LiVMn(P2O7)2 crystallizes in the triclinic P1 space group. Li(1) is bonded in a see-saw-like geometry to one O(11), one O(2), one O(3), and one O(5) atom. V(1) is bonded to one O(1), one O(12), one O(2), one O(4), one O(5), and one O(6) atom to form VO6 octahedra that share  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(2)O4 tetrahedra, corners with two equivalent P(3)O4 tetrahedra, and corners with two equivalent P(4)O4 tetrahedra. Mn(1) is bonded to one O(10), one O(11), one O(13), one O(14), one O(3), 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(10), one O(3), one O(4), and one O(7) atom to form PO4 tetrahedra that share  a cornercorner with one V(1)O6 octahedra, corners with two equivalent Mn(1)O6 octahedra, and  a cornercorner with one P(3)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 43-48°. In the second P site, P(2) is bonded to one O(14), one O(2), one O(8), and one O(9) atom to form PO4 tetrahedra that share  a cornercorner with one V(1)O6 octahedra, corners with two equivalent Mn(1)O6 octahedra, and  a cornercorner with one P(4)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 30-49°. In the third P site, P(3) is bonded to one O(1), one O(13), one O(6), and one O(7) atom to form PO4 tetrahedra that share  a cornercorner with one Mn(1)O6 octahedra, corners with two equivalent V(1)O6 octahedra, and  a cornercorner with one P(1)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 33-47°. In the fourth P site, P(4) is bonded to one O(11), one O(12), one O(5), and one O(8) atom to form PO4 tetrahedra that share  a cornercorner with one Mn(1)O6 octahedra, corners with two equivalent V(1)O6 octahedra, and  a cornercorner with one P(2)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 43-52°. There are fourteen inequivalent O sites. In the first O site, O(1) is bonded in a bent 150 degrees geometry to one V(1) and one P(3) atom. In the second O site, O(2) is bonded in a distorted T-shaped geometry to one Li(1), one V(1), and one P(2) atom. In the third O site, O(3) is bonded in a distorted trigonal planar geometry to one Li(1), one Mn(1), and one P(1) atom. In the fourth O site, O(4) is bonded in a distorted bent 120 degrees geometry to one V(1) and one P(1) atom. In the fifth O site, O(5) is bonded in a distorted trigonal planar geometry to one Li(1), one V(1), and one P(4) atom. In the sixth O site, O(6) is bonded in a bent 120 degrees geometry to one V(1) and one P(3) atom. In the seventh O site, O(7) is bonded in a bent 120 degrees geometry to one P(1) and one P(3) atom. In the eighth O site, O(8) is bonded in a bent 120 degrees geometry to one P(2) and one P(4) atom. In the ninth O site, O(9) is bonded in a distorted bent 120 degrees geometry to one Mn(1) and one P(2) atom. In the tenth O site, O(10) is bonded in a distorted bent 150 degrees geometry to one Mn(1) and one P(1) atom. In the eleventh O site, O(11) is bonded in a distorted trigonal planar geometry to one Li(1), one Mn(1), and one P(4) atom. In the twelfth O site, O(12) is bonded in a distorted bent 150 degrees geometry to one V(1) and one P(4) atom. In the thirteenth O site, O(13) is bonded in a bent 150 degrees geometry to one Mn(1) and one P(3) atom. In the fourteenth O site, O(14) is bonded in a bent 150 degrees geometry to one Mn(1) and one P(2) atom.
LiVMn(P2O7)2 crystallizes in the triclinic P1 space group. Li(1) is bonded in a see-saw-like geometry to one O(11), one O(2), one O(3), and one O(5) atom. The Li(1)-O(11) bond length is 2.00 Å. The Li(1)-O(2) bond length is 2.18 Å. The Li(1)-O(3) bond length is 2.00 Å. The Li(1)-O(5) bond length is 2.01 Å. V(1) is bonded to one O(1), one O(12), one O(2), one O(4), one O(5), and one O(6) atom to form VO6 octahedra that share  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(2)O4 tetrahedra, corners with two equivalent P(3)O4 tetrahedra, and corners with two equivalent P(4)O4 tetrahedra. The V(1)-O(1) bond length is 1.89 Å. The V(1)-O(12) bond length is 1.95 Å. The V(1)-O(2) bond length is 2.02 Å. The V(1)-O(4) bond length is 1.92 Å. The V(1)-O(5) bond length is 2.02 Å. The V(1)-O(6) bond length is 1.94 Å. Mn(1) is bonded to one O(10), one O(11), one O(13), one O(14), one O(3), 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 2.24 Å. The Mn(1)-O(13) bond length is 2.11 Å. The Mn(1)-O(14) bond length is 1.94 Å. The Mn(1)-O(3) bond length is 2.07 Å. The Mn(1)-O(9) bond length is 1.99 Å. There are four inequivalent P sites. In the first P site, P(1) is bonded to one O(10), one O(3), one O(4), and one O(7) atom to form PO4 tetrahedra that share  a cornercorner with one V(1)O6 octahedra, corners with two equivalent Mn(1)O6 octahedra, and  a cornercorner with one P(3)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 43-48°. The P(1)-O(10) bond length is 1.52 Å. The P(1)-O(3) bond length is 1.53 Å. The P(1)-O(4) bond length is 1.54 Å. The P(1)-O(7) bond length is 1.62 Å. In the second P site, P(2) is bonded to one O(14), one O(2), one O(8), and one O(9) atom to form PO4 tetrahedra that share  a cornercorner with one V(1)O6 octahedra, corners with two equivalent Mn(1)O6 octahedra, and  a cornercorner with one P(4)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 30-49°. The P(2)-O(14) bond length is 1.53 Å. The P(2)-O(2) bond length is 1.54 Å. The P(2)-O(8) bond length is 1.61 Å. The P(2)-O(9) bond length is 1.53 Å. In the third P site, P(3) is bonded to one O(1), one O(13), one O(6), and one O(7) atom to form PO4 tetrahedra that share  a cornercorner with one Mn(1)O6 octahedra, corners with two equivalent V(1)O6 octahedra, and  a cornercorner with one P(1)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 33-47°. The P(3)-O(1) bond length is 1.55 Å. The P(3)-O(13) bond length is 1.49 Å. The P(3)-O(6) bond length is 1.55 Å. The P(3)-O(7) bond length is 1.63 Å. In the fourth P site, P(4) is bonded to one O(11), one O(12), one O(5), and one O(8) atom to form PO4 tetrahedra that share  a cornercorner with one Mn(1)O6 octahedra, corners with two equivalent V(1)O6 octahedra, and  a cornercorner with one P(2)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 43-52°. The P(4)-O(11) bond length is 1.52 Å. The P(4)-O(12) bond length is 1.53 Å. The P(4)-O(5) bond length is 1.55 Å. The P(4)-O(8) bond length is 1.62 Å. There are fourteen inequivalent O sites. In the first O site, O(1) is bonded in a bent 150 degrees geometry to one V(1) and one P(3) atom. In the second O site, O(2) is bonded in a distorted T-shaped geometry to one Li(1), one V(1), and one P(2) atom. In the third O site, O(3) is bonded in a distorted trigonal planar geometry to one Li(1), one Mn(1), and one P(1) atom. In the fourth O site, O(4) is bonded in a distorted bent 120 degrees geometry to one V(1) and one P(1) atom. In the fifth O site, O(5) is bonded in a distorted trigonal planar geometry to one Li(1), one V(1), and one P(4) atom. In the sixth O site, O(6) is bonded in a bent 120 degrees geometry to one V(1) and one P(3) atom. In the seventh O site, O(7) is bonded in a bent 120 degrees geometry to one P(1) and one P(3) atom. In the eighth O site, O(8) is bonded in a bent 120 degrees geometry to one P(2) and one P(4) atom. In the ninth O site, O(9) is bonded in a distorted bent 120 degrees geometry to one Mn(1) and one P(2) atom. In the tenth O site, O(10) is bonded in a distorted bent 150 degrees geometry to one Mn(1) and one P(1) atom. In the eleventh O site, O(11) is bonded in a distorted trigonal planar geometry to one Li(1), one Mn(1), and one P(4) atom. In the twelfth O site, O(12) is bonded in a distorted bent 150 degrees geometry to one V(1) and one P(4) atom. In the thirteenth O site, O(13) is bonded in a bent 150 degrees geometry to one Mn(1) and one P(3) atom. In the fourteenth O site, O(14) is bonded in a bent 150 degrees geometry to one Mn(1) and one P(2) atom.