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Materials Data on YAgO2 by Materials Project

YAgO2 crystallizes in the hexagonal P6_3/mmc space group. The structure is three-dimensional. Y3+ is bonded to six equivalent O2- atoms to form edge-sharing YO6 octahedra. All Y–O bond lengths are 2.30 Å. Ag1+ is bonded in a linear geometry to two equivalent O2- atoms. Both Ag–O bond lengths are 2.09 Å. O2- is bonded to three equivalent Y3+ and one Ag1+ atom to form a mixture of edge and corner-sharing OY3Ag tetrahedra.

36 MATERIALS SCIENCE↗

Materials Data on YAgO3 by Materials Project

YAgO3 is Orthorhombic Perovskite structured and crystallizes in the orthorhombic Pnma space group. The structure is three-dimensional. Y3+ is bonded in a 6-coordinate geometry to eight O2- atoms. There are a spread of Y–O bond distances ranging from 2.29–2.90 Å. Ag3+ is bonded to six O2- atoms to form corner-sharing AgO6 octahedra. The corner-sharing octahedra tilt angles range from 41–49°. There are a spread of Ag–O bond distances ranging from 2.07–2.28 Å. There are two inequivalent O2- sites. In the first O2- site, O2- is bonded in a 4-coordinate geometry to three equivalent Y3+ and two equivalent Ag3+ atoms. In the second O2- site, O2- is bonded to two equivalent Y3+ and two equivalent Ag3+ atoms to form distorted corner-sharing OY2Ag2 trigonal pyramids.

36 MATERIALS SCIENCE↗

Materials Data on YAgO3 by Materials Project

YAgO3 is (Cubic) Perovskite structured and crystallizes in the cubic Pm-3m space group. The structure is three-dimensional. Y3+ is bonded to twelve equivalent O2- atoms to form YO12 cuboctahedra that share corners with twelve equivalent YO12 cuboctahedra, faces with six equivalent YO12 cuboctahedra, and faces with eight equivalent AgO6 octahedra. All Y–O bond lengths are 2.87 Å. Ag3+ is bonded to six equivalent O2- atoms to form AgO6 octahedra that share corners with six equivalent AgO6 octahedra and faces with eight equivalent YO12 cuboctahedra. The corner-sharing octahedral tilt angles are 0°. All Ag–O bond lengths are 2.03 Å. O2- is bonded in a distorted linear geometry to four equivalent Y3+ and two equivalent Ag3+ atoms.

36 MATERIALS SCIENCE↗

Materials Data on YAgO3 by Materials Project

YAgO3 crystallizes in the hexagonal P6_3cm space group. The structure is three-dimensional. there are two inequivalent Y3+ sites. In the first Y3+ site, Y3+ is bonded in a 7-coordinate geometry to seven O2- atoms. There are a spread of Y–O bond distances ranging from 2.35–2.39 Å. In the second Y3+ site, Y3+ is bonded in a 7-coordinate geometry to seven O2- atoms. There are a spread of Y–O bond distances ranging from 2.32–2.41 Å. Ag3+ is bonded to five O2- atoms to form corner-sharing AgO5 trigonal bipyramids. There are a spread of Ag–O bond distances ranging from 2.02–2.19 Å. There are four inequivalent O2- sites. In the first O2- site, O2- is bonded to one Y3+ and three equivalent Ag3+ atoms to form OYAg3 trigonal pyramids that share corners with six equivalent OY3Ag tetrahedra, corners with six OYAg3 trigonal pyramids, and edges with three equivalent OY3Ag tetrahedra. In the second O2- site, O2- is bonded to one Y3+ and three equivalent Ag3+ atoms to form OYAg3 trigonal pyramids that share corners with six equivalent OY3Ag tetrahedra, corners with six equivalent OYAg3 trigonal pyramids, and edges with three equivalent OY3Ag tetrahedra. In the third O2- site, O2- is bonded to three Y3+ and one Ag3+ atom to form distorted OY3Ag tetrahedra that share corners with ten OY3Ag tetrahedra, corners with four equivalent OYAg3 trigonal pyramids, edges with three equivalent OY3Ag tetrahedra, and an edgeedge with one OYAg3 trigonal pyramid. In the fourth O2- site, O2- is bonded to three Y3+ and one Ag3+ atom to form OY3Ag tetrahedra that share corners with ten OY3Ag tetrahedra, corners with two equivalent OYAg3 trigonal pyramids, edges with three equivalent OY3Ag tetrahedra, and edges with two equivalent OYAg3 trigonal pyramids.

36 MATERIALS SCIENCE↗

Materials Data on Y3AgO5 by Materials Project

Y3AgO5 is Aluminum carbonitride-like structured and crystallizes in the trigonal R3m space group. The structure is three-dimensional. there are three inequivalent Y3+ sites. In the first Y3+ site, Y3+ is bonded in a 5-coordinate geometry to five O2- atoms. There are a spread of Y–O bond distances ranging from 2.25–2.44 Å. In the second Y3+ site, Y3+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of Y–O bond distances ranging from 2.21–2.53 Å. In the third Y3+ site, Y3+ is bonded in a 5-coordinate geometry to five O2- atoms. There are a spread of Y–O bond distances ranging from 2.18–2.55 Å. There are three inequivalent Ag1+ sites. In the first Ag1+ site, Ag1+ is bonded in a tetrahedral geometry to four O2- atoms. There are one shorter (2.29 Å) and three longer (2.33 Å) Ag–O bond lengths. In the second Ag1+ site, Ag1+ is bonded in a tetrahedral geometry to four O2- atoms. There are one shorter (2.14 Å) and three longer (2.22 Å) Ag–O bond lengths. In the third Ag1+ site, Ag1+ is bonded in a rectangular see-saw-like geometry to four O2- atoms. There are one shorter (2.27 Å) and three longer (2.31 Å) Ag–O bond lengths. There are nine inequivalent O2- sites. In the first O2- site, O2- is bonded to three equivalent Y3+ and one Ag1+ atom to form OY3Ag trigonal pyramids that share corners with three equivalent OY6 octahedra and corners with twelve OY3Ag tetrahedra. The corner-sharing octahedral tilt angles are 48°. In the second O2- site, O2- is bonded to three equivalent Y3+ and one Ag1+ atom to form distorted OY3Ag tetrahedra that share corners with twelve OY3Ag tetrahedra and a faceface with one OY6 octahedra. In the third O2- site, O2- is bonded to three equivalent Y3+ and one Ag1+ atom to form corner-sharing OY3Ag trigonal pyramids. In the fourth O2- site, O2- is bonded to six Y3+ atoms to form a mixture of distorted face and corner-sharing OY6 octahedra. In the fifth O2- site, O2- is bonded in a 3-coordinate geometry to three equivalent Y3+ atoms. In the sixth O2- site, O2- is bonded in a distorted trigonal non-coplanar geometry to three equivalent Y3+ atoms. In the seventh O2- site, O2- is bonded to three Y3+ and one Ag1+ atom to form distorted OY3Ag tetrahedra that share corners with two equivalent OY6 octahedra, corners with ten OY3Ag tetrahedra, and corners with two OY3Ag trigonal pyramids. The corner-sharing octahedral tilt angles are 55°. In the eighth O2- site, O2- is bonded to three Y3+ and one Ag1+ atom to form OY3Ag tetrahedra that share a cornercorner with one OY6 octahedra, corners with nine OY3Ag tetrahedra, and corners with three OY3Ag trigonal pyramids. The corner-sharing octahedral tilt angles are 43°. In the ninth O2- site, O2- is bonded to three Y3+ and one Ag1+ atom to form distorted OY3Ag tetrahedra that share corners with nine OY3Ag tetrahedra, corners with three OY3Ag trigonal pyramids, and a faceface with one OY6 octahedra.

36 MATERIALS SCIENCE↗

Materials Data on YAgO3 by Materials Project

AgYO3 is (Cubic) Perovskite structured and crystallizes in the cubic Pm-3m space group. The structure is three-dimensional and consists of one silver molecule and one YO3 framework. In the YO3 framework, Y3+ is bonded to six equivalent O2- atoms to form corner-sharing YO6 octahedra. The corner-sharing octahedral tilt angles are 0°. All Y–O bond lengths are 2.21 Å. O2- is bonded in a linear geometry to two equivalent Y3+ atoms.

36 MATERIALS SCIENCE↗