BaSr7Ti7MnO24 is (Cubic) Perovskite-derived structured and crystallizes in the trigonal R3m space group. Ba(1) is bonded to three equivalent O(1), three equivalent O(3), and six equivalent O(2) atoms to form BaO12 cuboctahedra that share corners with twelve equivalent Sr(2)O12 cuboctahedra, faces with six equivalent Sr(1)O12 cuboctahedra,  a faceface with one Ti(3)O6 octahedra,  a faceface with one Mn(1)O6 octahedra, faces with three equivalent Ti(1)O6 octahedra, and faces with three equivalent Ti(2)O6 octahedra. There are three inequivalent Sr sites. In the first Sr site, Sr(1) is bonded to one O(4), one O(6), two equivalent O(1), two equivalent O(3), two equivalent O(5), and four equivalent O(2) atoms to form SrO12 cuboctahedra that share corners with four equivalent Sr(3)O12 cuboctahedra, corners with eight equivalent Sr(1)O12 cuboctahedra, faces with two equivalent Ba(1)O12 cuboctahedra, faces with four equivalent Sr(2)O12 cuboctahedra,  a faceface with one Ti(3)O6 octahedra,  a faceface with one Mn(1)O6 octahedra, faces with three equivalent Ti(1)O6 octahedra, and faces with three equivalent Ti(2)O6 octahedra. In the second Sr site, Sr(2) is bonded to one O(1), one O(3), two equivalent O(2), two equivalent O(4), two equivalent O(6), and four equivalent O(5) atoms to form SrO12 cuboctahedra that share corners with four equivalent Ba(1)O12 cuboctahedra, corners with eight equivalent Sr(2)O12 cuboctahedra, faces with two equivalent Sr(3)O12 cuboctahedra, faces with four equivalent Sr(1)O12 cuboctahedra,  a faceface with one Ti(3)O6 octahedra,  a faceface with one Mn(1)O6 octahedra, faces with three equivalent Ti(1)O6 octahedra, and faces with three equivalent Ti(2)O6 octahedra. In the third Sr site, Sr(3) is bonded to three equivalent O(4), three equivalent O(6), and six equivalent O(5) atoms to form SrO12 cuboctahedra that share corners with twelve equivalent Sr(1)O12 cuboctahedra, faces with six equivalent Sr(2)O12 cuboctahedra,  a faceface with one Ti(3)O6 octahedra,  a faceface with one Mn(1)O6 octahedra, faces with three equivalent Ti(1)O6 octahedra, and faces with three equivalent Ti(2)O6 octahedra. There are three inequivalent Ti sites. In the first Ti site, Ti(1) is bonded to one O(1), one O(4), two equivalent O(2), and two equivalent O(5) atoms to form TiO6 octahedra that share corners with two equivalent Mn(1)O6 octahedra, corners with four equivalent Ti(2)O6 octahedra,  a faceface with one Ba(1)O12 cuboctahedra,  a faceface with one Sr(3)O12 cuboctahedra, faces with three equivalent Sr(1)O12 cuboctahedra, and faces with three equivalent Sr(2)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-2°. In the second Ti site, Ti(2) is bonded to one O(3), one O(6), two equivalent O(2), and two equivalent O(5) atoms to form TiO6 octahedra that share corners with two equivalent Ti(3)O6 octahedra, corners with four equivalent Ti(1)O6 octahedra,  a faceface with one Ba(1)O12 cuboctahedra,  a faceface with one Sr(3)O12 cuboctahedra, faces with three equivalent Sr(1)O12 cuboctahedra, and faces with three equivalent Sr(2)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-2°. In the third Ti site, Ti(3) is bonded to three equivalent O(3) and three equivalent O(6) atoms to form TiO6 octahedra that share corners with six equivalent Ti(2)O6 octahedra,  a faceface with one Ba(1)O12 cuboctahedra,  a faceface with one Sr(3)O12 cuboctahedra, faces with three equivalent Sr(1)O12 cuboctahedra, and faces with three equivalent Sr(2)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-2°. Mn(1) is bonded to three equivalent O(1) and three equivalent O(4) atoms to form MnO6 octahedra that share corners with six equivalent Ti(1)O6 octahedra,  a faceface with one Ba(1)O12 cuboctahedra,  a faceface with one Sr(3)O12 cuboctahedra, faces with three equivalent Sr(1)O12 cuboctahedra, and faces with three equivalent Sr(2)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-2°. There are six inequivalent O sites. In the first O site, O(1) is bonded to one Ba(1), one Sr(2), two equivalent Sr(1), one Ti(1), and one Mn(1) atom to form distorted face-sharing OBaSr3TiMn octahedra. In the second O site, O(2) is bonded in a distorted linear geometry to one Ba(1), one Sr(2), two equivalent Sr(1), one Ti(1), and one Ti(2) atom. In the third O site, O(3) is bonded in a distorted linear geometry to one Ba(1), one Sr(2), two equivalent Sr(1), one Ti(2), and one Ti(3) atom. In the fourth O site, O(4) is bonded in a distorted linear geometry to one Sr(1), one Sr(3), two equivalent Sr(2), one Ti(1), and one Mn(1) atom. In the fifth O site, O(5) is bonded in a distorted linear geometry to one Sr(1), one Sr(3), two equivalent Sr(2), one Ti(1), and one Ti(2) atom. In the sixth O site, O(6) is bonded in a distorted linear geometry to one Sr(1), one Sr(3), two equivalent Sr(2), one Ti(2), and one Ti(3) atom.
BaSr7Ti7MnO24 is (Cubic) Perovskite-derived structured and crystallizes in the trigonal R3m space group. Ba(1) is bonded to three equivalent O(1), three equivalent O(3), and six equivalent O(2) atoms to form BaO12 cuboctahedra that share corners with twelve equivalent Sr(2)O12 cuboctahedra, faces with six equivalent Sr(1)O12 cuboctahedra,  a faceface with one Ti(3)O6 octahedra,  a faceface with one Mn(1)O6 octahedra, faces with three equivalent Ti(1)O6 octahedra, and faces with three equivalent Ti(2)O6 octahedra. All Ba(1)-O(1) bond lengths are 2.82 Å. All Ba(1)-O(3) bond lengths are 2.85 Å. All Ba(1)-O(2) bond lengths are 2.83 Å. There are three inequivalent Sr sites. In the first Sr site, Sr(1) is bonded to one O(4), one O(6), two equivalent O(1), two equivalent O(3), two equivalent O(5), and four equivalent O(2) atoms to form SrO12 cuboctahedra that share corners with four equivalent Sr(3)O12 cuboctahedra, corners with eight equivalent Sr(1)O12 cuboctahedra, faces with two equivalent Ba(1)O12 cuboctahedra, faces with four equivalent Sr(2)O12 cuboctahedra,  a faceface with one Ti(3)O6 octahedra,  a faceface with one Mn(1)O6 octahedra, faces with three equivalent Ti(1)O6 octahedra, and faces with three equivalent Ti(2)O6 octahedra. The Sr(1)-O(4) bond length is 2.78 Å. The Sr(1)-O(6) bond length is 2.82 Å. Both Sr(1)-O(1) bond lengths are 2.78 Å. Both Sr(1)-O(3) bond lengths are 2.81 Å. Both Sr(1)-O(5) bond lengths are 2.80 Å. All Sr(1)-O(2) bond lengths are 2.79 Å. In the second Sr site, Sr(2) is bonded to one O(1), one O(3), two equivalent O(2), two equivalent O(4), two equivalent O(6), and four equivalent O(5) atoms to form SrO12 cuboctahedra that share corners with four equivalent Ba(1)O12 cuboctahedra, corners with eight equivalent Sr(2)O12 cuboctahedra, faces with two equivalent Sr(3)O12 cuboctahedra, faces with four equivalent Sr(1)O12 cuboctahedra,  a faceface with one Ti(3)O6 octahedra,  a faceface with one Mn(1)O6 octahedra, faces with three equivalent Ti(1)O6 octahedra, and faces with three equivalent Ti(2)O6 octahedra. The Sr(2)-O(1) bond length is 2.73 Å. The Sr(2)-O(3) bond length is 2.76 Å. Both Sr(2)-O(2) bond lengths are 2.75 Å. Both Sr(2)-O(4) bond lengths are 2.77 Å. Both Sr(2)-O(6) bond lengths are 2.81 Å. All Sr(2)-O(5) bond lengths are 2.79 Å. In the third Sr site, Sr(3) is bonded to three equivalent O(4), three equivalent O(6), and six equivalent O(5) atoms to form SrO12 cuboctahedra that share corners with twelve equivalent Sr(1)O12 cuboctahedra, faces with six equivalent Sr(2)O12 cuboctahedra,  a faceface with one Ti(3)O6 octahedra,  a faceface with one Mn(1)O6 octahedra, faces with three equivalent Ti(1)O6 octahedra, and faces with three equivalent Ti(2)O6 octahedra. All Sr(3)-O(4) bond lengths are 2.77 Å. All Sr(3)-O(6) bond lengths are 2.80 Å. All Sr(3)-O(5) bond lengths are 2.78 Å. There are three inequivalent Ti sites. In the first Ti site, Ti(1) is bonded to one O(1), one O(4), two equivalent O(2), and two equivalent O(5) atoms to form TiO6 octahedra that share corners with two equivalent Mn(1)O6 octahedra, corners with four equivalent Ti(2)O6 octahedra,  a faceface with one Ba(1)O12 cuboctahedra,  a faceface with one Sr(3)O12 cuboctahedra, faces with three equivalent Sr(1)O12 cuboctahedra, and faces with three equivalent Sr(2)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-2°. The Ti(1)-O(1) bond length is 2.01 Å. The Ti(1)-O(4) bond length is 1.98 Å. Both Ti(1)-O(2) bond lengths are 1.98 Å. Both Ti(1)-O(5) bond lengths are 1.96 Å. In the second Ti site, Ti(2) is bonded to one O(3), one O(6), two equivalent O(2), and two equivalent O(5) atoms to form TiO6 octahedra that share corners with two equivalent Ti(3)O6 octahedra, corners with four equivalent Ti(1)O6 octahedra,  a faceface with one Ba(1)O12 cuboctahedra,  a faceface with one Sr(3)O12 cuboctahedra, faces with three equivalent Sr(1)O12 cuboctahedra, and faces with three equivalent Sr(2)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-2°. The Ti(2)-O(3) bond length is 1.98 Å. The Ti(2)-O(6) bond length is 1.96 Å. Both Ti(2)-O(2) bond lengths are 1.99 Å. Both Ti(2)-O(5) bond lengths are 1.97 Å. In the third Ti site, Ti(3) is bonded to three equivalent O(3) and three equivalent O(6) atoms to form TiO6 octahedra that share corners with six equivalent Ti(2)O6 octahedra,  a faceface with one Ba(1)O12 cuboctahedra,  a faceface with one Sr(3)O12 cuboctahedra, faces with three equivalent Sr(1)O12 cuboctahedra, and faces with three equivalent Sr(2)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-2°. All Ti(3)-O(3) bond lengths are 1.99 Å. All Ti(3)-O(6) bond lengths are 1.97 Å. Mn(1) is bonded to three equivalent O(1) and three equivalent O(4) atoms to form MnO6 octahedra that share corners with six equivalent Ti(1)O6 octahedra,  a faceface with one Ba(1)O12 cuboctahedra,  a faceface with one Sr(3)O12 cuboctahedra, faces with three equivalent Sr(1)O12 cuboctahedra, and faces with three equivalent Sr(2)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-2°. All Mn(1)-O(1) bond lengths are 1.96 Å. All Mn(1)-O(4) bond lengths are 1.94 Å. There are six inequivalent O sites. In the first O site, O(1) is bonded to one Ba(1), one Sr(2), two equivalent Sr(1), one Ti(1), and one Mn(1) atom to form distorted face-sharing OBaSr3TiMn octahedra. In the second O site, O(2) is bonded in a distorted linear geometry to one Ba(1), one Sr(2), two equivalent Sr(1), one Ti(1), and one Ti(2) atom. In the third O site, O(3) is bonded in a distorted linear geometry to one Ba(1), one Sr(2), two equivalent Sr(1), one Ti(2), and one Ti(3) atom. In the fourth O site, O(4) is bonded in a distorted linear geometry to one Sr(1), one Sr(3), two equivalent Sr(2), one Ti(1), and one Mn(1) atom. In the fifth O site, O(5) is bonded in a distorted linear geometry to one Sr(1), one Sr(3), two equivalent Sr(2), one Ti(1), and one Ti(2) atom. In the sixth O site, O(6) is bonded in a distorted linear geometry to one Sr(1), one Sr(3), two equivalent Sr(2), one Ti(2), and one Ti(3) atom.