LiMn(PO3)4 crystallizes in the monoclinic P2_1 space group. Li(1) is bonded in a bent 120 degrees geometry to one O(12) and one O(4) atom. Mn(1) is bonded to one O(10), one O(11), one O(6), one O(7), one O(8), and one O(9) atom to form MnO6 octahedra that share  a cornercorner with one P(3)O4 tetrahedra,  a cornercorner with one P(4)O4 tetrahedra, corners with two equivalent P(1)O4 tetrahedra, and corners with two equivalent P(2)O4 tetrahedra. There are four inequivalent P sites. In the first P site, P(1) is bonded to one O(2), one O(5), one O(6), and one O(9) atom to form PO4 tetrahedra that share corners with two equivalent Mn(1)O6 octahedra,  a cornercorner with one P(2)O4 tetrahedra, and  a cornercorner with one P(3)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 41-53°. In the second P site, P(2) is bonded to one O(3), one O(5), one O(7), and one O(8) atom to form PO4 tetrahedra that share corners with two equivalent Mn(1)O6 octahedra,  a cornercorner with one P(1)O4 tetrahedra, and  a cornercorner with one P(4)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 42-50°. In the third P site, P(3) is bonded to one O(1), one O(10), one O(2), and one O(4) atom to form PO4 tetrahedra that share  a cornercorner with one Mn(1)O6 octahedra,  a cornercorner with one P(1)O4 tetrahedra, and  a cornercorner with one P(4)O4 tetrahedra. The corner-sharing octahedral tilt angles are 42°. In the fourth P site, P(4) is bonded to one O(1), one O(11), one O(12), and one O(3) atom to form PO4 tetrahedra that share  a cornercorner with one Mn(1)O6 octahedra,  a cornercorner with one P(2)O4 tetrahedra, and  a cornercorner with one P(3)O4 tetrahedra. The corner-sharing octahedral tilt angles are 45°. There are twelve inequivalent O sites. In the first O site, O(1) is bonded in a bent 150 degrees geometry to one P(3) and one P(4) atom. In the second O site, O(2) is bonded in a bent 120 degrees geometry to one P(1) and one P(3) atom. In the third O site, O(3) is bonded in a bent 120 degrees geometry to one P(2) and one P(4) atom. In the fourth O site, O(4) is bonded in a bent 150 degrees geometry to one Li(1) and one P(3) atom. In the fifth O site, O(5) is bonded in a distorted bent 150 degrees geometry to one P(1) and one P(2) atom. In the sixth O site, O(6) is bonded in a bent 150 degrees geometry to one Mn(1) and one P(1) atom. In the seventh O site, O(7) is bonded in a bent 150 degrees geometry to one Mn(1) and one P(2) atom. In the eighth O site, O(8) is bonded in a distorted bent 120 degrees geometry to one Mn(1) and one P(2) atom. In the ninth O site, O(9) is bonded in a distorted bent 120 degrees geometry to one Mn(1) and one P(1) atom. In the tenth O site, O(10) is bonded in a bent 150 degrees geometry to one Mn(1) and one P(3) atom. In the eleventh O site, O(11) is bonded in a distorted bent 150 degrees geometry to one Mn(1) and one P(4) atom. In the twelfth O site, O(12) is bonded in a bent 150 degrees geometry to one Li(1) and one P(4) atom.
LiMn(PO3)4 crystallizes in the monoclinic P2_1 space group. Li(1) is bonded in a bent 120 degrees geometry to one O(12) and one O(4) atom. The Li(1)-O(12) bond length is 1.85 Å. The Li(1)-O(4) bond length is 1.86 Å. Mn(1) is bonded to one O(10), one O(11), one O(6), one O(7), one O(8), and one O(9) atom to form MnO6 octahedra that share  a cornercorner with one P(3)O4 tetrahedra,  a cornercorner with one P(4)O4 tetrahedra, corners with two equivalent P(1)O4 tetrahedra, and corners with two equivalent P(2)O4 tetrahedra. The Mn(1)-O(10) bond length is 1.93 Å. The Mn(1)-O(11) bond length is 1.93 Å. The Mn(1)-O(6) bond length is 1.92 Å. The Mn(1)-O(7) bond length is 1.93 Å. The Mn(1)-O(8) bond length is 2.23 Å. The Mn(1)-O(9) bond length is 2.25 Å. There are four inequivalent P sites. In the first P site, P(1) is bonded to one O(2), one O(5), one O(6), and one O(9) atom to form PO4 tetrahedra that share corners with two equivalent Mn(1)O6 octahedra,  a cornercorner with one P(2)O4 tetrahedra, and  a cornercorner with one P(3)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 41-53°. The P(1)-O(2) bond length is 1.61 Å. The P(1)-O(5) bond length is 1.62 Å. The P(1)-O(6) bond length is 1.52 Å. The P(1)-O(9) bond length is 1.49 Å. In the second P site, P(2) is bonded to one O(3), one O(5), one O(7), and one O(8) atom to form PO4 tetrahedra that share corners with two equivalent Mn(1)O6 octahedra,  a cornercorner with one P(1)O4 tetrahedra, and  a cornercorner with one P(4)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 42-50°. The P(2)-O(3) bond length is 1.61 Å. The P(2)-O(5) bond length is 1.62 Å. The P(2)-O(7) bond length is 1.52 Å. The P(2)-O(8) bond length is 1.49 Å. In the third P site, P(3) is bonded to one O(1), one O(10), one O(2), and one O(4) atom to form PO4 tetrahedra that share  a cornercorner with one Mn(1)O6 octahedra,  a cornercorner with one P(1)O4 tetrahedra, and  a cornercorner with one P(4)O4 tetrahedra. The corner-sharing octahedral tilt angles are 42°. The P(3)-O(1) bond length is 1.60 Å. The P(3)-O(10) bond length is 1.52 Å. The P(3)-O(2) bond length is 1.62 Å. The P(3)-O(4) bond length is 1.48 Å. In the fourth P site, P(4) is bonded to one O(1), one O(11), one O(12), and one O(3) atom to form PO4 tetrahedra that share  a cornercorner with one Mn(1)O6 octahedra,  a cornercorner with one P(2)O4 tetrahedra, and  a cornercorner with one P(3)O4 tetrahedra. The corner-sharing octahedral tilt angles are 45°. The P(4)-O(1) bond length is 1.60 Å. The P(4)-O(11) bond length is 1.52 Å. The P(4)-O(12) bond length is 1.48 Å. The P(4)-O(3) bond length is 1.63 Å. There are twelve inequivalent O sites. In the first O site, O(1) is bonded in a bent 150 degrees geometry to one P(3) and one P(4) atom. In the second O site, O(2) is bonded in a bent 120 degrees geometry to one P(1) and one P(3) atom. In the third O site, O(3) is bonded in a bent 120 degrees geometry to one P(2) and one P(4) atom. In the fourth O site, O(4) is bonded in a bent 150 degrees geometry to one Li(1) and one P(3) atom. In the fifth O site, O(5) is bonded in a distorted bent 150 degrees geometry to one P(1) and one P(2) atom. In the sixth O site, O(6) is bonded in a bent 150 degrees geometry to one Mn(1) and one P(1) atom. In the seventh O site, O(7) is bonded in a bent 150 degrees geometry to one Mn(1) and one P(2) atom. In the eighth O site, O(8) is bonded in a distorted bent 120 degrees geometry to one Mn(1) and one P(2) atom. In the ninth O site, O(9) is bonded in a distorted bent 120 degrees geometry to one Mn(1) and one P(1) atom. In the tenth O site, O(10) is bonded in a bent 150 degrees geometry to one Mn(1) and one P(3) atom. In the eleventh O site, O(11) is bonded in a distorted bent 150 degrees geometry to one Mn(1) and one P(4) atom. In the twelfth O site, O(12) is bonded in a bent 150 degrees geometry to one Li(1) and one P(4) atom.