Li2MnP3O10 crystallizes in the monoclinic P2_1/m space group. Li(1) is bonded in a 4-coordinate geometry to one O(2), one O(4), and two equivalent O(3) atoms. Mn(1) is bonded in a square co-planar geometry to two equivalent O(1) and two equivalent O(5) atoms. There are three inequivalent P sites. In the first P site, P(1) is bonded to one O(6), one O(7), and two equivalent O(1) atoms to form corner-sharing PO4 tetrahedra. In the second P site, P(2) is bonded to one O(4), one O(7), and two equivalent O(3) atoms to form corner-sharing PO4 tetrahedra. In the third P site, P(3) is bonded to one O(2), one O(6), and two equivalent O(5) atoms to form corner-sharing PO4 tetrahedra. There are seven inequivalent O sites. In the first O site, O(1) is bonded in a 2-coordinate geometry to one Mn(1) and one P(1) atom. In the second O site, O(2) is bonded in a 3-coordinate geometry to two equivalent Li(1) and one P(3) atom. In the third O site, O(3) is bonded in a distorted T-shaped geometry to two equivalent Li(1) and one P(2) atom. In the fourth O site, O(4) is bonded in a distorted trigonal planar geometry to two equivalent Li(1) and one P(2) atom. In the fifth O site, O(5) is bonded in a 2-coordinate geometry to one Mn(1) and one P(3) atom. In the sixth O site, O(6) is bonded in a bent 120 degrees geometry to one P(1) and one P(3) atom. In the seventh O site, O(7) is bonded in a linear geometry to one P(1) and one P(2) atom.
Li2MnP3O10 crystallizes in the monoclinic P2_1/m space group. Li(1) is bonded in a 4-coordinate geometry to one O(2), one O(4), and two equivalent O(3) atoms. The Li(1)-O(2) bond length is 2.29 Å. The Li(1)-O(4) bond length is 1.96 Å. There is one shorter (1.95 Å) and one longer (2.03 Å) Li(1)-O(3) bond length. Mn(1) is bonded in a square co-planar geometry to two equivalent O(1) and two equivalent O(5) atoms. Both Mn(1)-O(1) bond lengths are 1.95 Å. Both Mn(1)-O(5) bond lengths are 1.92 Å. There are three inequivalent P sites. In the first P site, P(1) is bonded to one O(6), one O(7), and two equivalent O(1) atoms to form corner-sharing PO4 tetrahedra. The P(1)-O(6) bond length is 1.64 Å. The P(1)-O(7) bond length is 1.51 Å. Both P(1)-O(1) bond lengths are 1.54 Å. In the second P site, P(2) is bonded to one O(4), one O(7), and two equivalent O(3) atoms to form corner-sharing PO4 tetrahedra. The P(2)-O(4) bond length is 1.51 Å. The P(2)-O(7) bond length is 1.79 Å. Both P(2)-O(3) bond lengths are 1.51 Å. In the third P site, P(3) is bonded to one O(2), one O(6), and two equivalent O(5) atoms to form corner-sharing PO4 tetrahedra. The P(3)-O(2) bond length is 1.49 Å. The P(3)-O(6) bond length is 1.69 Å. Both P(3)-O(5) bond lengths are 1.55 Å. There are seven inequivalent O sites. In the first O site, O(1) is bonded in a 2-coordinate geometry to one Mn(1) and one P(1) atom. In the second O site, O(2) is bonded in a 3-coordinate geometry to two equivalent Li(1) and one P(3) atom. In the third O site, O(3) is bonded in a distorted T-shaped geometry to two equivalent Li(1) and one P(2) atom. In the fourth O site, O(4) is bonded in a distorted trigonal planar geometry to two equivalent Li(1) and one P(2) atom. In the fifth O site, O(5) is bonded in a 2-coordinate geometry to one Mn(1) and one P(3) atom. In the sixth O site, O(6) is bonded in a bent 120 degrees geometry to one P(1) and one P(3) atom. In the seventh O site, O(7) is bonded in a linear geometry to one P(1) and one P(2) atom.