and corners with nine AgO6 octahedra. The corner-sharing octahedra tilt angles range from 55–68°. There are a spread of Ag–O bond distances ranging from 2.15–2.27 Å. There are eighteen inequivalent O2- sites. In the first O2- site, O2- is bonded to two Ca2+ and two Ag3+ atoms to form distorted OCa2Ag2 tetrahedra that share corners with two OCa2Ag2 tetrahedra, corners with five OCaAg3 trigonal pyramids, an edgeedge with one OCa2Ag2 tetrahedra, and an edgeedge with one OCaAg3 trigonal pyramid. In the second O2- site, O2- is bonded in a rectangular see-saw-like geometry to one Ca2+ and three Ag3+ atoms. In the third O2- site, O2- is bonded to one Ca2+ and three Ag3+ atoms to form distorted OCaAg3 trigonal pyramids that share corners with three OCa2Ag2 tetrahedra, corners with four OCaAg3 trigonal pyramids, and edges with two equivalent OCa2Ag2 tetrahedra. In the fourth O2- site, O2- is bonded in a distorted rectangular see-saw-like geometry to two Ca2+ and two Ag3+ atoms. In the fifth O2- site, O2- is bonded in a rectangular see-saw-like geometry to one Ca2+ and three Ag3+ atoms. In the sixth O2- site, O2- is bonded in a rectangular see-saw-like geometry to one Ca2+ and three Ag3+ atoms. In the seventh O2- site, O2- is bonded in a rectangular see-saw-like geometry to two Ca2+ and two Ag3+ atoms. In the eighth O2- site, O2- is bonded to one Ca2+ and three Ag3+ atoms to form distorted OCaAg3 trigonal pyramids that share corners with four equivalent OCa2Ag2 tetrahedra and corners with four OCaAg3 trigonal pyramids. In the ninth O2- site, O2- is bonded in a rectangular see-saw-like geometry to one Ca2+ and three Ag3+ atoms. In the tenth O2- site, O2- is bonded in a rectangular see-saw-like geometry to two Ca2+ and two Ag3+ atoms. In the eleventh O2- site, O2- is bonded in a rectangular see-saw-like geometry to one Ca2+ and three Ag3+ atoms. In the twelfth O2- site, O2- is bonded in a distorted rectangular see-saw-like geometry to two Ca2+ and two Ag3+ atoms. In the thirteenth O2- site, O2- is bonded to two Ca2+ and two equivalent Ag3+ atoms to form distorted OCa2Ag2 tetrahedra that share corners with two equivalent OCa2Ag2 tetrahedra and corners with eight OCaAg3 trigonal pyramids. In the fourteenth O2- site, O2- is bonded in a rectangular see-saw-like geometry to one Ca2+ and three Ag3+ atoms. In the fifteenth O2- site, O2- is bonded in a rectangular see-saw-like geometry to one Ca2+ and three Ag3+ atoms. In the sixteenth O2- site, O2- is bonded in a rectangular see-saw-like geometry to four Ag3+ atoms. In the seventeenth O2- site, O2- is bonded to one Ca2+ and three Ag3+ atoms to form distorted OCaAg3 trigonal pyramids that share corners with four OCa2Ag2 tetrahedra, corners with three OCaAg3 trigonal pyramids, and edges with two OCaAg3 trigonal pyramids. In the eighteenth O2- site, O2- is bonded to one Ca2+ and three Ag3+ atoms to form distorted OCaAg3 trigonal pyramids that share corners with three equivalent OCa2Ag2 tetrahedra and edges with two equivalent OCaAg3 trigonal pyramids.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Mg(AgO2)2 by Materials Project

Mg(AgO2)2 is Orthorhombic Perovskite-like structured and crystallizes in the orthorhombic Pnma space group. The structure is three-dimensional. Mg2+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Mg–O bond distances ranging from 2.17–2.71 Å. There are two inequivalent Ag3+ sites. In the first Ag3+ site, Ag3+ is bonded to six O2- atoms to form a mixture of corner and edge-sharing AgO6 octahedra. The corner-sharing octahedra tilt angles range from 48–71°. There are a spread of Ag–O bond distances ranging from 2.11–2.28 Å. In the second Ag3+ site, Ag3+ is bonded to six O2- atoms to form a mixture of distorted corner and edge-sharing AgO6 octahedra. The corner-sharing octahedra tilt angles range from 48–71°. There are a spread of Ag–O bond distances ranging from 2.02–2.46 Å. There are four inequivalent O2- sites. In the first O2- site, O2- is bonded in a 5-coordinate geometry to two equivalent Mg2+ and three equivalent Ag3+ atoms. In the second O2- site, O2- is bonded in a 5-coordinate geometry to two equivalent Mg2+ and three Ag3+ atoms. In the third O2- site, O2- is bonded to two equivalent Mg2+ and three equivalent Ag3+ atoms to form a mixture of distorted corner and edge-sharing OMg2Ag3 trigonal bipyramids. In the fourth O2- site, O2- is bonded to two equivalent Mg2+ and three Ag3+ atoms to form a mixture of distorted corner and edge-sharing OMg2Ag3 trigonal bipyramids.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Zn(AgO2)2 by Materials Project

Zn(AgO2)2 is Orthorhombic Perovskite-like structured and crystallizes in the orthorhombic Pmn2_1 space group. The structure is three-dimensional. there are four inequivalent Ag3+ sites. In the first Ag3+ site, Ag3+ is bonded to six O2- atoms to form a mixture of edge and corner-sharing AgO6 octahedra. The corner-sharing octahedra tilt angles range from 48–71°. There are a spread of Ag–O bond distances ranging from 2.09–2.22 Å. In the second Ag3+ site, Ag3+ is bonded to six O2- atoms to form a mixture of edge and corner-sharing AgO6 octahedra. The corner-sharing octahedra tilt angles range from 48–71°. There are a spread of Ag–O bond distances ranging from 2.09–2.22 Å. In the third Ag3+ site, Ag3+ is bonded to six O2- atoms to form a mixture of distorted edge and corner-sharing AgO6 octahedra. The corner-sharing octahedra tilt angles range from 48–71°. There are a spread of Ag–O bond distances ranging from 2.04–2.51 Å. In the fourth Ag3+ site, Ag3+ is bonded to six O2- atoms to form a mixture of distorted edge and corner-sharing AgO6 octahedra. The corner-sharing octahedra tilt angles range from 48–71°. There are a spread of Ag–O bond distances ranging from 2.03–2.51 Å. There are two inequivalent Zn2+ sites. In the first Zn2+ site, Zn2+ is bonded in a 7-coordinate geometry to seven O2- atoms. There are a spread of Zn–O bond distances ranging from 2.12–2.51 Å. In the second Zn2+ site, Zn2+ is bonded in a 7-coordinate geometry to seven O2- atoms. There are a spread of Zn–O bond distances ranging from 2.12–2.51 Å. There are eight inequivalent O2- sites. In the first O2- site, O2- is bonded in a 5-coordinate geometry to three Ag3+ and two equivalent Zn2+ atoms. In the second O2- site, O2- is bonded in a 5-coordinate geometry to three Ag3+ and two equivalent Zn2+ atoms. In the third O2- site, O2- is bonded to three Ag3+ and one Zn2+ atom to form distorted OZnAg3 trigonal pyramids that share corners with two equivalent OZn2Ag3 trigonal bipyramids, corners with two equivalent OZnAg3 trigonal pyramids, and edges with two equivalent OZn2Ag3 trigonal bipyramids. In the fourth O2- site, O2- is bonded to three Ag3+ and one Zn2+ atom to form distorted OZnAg3 trigonal pyramids that share corners with two equivalent OZn2Ag3 trigonal bipyramids, corners with two equivalent OZnAg3 trigonal pyramids, and edges with two equivalent OZn2Ag3 trigonal bipyramids. In the fifth O2- site, O2- is bonded in a 5-coordinate geometry to three Ag3+ and two equivalent Zn2+ atoms. In the sixth O2- site, O2- is bonded in a 5-coordinate geometry to three Ag3+ and two equivalent Zn2+ atoms. In the seventh O2- site, O2- is bonded to three Ag3+ and two equivalent Zn2+ atoms to form distorted OZn2Ag3 trigonal bipyramids that share corners with two equivalent OZnAg3 trigonal pyramids, edges with two equivalent OZn2Ag3 trigonal bipyramids, and edges with two equivalent OZnAg3 trigonal pyramids. In the eighth O2- site, O2- is bonded to three Ag3+ and two equivalent Zn2+ atoms to form distorted OZn2Ag3 trigonal bipyramids that share corners with two equivalent OZnAg3 trigonal pyramids, edges with two equivalent OZn2Ag3 trigonal bipyramids, and edges with two equivalent OZnAg3 trigonal pyramids.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Ca(AgO2)2 by Materials Project

Ca(AgO2)2 crystallizes in the monoclinic Pm space group. The structure is three-dimensional. there are four inequivalent Ca2+ sites. In the first Ca2+ site, Ca2+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Ca–O bond distances ranging from 2.43–2.67 Å. In the second Ca2+ site, Ca2+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Ca–O bond distances ranging from 2.43–2.66 Å. In the third Ca2+ site, Ca2+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Ca–O bond distances ranging from 2.43–2.66 Å. In the fourth Ca2+ site, Ca2+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Ca–O bond distances ranging from 2.42–2.66 Å. There are eight inequivalent Ag3+ sites. In the first Ag3+ site, Ag3+ is bonded to six O2- atoms to form a mixture of edge and corner-sharing AgO6 octahedra. The corner-sharing octahedra tilt angles range from 49–63°. There are a spread of Ag–O bond distances ranging from 2.08–2.32 Å. In the second Ag3+ site, Ag3+ is bonded to six O2- atoms to form a mixture of edge and corner-sharing AgO6 octahedra. The corner-sharing octahedra tilt angles range from 49–63°. There are a spread of Ag–O bond distances ranging from 2.07–2.32 Å. In the third Ag3+ site, Ag3+ is bonded to six O2- atoms to form a mixture of edge and corner-sharing AgO6 octahedra. The corner-sharing octahedra tilt angles range from 49–63°. There are a spread of Ag–O bond distances ranging from 2.08–2.32 Å. In the fourth Ag3+ site, Ag3+ is bonded to six O2- atoms to form a mixture of edge and corner-sharing AgO6 octahedra. The corner-sharing octahedra tilt angles range from 49–63°. There are a spread of Ag–O bond distances ranging from 2.07–2.32 Å. In the fifth Ag3+ site, Ag3+ is bonded to six O2- atoms to form a mixture of edge and corner-sharing AgO6 octahedra. The corner-sharing octahedra tilt angles range from 49–63°. There are a spread of Ag–O bond distances ranging from 2.04–2.37 Å. In the sixth Ag3+ site, Ag3+ is bonded to six O2- atoms to form a mixture of edge and corner-sharing AgO6 octahedra. The corner-sharing octahedra tilt angles range from 49–63°. There are a spread of Ag–O bond distances ranging from 2.04–2.37 Å. In the seventh Ag3+ site, Ag3+ is bonded to six O2- atoms to form a mixture of edge and corner-sharing AgO6 octahedra. The corner-sharing octahedra tilt angles range from 49–63°. There are a spread of Ag–O bond distances ranging from 2.04–2.37 Å. In the eighth Ag3+ site, Ag3+ is bonded to six O2- atoms to form a mixture of edge and corner-sharing AgO6 octahedra. The corner-sharing octahedra tilt angles range from 49–63°. There are a spread of Ag–O bond distances ranging from 2.04–2.38 Å. There are sixteen inequivalent O2- sites. In the first O2- site, O2- is bonded in a 5-coordinate geometry to two equivalent Ca2+ and three Ag3+ atoms. In the second O2- site, O2- is bonded in a 5-coordinate geometry to two equivalent Ca2+ and three Ag3+ atoms. In the third O2- site, O2- is bonded in a 5-coordinate geometry to two equivalent Ca2+ and three Ag3+ atoms. In the fourth O2- site, O2- is bonded in a 5-coordinate geometry to two equivalent Ca2+ and three Ag3+ atoms. In the fifth O2- site, O2- is bonded to two Ca2+ and three Ag3+ atoms to form a mixture of distorted edge and corner-sharing OCa2Ag3 trigonal bipyramids. In the sixth O2- site, O2- is bonded to two Ca2+ and three Ag3+ atoms to form a mixture of distorted edge and corner-sharing OCa2Ag3 trigonal bipyramids. In the seventh O2- site, O2- is bonded to two Ca2+ and three Ag3+ atoms to form a mixture of distorted edge and corner-sharing OCa2Ag3 trigonal bipyramids. In the eighth O2- site, O2- is bonded to two Ca2+ and three Ag3+ atoms to form a mixture of distorted edge and corner-sharing OCa2Ag3 trigonal bipyramids. In the ninth O2- site, O2- is bonded to two equivalent Ca2+ and three Ag3+ atoms to form a mixture of distorted edge and corner-sharing OCa2Ag3 square pyramids. In the tenth O2- site, O2- is bonded to two equivalent Ca2+ and three Ag3+ atoms to form a mixture of distorted edge and corner-sharing OCa2Ag3 square pyramids. In the eleventh O2- site, O2- is bonded to two equivalent Ca2+ and three Ag3+ atoms to form a mixture of distorted edge and corner-sharing OCa2Ag3 square pyramids. In the twelfth O2- site, O2- is bonded to two equivalent Ca2+ and three Ag3+ atoms to form a mixture of distorted edge and corner-sharing OCa2Ag3 square pyramids. In the thirteenth O2- site, O2- is bonded in a 5-coordinate geometry to two equivalent Ca2+ and three Ag3+ atoms. In the fourteenth O2- site, O2- is bonded in a 5-coordinate geometry to two equivalent Ca2+ and three Ag3+ atoms. In the fifteenth O2- site, O2- is bonded in a 5-coordinate geometry to two equivalent Ca2+ and three Ag3+ atoms. In the sixteenth O2- site, O2- is bonded in a 5-coordinate geometry to two equivalent Ca2+ and three Ag3+ atoms.

36 MATERIALS SCIENCE↗