LiMn(PO3)3 crystallizes in the triclinic P-1 space group. Li(1) is bonded in a 5-coordinate geometry to one O(1), one O(2), one O(8), and two equivalent O(4) atoms. Mn(1) is bonded to one O(1), one O(2), one O(4), one O(9), and two equivalent O(3) atoms to form MnO6 octahedra that share  a cornercorner with one P(3)O4 tetrahedra, corners with two equivalent P(1)O4 tetrahedra, corners with three equivalent P(2)O4 tetrahedra, and  an edgeedge with one Mn(1)O6 octahedra. There are three inequivalent P sites. In the first P site, P(1) is bonded to one O(1), one O(2), one O(5), and one O(6) 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 53-56°. In the second P site, P(2) is bonded to one O(3), one O(5), one O(7), and one O(9) atom to form PO4 tetrahedra that share corners with three equivalent Mn(1)O6 octahedra,  a cornercorner with one P(1)O4 tetrahedra, and  a cornercorner with one P(3)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 20-60°. In the third P site, P(3) is bonded to one O(4), one O(6), one O(7), and one O(8) 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(2)O4 tetrahedra. The corner-sharing octahedral tilt angles are 53°. There are nine inequivalent O sites. In the first O site, O(1) is bonded in a distorted trigonal planar geometry to one Li(1), one Mn(1), and one P(1) atom. In the second O site, O(2) is bonded in a distorted trigonal planar geometry to one Li(1), one Mn(1), and one P(1) atom. In the third O site, O(3) is bonded in a 3-coordinate geometry to two equivalent Mn(1) and one P(2) atom. In the fourth O site, O(4) is bonded in a 4-coordinate geometry to two equivalent Li(1), one Mn(1), and one P(3) atom. In the fifth O site, O(5) is bonded in a bent 120 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 P(1) and one P(3) atom. In the seventh O site, O(7) is bonded in a bent 150 degrees geometry to one P(2) and one P(3) atom. In the eighth O site, O(8) is bonded in a bent 150 degrees geometry to one Li(1) and one P(3) atom. In the ninth O site, O(9) is bonded in a bent 150 degrees geometry to one Mn(1) and one P(2) atom.
LiMn(PO3)3 crystallizes in the triclinic P-1 space group. Li(1) is bonded in a 5-coordinate geometry to one O(1), one O(2), one O(8), and two equivalent O(4) atoms. The Li(1)-O(1) bond length is 2.14 Å. The Li(1)-O(2) bond length is 2.11 Å. The Li(1)-O(8) bond length is 1.92 Å. There is one shorter (2.36 Å) and one longer (2.54 Å) Li(1)-O(4) bond length. Mn(1) is bonded to one O(1), one O(2), one O(4), one O(9), and two equivalent O(3) atoms to form MnO6 octahedra that share  a cornercorner with one P(3)O4 tetrahedra, corners with two equivalent P(1)O4 tetrahedra, corners with three equivalent P(2)O4 tetrahedra, and  an edgeedge with one Mn(1)O6 octahedra. The Mn(1)-O(1) bond length is 2.28 Å. The Mn(1)-O(2) bond length is 2.26 Å. The Mn(1)-O(4) bond length is 2.26 Å. The Mn(1)-O(9) bond length is 2.08 Å. There is one shorter (2.26 Å) and one longer (2.30 Å) Mn(1)-O(3) bond length. There are three inequivalent P sites. In the first P site, P(1) is bonded to one O(1), one O(2), one O(5), and one O(6) 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 53-56°. The P(1)-O(1) bond length is 1.51 Å. The P(1)-O(2) bond length is 1.51 Å. The P(1)-O(5) bond length is 1.61 Å. The P(1)-O(6) bond length is 1.60 Å. In the second P site, P(2) is bonded to one O(3), one O(5), one O(7), and one O(9) atom to form PO4 tetrahedra that share corners with three equivalent Mn(1)O6 octahedra,  a cornercorner with one P(1)O4 tetrahedra, and  a cornercorner with one P(3)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 20-60°. The P(2)-O(3) bond length is 1.53 Å. The P(2)-O(5) bond length is 1.62 Å. The P(2)-O(7) bond length is 1.58 Å. The P(2)-O(9) bond length is 1.48 Å. In the third P site, P(3) is bonded to one O(4), one O(6), one O(7), and one O(8) 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(2)O4 tetrahedra. The corner-sharing octahedral tilt angles are 53°. The P(3)-O(4) bond length is 1.52 Å. The P(3)-O(6) bond length is 1.63 Å. The P(3)-O(7) bond length is 1.61 Å. The P(3)-O(8) bond length is 1.48 Å. There are nine inequivalent O sites. In the first O site, O(1) is bonded in a distorted trigonal planar geometry to one Li(1), one Mn(1), and one P(1) atom. In the second O site, O(2) is bonded in a distorted trigonal planar geometry to one Li(1), one Mn(1), and one P(1) atom. In the third O site, O(3) is bonded in a 3-coordinate geometry to two equivalent Mn(1) and one P(2) atom. In the fourth O site, O(4) is bonded in a 4-coordinate geometry to two equivalent Li(1), one Mn(1), and one P(3) atom. In the fifth O site, O(5) is bonded in a bent 120 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 P(1) and one P(3) atom. In the seventh O site, O(7) is bonded in a bent 150 degrees geometry to one P(2) and one P(3) atom. In the eighth O site, O(8) is bonded in a bent 150 degrees geometry to one Li(1) and one P(3) atom. In the ninth O site, O(9) is bonded in a bent 150 degrees geometry to one Mn(1) and one P(2) atom.