MgVMnP2(O4F)2 crystallizes in the triclinic P1 space group. Mg(1) is bonded to one O(4), one O(5), one O(6), one O(8), and one F(1) atom to form MgO4F trigonal bipyramids that share corners with two equivalent Mn(1)O4F2 octahedra,  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(2)O4 tetrahedra, edges with two equivalent V(1)O4F2 octahedra, and  an edgeedge with one P(2)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 48-59°. V(1) is bonded to one O(1), one O(4), one O(5), one O(8), one F(1), and one F(2) atom to form VO4F2 octahedra that share corners with two equivalent Mn(1)O4F2 octahedra, corners with two equivalent P(1)O4 tetrahedra, corners with two equivalent P(2)O4 tetrahedra, and edges with two equivalent Mg(1)O4F trigonal bipyramids. The corner-sharing octahedral tilt angles range from 46-48°. Mn(1) is bonded to one O(2), one O(3), one O(6), one O(7), one F(1), and one F(2) atom to form MnO4F2 octahedra that share corners with two equivalent V(1)O4F2 octahedra, corners with two equivalent P(1)O4 tetrahedra, corners with two equivalent P(2)O4 tetrahedra, and corners with two equivalent Mg(1)O4F trigonal bipyramids. The corner-sharing octahedral tilt angles range from 46-48°. There are two inequivalent P sites. In the first P site, P(1) is bonded to one O(1), one O(2), one O(3), and one O(5) atom to form PO4 tetrahedra that share corners with two equivalent V(1)O4F2 octahedra, corners with two equivalent Mn(1)O4F2 octahedra, and  a cornercorner with one Mg(1)O4F trigonal bipyramid. The corner-sharing octahedral tilt angles range from 28-52°. In the second P site, P(2) is bonded to one O(4), one O(6), one O(7), and one O(8) atom to form PO4 tetrahedra that share corners with two equivalent V(1)O4F2 octahedra, corners with two equivalent Mn(1)O4F2 octahedra,  a cornercorner with one Mg(1)O4F trigonal bipyramid, and  an edgeedge with one Mg(1)O4F trigonal bipyramid. The corner-sharing octahedral tilt angles range from 32-54°. There are eight 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(1) atom. In the second O site, O(2) is bonded in a bent 150 degrees geometry to one Mn(1) and one P(1) atom. In the third O site, O(3) is bonded in a distorted bent 150 degrees geometry to one Mn(1) and one P(1) atom. In the fourth O site, O(4) is bonded in a 3-coordinate geometry to one Mg(1), one V(1), and one P(2) atom. In the fifth O site, O(5) is bonded in a distorted trigonal planar geometry to one Mg(1), one V(1), and one P(1) atom. In the sixth O site, O(6) is bonded in a 3-coordinate geometry to one Mg(1), one Mn(1), and one P(2) 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 T-shaped geometry to one Mg(1), one V(1), and one P(2) atom. There are two inequivalent F sites. In the first F site, F(1) is bonded in a distorted trigonal planar geometry to one Mg(1), one V(1), and one Mn(1) atom. In the second F site, F(2) is bonded in a distorted bent 120 degrees geometry to one V(1) and one Mn(1) atom.
MgVMnP2(O4F)2 crystallizes in the triclinic P1 space group. Mg(1) is bonded to one O(4), one O(5), one O(6), one O(8), and one F(1) atom to form MgO4F trigonal bipyramids that share corners with two equivalent Mn(1)O4F2 octahedra,  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(2)O4 tetrahedra, edges with two equivalent V(1)O4F2 octahedra, and  an edgeedge with one P(2)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 48-59°. The Mg(1)-O(4) bond length is 2.06 Å. The Mg(1)-O(5) bond length is 2.05 Å. The Mg(1)-O(6) bond length is 2.11 Å. The Mg(1)-O(8) bond length is 2.06 Å. The Mg(1)-F(1) bond length is 1.93 Å. V(1) is bonded to one O(1), one O(4), one O(5), one O(8), one F(1), and one F(2) atom to form VO4F2 octahedra that share corners with two equivalent Mn(1)O4F2 octahedra, corners with two equivalent P(1)O4 tetrahedra, corners with two equivalent P(2)O4 tetrahedra, and edges with two equivalent Mg(1)O4F trigonal bipyramids. The corner-sharing octahedral tilt angles range from 46-48°. The V(1)-O(1) bond length is 1.92 Å. The V(1)-O(4) bond length is 2.13 Å. The V(1)-O(5) bond length is 2.07 Å. The V(1)-O(8) bond length is 2.06 Å. The V(1)-F(1) bond length is 2.03 Å. The V(1)-F(2) bond length is 1.90 Å. Mn(1) is bonded to one O(2), one O(3), one O(6), one O(7), one F(1), and one F(2) atom to form MnO4F2 octahedra that share corners with two equivalent V(1)O4F2 octahedra, corners with two equivalent P(1)O4 tetrahedra, corners with two equivalent P(2)O4 tetrahedra, and corners with two equivalent Mg(1)O4F trigonal bipyramids. The corner-sharing octahedral tilt angles range from 46-48°. The Mn(1)-O(2) bond length is 1.98 Å. The Mn(1)-O(3) bond length is 1.93 Å. The Mn(1)-O(6) bond length is 2.04 Å. The Mn(1)-O(7) bond length is 1.96 Å. The Mn(1)-F(1) bond length is 2.29 Å. The Mn(1)-F(2) bond length is 2.09 Å. There are two inequivalent P sites. In the first P site, P(1) is bonded to one O(1), one O(2), one O(3), and one O(5) atom to form PO4 tetrahedra that share corners with two equivalent V(1)O4F2 octahedra, corners with two equivalent Mn(1)O4F2 octahedra, and  a cornercorner with one Mg(1)O4F trigonal bipyramid. The corner-sharing octahedral tilt angles range from 28-52°. The P(1)-O(1) bond length is 1.54 Å. The P(1)-O(2) bond length is 1.54 Å. The P(1)-O(3) bond length is 1.55 Å. The P(1)-O(5) bond length is 1.57 Å. In the second P site, P(2) is bonded to one O(4), one O(6), one O(7), and one O(8) atom to form PO4 tetrahedra that share corners with two equivalent V(1)O4F2 octahedra, corners with two equivalent Mn(1)O4F2 octahedra,  a cornercorner with one Mg(1)O4F trigonal bipyramid, and  an edgeedge with one Mg(1)O4F trigonal bipyramid. The corner-sharing octahedral tilt angles range from 32-54°. The P(2)-O(4) bond length is 1.56 Å. The P(2)-O(6) bond length is 1.58 Å. The P(2)-O(7) bond length is 1.53 Å. The P(2)-O(8) bond length is 1.57 Å. There are eight 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(1) atom. In the second O site, O(2) is bonded in a bent 150 degrees geometry to one Mn(1) and one P(1) atom. In the third O site, O(3) is bonded in a distorted bent 150 degrees geometry to one Mn(1) and one P(1) atom. In the fourth O site, O(4) is bonded in a 3-coordinate geometry to one Mg(1), one V(1), and one P(2) atom. In the fifth O site, O(5) is bonded in a distorted trigonal planar geometry to one Mg(1), one V(1), and one P(1) atom. In the sixth O site, O(6) is bonded in a 3-coordinate geometry to one Mg(1), one Mn(1), and one P(2) 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 T-shaped geometry to one Mg(1), one V(1), and one P(2) atom. There are two inequivalent F sites. In the first F site, F(1) is bonded in a distorted trigonal planar geometry to one Mg(1), one V(1), and one Mn(1) atom. In the second F site, F(2) is bonded in a distorted bent 120 degrees geometry to one V(1) and one Mn(1) atom.