BaLaMn2O6 crystallizes in the monoclinic Cc space group. Ba(1) is bonded to two equivalent O(1), two equivalent O(2), two equivalent O(3), two equivalent O(4), two equivalent O(5), and two equivalent O(6) atoms to form distorted BaO12 cuboctahedra that share corners with twelve equivalent Ba(1)O12 cuboctahedra, faces with four equivalent Mn(1)O6 octahedra, and faces with four equivalent Mn(2)O6 octahedra. La(1) is bonded in a 12-coordinate geometry to two equivalent O(1), two equivalent O(2), two equivalent O(3), two equivalent O(4), two equivalent O(5), and two equivalent O(6) atoms. There are two inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one O(1), one O(2), one O(3), one O(4), one O(5), and one O(6) atom to form MnO6 octahedra that share corners with six equivalent Mn(2)O6 octahedra and faces with four equivalent Ba(1)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 6-21°. In the second Mn site, Mn(2) is bonded to one O(1), one O(2), one O(3), one O(4), one O(5), and one O(6) atom to form MnO6 octahedra that share corners with six equivalent Mn(1)O6 octahedra and faces with four equivalent Ba(1)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 6-21°. There are six inequivalent O sites. In the first O site, O(1) is bonded in a 2-coordinate geometry to two equivalent Ba(1), two equivalent La(1), one Mn(1), and one Mn(2) atom. In the second O site, O(2) is bonded in a 6-coordinate geometry to two equivalent Ba(1), two equivalent La(1), one Mn(1), and one Mn(2) atom. In the third O site, O(3) is bonded in a 6-coordinate geometry to two equivalent Ba(1), two equivalent La(1), one Mn(1), and one Mn(2) atom. In the fourth O site, O(4) is bonded in a 5-coordinate geometry to two equivalent Ba(1), two equivalent La(1), one Mn(1), and one Mn(2) atom. In the fifth O site, O(5) is bonded in a 2-coordinate geometry to two equivalent Ba(1), two equivalent La(1), one Mn(1), and one Mn(2) atom. In the sixth O site, O(6) is bonded in a 2-coordinate geometry to two equivalent Ba(1), two equivalent La(1), one Mn(1), and one Mn(2) atom.
BaLaMn2O6 crystallizes in the monoclinic Cc space group. Ba(1) is bonded to two equivalent O(1), two equivalent O(2), two equivalent O(3), two equivalent O(4), two equivalent O(5), and two equivalent O(6) atoms to form distorted BaO12 cuboctahedra that share corners with twelve equivalent Ba(1)O12 cuboctahedra, faces with four equivalent Mn(1)O6 octahedra, and faces with four equivalent Mn(2)O6 octahedra. There is one shorter (2.81 Å) and one longer (2.88 Å) Ba(1)-O(1) bond length. There is one shorter (2.71 Å) and one longer (2.84 Å) Ba(1)-O(2) bond length. There is one shorter (2.71 Å) and one longer (2.90 Å) Ba(1)-O(3) bond length. There is one shorter (2.78 Å) and one longer (2.88 Å) Ba(1)-O(4) bond length. There is one shorter (2.82 Å) and one longer (2.94 Å) Ba(1)-O(5) bond length. There is one shorter (2.68 Å) and one longer (2.99 Å) Ba(1)-O(6) bond length. La(1) is bonded in a 12-coordinate geometry to two equivalent O(1), two equivalent O(2), two equivalent O(3), two equivalent O(4), two equivalent O(5), and two equivalent O(6) atoms. There is one shorter (2.50 Å) and one longer (3.12 Å) La(1)-O(1) bond length. Both La(1)-O(2) bond lengths are 2.82 Å. There is one shorter (2.66 Å) and one longer (2.81 Å) La(1)-O(3) bond length. There is one shorter (2.46 Å) and one longer (3.31 Å) La(1)-O(4) bond length. There is one shorter (2.50 Å) and one longer (3.18 Å) La(1)-O(5) bond length. There is one shorter (2.59 Å) and one longer (3.13 Å) La(1)-O(6) bond length. There are two inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one O(1), one O(2), one O(3), one O(4), one O(5), and one O(6) atom to form MnO6 octahedra that share corners with six equivalent Mn(2)O6 octahedra and faces with four equivalent Ba(1)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 6-21°. The Mn(1)-O(1) bond length is 2.03 Å. The Mn(1)-O(2) bond length is 1.90 Å. The Mn(1)-O(3) bond length is 2.08 Å. The Mn(1)-O(4) bond length is 1.89 Å. The Mn(1)-O(5) bond length is 1.97 Å. The Mn(1)-O(6) bond length is 1.95 Å. In the second Mn site, Mn(2) is bonded to one O(1), one O(2), one O(3), one O(4), one O(5), and one O(6) atom to form MnO6 octahedra that share corners with six equivalent Mn(1)O6 octahedra and faces with four equivalent Ba(1)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 6-21°. The Mn(2)-O(1) bond length is 1.97 Å. The Mn(2)-O(2) bond length is 2.20 Å. The Mn(2)-O(3) bond length is 1.95 Å. The Mn(2)-O(4) bond length is 2.20 Å. The Mn(2)-O(5) bond length is 1.98 Å. The Mn(2)-O(6) bond length is 1.99 Å. There are six inequivalent O sites. In the first O site, O(1) is bonded in a 2-coordinate geometry to two equivalent Ba(1), two equivalent La(1), one Mn(1), and one Mn(2) atom. In the second O site, O(2) is bonded in a 6-coordinate geometry to two equivalent Ba(1), two equivalent La(1), one Mn(1), and one Mn(2) atom. In the third O site, O(3) is bonded in a 6-coordinate geometry to two equivalent Ba(1), two equivalent La(1), one Mn(1), and one Mn(2) atom. In the fourth O site, O(4) is bonded in a 5-coordinate geometry to two equivalent Ba(1), two equivalent La(1), one Mn(1), and one Mn(2) atom. In the fifth O site, O(5) is bonded in a 2-coordinate geometry to two equivalent Ba(1), two equivalent La(1), one Mn(1), and one Mn(2) atom. In the sixth O site, O(6) is bonded in a 2-coordinate geometry to two equivalent Ba(1), two equivalent La(1), one Mn(1), and one Mn(2) atom.