BaYZn3GaO7 crystallizes in the hexagonal P6_3mc space group. Ba(1) is bonded to six equivalent O(1) and six equivalent O(3) atoms to form distorted BaO12 cuboctahedra that share corners with twelve equivalent Ba(1)O12 cuboctahedra, edges with three equivalent Ga(1)O4 tetrahedra, edges with nine equivalent Zn(1)O4 tetrahedra, and faces with four equivalent Y(1)O6 octahedra. Y(1) is bonded to three equivalent O(1) and three equivalent O(3) atoms to form YO6 octahedra that share corners with three equivalent Ga(1)O4 tetrahedra, corners with nine equivalent Zn(1)O4 tetrahedra, and faces with four equivalent Ba(1)O12 cuboctahedra. Zn(1) is bonded to one O(2), one O(3), and two equivalent O(1) atoms to form ZnO4 tetrahedra that share corners with three equivalent Y(1)O6 octahedra, corners with two equivalent Ga(1)O4 tetrahedra, corners with four equivalent Zn(1)O4 tetrahedra, and edges with three equivalent Ba(1)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 54-60°. Ga(1) is bonded to one O(2) and three equivalent O(3) atoms to form GaO4 tetrahedra that share corners with three equivalent Y(1)O6 octahedra, corners with six equivalent Zn(1)O4 tetrahedra, and edges with three equivalent Ba(1)O12 cuboctahedra. The corner-sharing octahedral tilt angles are 52°. There are three inequivalent O sites. In the first O site, O(1) is bonded in a 3-coordinate geometry to two equivalent Ba(1), one Y(1), and two equivalent Zn(1) atoms. In the second O site, O(2) is bonded in a tetrahedral geometry to three equivalent Zn(1) and one Ga(1) atom. In the third O site, O(3) is bonded in a distorted trigonal planar geometry to two equivalent Ba(1), one Y(1), one Zn(1), and one Ga(1) atom.
BaYZn3GaO7 crystallizes in the hexagonal P6_3mc space group. Ba(1) is bonded to six equivalent O(1) and six equivalent O(3) atoms to form distorted BaO12 cuboctahedra that share corners with twelve equivalent Ba(1)O12 cuboctahedra, edges with three equivalent Ga(1)O4 tetrahedra, edges with nine equivalent Zn(1)O4 tetrahedra, and faces with four equivalent Y(1)O6 octahedra. There are three shorter (2.97 Å) and three longer (3.42 Å) Ba(1)-O(1) bond lengths. All Ba(1)-O(3) bond lengths are 3.22 Å. Y(1) is bonded to three equivalent O(1) and three equivalent O(3) atoms to form YO6 octahedra that share corners with three equivalent Ga(1)O4 tetrahedra, corners with nine equivalent Zn(1)O4 tetrahedra, and faces with four equivalent Ba(1)O12 cuboctahedra. All Y(1)-O(1) bond lengths are 2.24 Å. All Y(1)-O(3) bond lengths are 2.33 Å. Zn(1) is bonded to one O(2), one O(3), and two equivalent O(1) atoms to form ZnO4 tetrahedra that share corners with three equivalent Y(1)O6 octahedra, corners with two equivalent Ga(1)O4 tetrahedra, corners with four equivalent Zn(1)O4 tetrahedra, and edges with three equivalent Ba(1)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 54-60°. The Zn(1)-O(2) bond length is 2.03 Å. The Zn(1)-O(3) bond length is 2.01 Å. Both Zn(1)-O(1) bond lengths are 1.95 Å. Ga(1) is bonded to one O(2) and three equivalent O(3) atoms to form GaO4 tetrahedra that share corners with three equivalent Y(1)O6 octahedra, corners with six equivalent Zn(1)O4 tetrahedra, and edges with three equivalent Ba(1)O12 cuboctahedra. The corner-sharing octahedral tilt angles are 52°. The Ga(1)-O(2) bond length is 1.89 Å. All Ga(1)-O(3) bond lengths are 1.87 Å. There are three inequivalent O sites. In the first O site, O(1) is bonded in a 3-coordinate geometry to two equivalent Ba(1), one Y(1), and two equivalent Zn(1) atoms. In the second O site, O(2) is bonded in a tetrahedral geometry to three equivalent Zn(1) and one Ga(1) atom. In the third O site, O(3) is bonded in a distorted trigonal planar geometry to two equivalent Ba(1), one Y(1), one Zn(1), and one Ga(1) atom.