LaMnO3 is (Cubic) Perovskite structured and crystallizes in the orthorhombic Amm2 space group. There are two inequivalent La sites. In the first La site, La(1) is bonded to one O(1), one O(2), one O(3), one O(4), two equivalent O(10), two equivalent O(5), two equivalent O(7), and two equivalent O(9) atoms to form LaO12 cuboctahedra that share corners with four equivalent La(1)O12 cuboctahedra, corners with eight equivalent La(2)O12 cuboctahedra, faces with two equivalent La(2)O12 cuboctahedra, faces with four equivalent La(1)O12 cuboctahedra, faces with two equivalent Mn(1)O6 octahedra, faces with two equivalent Mn(2)O6 octahedra, faces with two equivalent Mn(3)O6 octahedra, and faces with two equivalent Mn(4)O6 octahedra. In the second La site, La(2) is bonded to one O(1), one O(2), one O(3), one O(4), two equivalent O(10), two equivalent O(6), two equivalent O(8), and two equivalent O(9) atoms to form LaO12 cuboctahedra that share corners with four equivalent La(2)O12 cuboctahedra, corners with eight equivalent La(1)O12 cuboctahedra, faces with two equivalent La(1)O12 cuboctahedra, faces with four equivalent La(2)O12 cuboctahedra, faces with two equivalent Mn(1)O6 octahedra, faces with two equivalent Mn(2)O6 octahedra, faces with two equivalent Mn(3)O6 octahedra, and faces with two equivalent Mn(4)O6 octahedra. There are four inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one O(6), one O(7), two equivalent O(10), and two equivalent O(2) atoms to form MnO6 octahedra that share  a cornercorner with one Mn(2)O6 octahedra,  a cornercorner with one Mn(3)O6 octahedra, corners with two equivalent Mn(1)O6 octahedra, corners with two equivalent Mn(4)O6 octahedra, faces with four equivalent La(1)O12 cuboctahedra, and faces with four equivalent La(2)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-1°. In the second Mn site, Mn(2) is bonded to one O(7), one O(8), two equivalent O(3), and two equivalent O(9) atoms to form MnO6 octahedra that share  a cornercorner with one Mn(1)O6 octahedra,  a cornercorner with one Mn(4)O6 octahedra, corners with two equivalent Mn(2)O6 octahedra, corners with two equivalent Mn(3)O6 octahedra, faces with four equivalent La(1)O12 cuboctahedra, and faces with four equivalent La(2)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-2°. In the third Mn site, Mn(3) is bonded to one O(5), one O(6), two equivalent O(1), and two equivalent O(9) atoms to form MnO6 octahedra that share  a cornercorner with one Mn(1)O6 octahedra,  a cornercorner with one Mn(4)O6 octahedra, corners with two equivalent Mn(2)O6 octahedra, corners with two equivalent Mn(3)O6 octahedra, faces with four equivalent La(1)O12 cuboctahedra, and faces with four equivalent La(2)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-1°. In the fourth Mn site, Mn(4) is bonded to one O(5), one O(8), two equivalent O(10), and two equivalent O(4) atoms to form MnO6 octahedra that share  a cornercorner with one Mn(2)O6 octahedra,  a cornercorner with one Mn(3)O6 octahedra, corners with two equivalent Mn(1)O6 octahedra, corners with two equivalent Mn(4)O6 octahedra, faces with four equivalent La(1)O12 cuboctahedra, and faces with four equivalent La(2)O12 cuboctahedra. The corner-sharing octahedra are not tilted. There are ten inequivalent O sites. In the first O site, O(1) is bonded in a distorted linear geometry to two equivalent La(1), two equivalent La(2), and two equivalent Mn(3) atoms. In the second O site, O(2) is bonded in a distorted linear geometry to two equivalent La(1), two equivalent La(2), and two equivalent Mn(1) atoms. In the third O site, O(3) is bonded in a distorted linear geometry to two equivalent La(1), two equivalent La(2), and two equivalent Mn(2) atoms. In the fourth O site, O(4) is bonded in a distorted linear geometry to two equivalent La(1), two equivalent La(2), and two equivalent Mn(4) atoms. In the fifth O site, O(5) is bonded in a distorted linear geometry to four equivalent La(1), one Mn(3), and one Mn(4) atom. In the sixth O site, O(6) is bonded in a distorted linear geometry to four equivalent La(2), one Mn(1), and one Mn(3) atom. In the seventh O site, O(7) is bonded in a distorted linear geometry to four equivalent La(1), one Mn(1), and one Mn(2) atom. In the eighth O site, O(8) is bonded in a distorted linear geometry to four equivalent La(2), one Mn(2), and one Mn(4) atom. In the ninth O site, O(9) is bonded in a distorted linear geometry to two equivalent La(1), two equivalent La(2), one Mn(2), and one Mn(3) atom. In the tenth O site, O(10) is bonded in a distorted linear geometry to two equivalent La(1), two equivalent La(2), one Mn(1), and one Mn(4) atom.
LaMnO3 is (Cubic) Perovskite structured and crystallizes in the orthorhombic Amm2 space group. There are two inequivalent La sites. In the first La site, La(1) is bonded to one O(1), one O(2), one O(3), one O(4), two equivalent O(10), two equivalent O(5), two equivalent O(7), and two equivalent O(9) atoms to form LaO12 cuboctahedra that share corners with four equivalent La(1)O12 cuboctahedra, corners with eight equivalent La(2)O12 cuboctahedra, faces with two equivalent La(2)O12 cuboctahedra, faces with four equivalent La(1)O12 cuboctahedra, faces with two equivalent Mn(1)O6 octahedra, faces with two equivalent Mn(2)O6 octahedra, faces with two equivalent Mn(3)O6 octahedra, and faces with two equivalent Mn(4)O6 octahedra. The La(1)-O(1) bond length is 2.81 Å. The La(1)-O(2) bond length is 2.76 Å. The La(1)-O(3) bond length is 2.75 Å. The La(1)-O(4) bond length is 2.80 Å. Both La(1)-O(10) bond lengths are 2.78 Å. Both La(1)-O(5) bond lengths are 2.81 Å. Both La(1)-O(7) bond lengths are 2.77 Å. Both La(1)-O(9) bond lengths are 2.78 Å. In the second La site, La(2) is bonded to one O(1), one O(2), one O(3), one O(4), two equivalent O(10), two equivalent O(6), two equivalent O(8), and two equivalent O(9) atoms to form LaO12 cuboctahedra that share corners with four equivalent La(2)O12 cuboctahedra, corners with eight equivalent La(1)O12 cuboctahedra, faces with two equivalent La(1)O12 cuboctahedra, faces with four equivalent La(2)O12 cuboctahedra, faces with two equivalent Mn(1)O6 octahedra, faces with two equivalent Mn(2)O6 octahedra, faces with two equivalent Mn(3)O6 octahedra, and faces with two equivalent Mn(4)O6 octahedra. The La(2)-O(1) bond length is 2.80 Å. The La(2)-O(2) bond length is 2.79 Å. The La(2)-O(3) bond length is 2.83 Å. The La(2)-O(4) bond length is 2.79 Å. Both La(2)-O(10) bond lengths are 2.78 Å. Both La(2)-O(6) bond lengths are 2.79 Å. Both La(2)-O(8) bond lengths are 2.79 Å. Both La(2)-O(9) bond lengths are 2.81 Å. There are four inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one O(6), one O(7), two equivalent O(10), and two equivalent O(2) atoms to form MnO6 octahedra that share  a cornercorner with one Mn(2)O6 octahedra,  a cornercorner with one Mn(3)O6 octahedra, corners with two equivalent Mn(1)O6 octahedra, corners with two equivalent Mn(4)O6 octahedra, faces with four equivalent La(1)O12 cuboctahedra, and faces with four equivalent La(2)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-1°. The Mn(1)-O(6) bond length is 1.94 Å. The Mn(1)-O(7) bond length is 1.93 Å. Both Mn(1)-O(10) bond lengths are 1.89 Å. Both Mn(1)-O(2) bond lengths are 1.97 Å. In the second Mn site, Mn(2) is bonded to one O(7), one O(8), two equivalent O(3), and two equivalent O(9) atoms to form MnO6 octahedra that share  a cornercorner with one Mn(1)O6 octahedra,  a cornercorner with one Mn(4)O6 octahedra, corners with two equivalent Mn(2)O6 octahedra, corners with two equivalent Mn(3)O6 octahedra, faces with four equivalent La(1)O12 cuboctahedra, and faces with four equivalent La(2)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-2°. The Mn(2)-O(7) bond length is 2.02 Å. The Mn(2)-O(8) bond length is 2.03 Å. Both Mn(2)-O(3) bond lengths are 1.97 Å. Both Mn(2)-O(9) bond lengths are 1.89 Å. In the third Mn site, Mn(3) is bonded to one O(5), one O(6), two equivalent O(1), and two equivalent O(9) atoms to form MnO6 octahedra that share  a cornercorner with one Mn(1)O6 octahedra,  a cornercorner with one Mn(4)O6 octahedra, corners with two equivalent Mn(2)O6 octahedra, corners with two equivalent Mn(3)O6 octahedra, faces with four equivalent La(1)O12 cuboctahedra, and faces with four equivalent La(2)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-1°. The Mn(3)-O(5) bond length is 2.00 Å. The Mn(3)-O(6) bond length is 2.01 Å. Both Mn(3)-O(1) bond lengths are 1.97 Å. Both Mn(3)-O(9) bond lengths are 2.06 Å. In the fourth Mn site, Mn(4) is bonded to one O(5), one O(8), two equivalent O(10), and two equivalent O(4) atoms to form MnO6 octahedra that share  a cornercorner with one Mn(2)O6 octahedra,  a cornercorner with one Mn(3)O6 octahedra, corners with two equivalent Mn(1)O6 octahedra, corners with two equivalent Mn(4)O6 octahedra, faces with four equivalent La(1)O12 cuboctahedra, and faces with four equivalent La(2)O12 cuboctahedra. The corner-sharing octahedra are not tilted. The Mn(4)-O(5) bond length is 1.92 Å. The Mn(4)-O(8) bond length is 1.93 Å. Both Mn(4)-O(10) bond lengths are 2.06 Å. Both Mn(4)-O(4) bond lengths are 1.97 Å. There are ten inequivalent O sites. In the first O site, O(1) is bonded in a distorted linear geometry to two equivalent La(1), two equivalent La(2), and two equivalent Mn(3) atoms. In the second O site, O(2) is bonded in a distorted linear geometry to two equivalent La(1), two equivalent La(2), and two equivalent Mn(1) atoms. In the third O site, O(3) is bonded in a distorted linear geometry to two equivalent La(1), two equivalent La(2), and two equivalent Mn(2) atoms. In the fourth O site, O(4) is bonded in a distorted linear geometry to two equivalent La(1), two equivalent La(2), and two equivalent Mn(4) atoms. In the fifth O site, O(5) is bonded in a distorted linear geometry to four equivalent La(1), one Mn(3), and one Mn(4) atom. In the sixth O site, O(6) is bonded in a distorted linear geometry to four equivalent La(2), one Mn(1), and one Mn(3) atom. In the seventh O site, O(7) is bonded in a distorted linear geometry to four equivalent La(1), one Mn(1), and one Mn(2) atom. In the eighth O site, O(8) is bonded in a distorted linear geometry to four equivalent La(2), one Mn(2), and one Mn(4) atom. In the ninth O site, O(9) is bonded in a distorted linear geometry to two equivalent La(1), two equivalent La(2), one Mn(2), and one Mn(3) atom. In the tenth O site, O(10) is bonded in a distorted linear geometry to two equivalent La(1), two equivalent La(2), one Mn(1), and one Mn(4) atom.