MgMn4O7F crystallizes in the triclinic P1 space group. Mg(1) is bonded to one O(2), one O(3), one O(4), one O(5), one O(6), and one F(1) atom to form MgO5F octahedra that share edges with two equivalent Mn(1)O5F octahedra and edges with two equivalent Mn(2)O5F octahedra. There are four inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one O(1), one O(2), one O(4), one O(6), one O(7), and one F(1) atom to form MnO5F octahedra that share edges with two equivalent Mg(1)O5F octahedra and edges with two equivalent Mn(2)O5F octahedra. In the second Mn site, Mn(2) is bonded to one O(1), one O(2), one O(3), one O(5), one O(7), and one F(1) atom to form distorted MnO5F octahedra that share edges with two equivalent Mg(1)O5F octahedra and edges with two equivalent Mn(1)O5F octahedra. In the third Mn site, Mn(3) is bonded in a distorted rectangular see-saw-like geometry to one O(3), one O(4), one O(5), one O(6), and one O(7) atom. In the fourth Mn site, Mn(4) is bonded in a 6-coordinate geometry to one O(2), one O(3), one O(4), one O(5), one O(6), and one F(1) atom. There are seven inequivalent O sites. In the first O site, O(1) is bonded in a water-like geometry to one Mn(1) and one Mn(2) atom. In the second O site, O(2) is bonded in a distorted see-saw-like geometry to one Mg(1), one Mn(1), one Mn(2), and one Mn(4) atom. In the third O site, O(3) is bonded in a 4-coordinate geometry to one Mg(1), one Mn(2), one Mn(3), and one Mn(4) atom. In the fourth O site, O(4) is bonded to one Mg(1), one Mn(1), one Mn(3), and one Mn(4) atom to form a mixture of distorted edge and corner-sharing OMgMn3 trigonal pyramids. In the fifth O site, O(5) is bonded to one Mg(1), one Mn(2), one Mn(3), and one Mn(4) atom to form a mixture of distorted edge and corner-sharing OMgMn3 trigonal pyramids. In the sixth O site, O(6) is bonded in a distorted rectangular see-saw-like geometry to one Mg(1), one Mn(1), one Mn(3), and one Mn(4) atom. In the seventh O site, O(7) is bonded in a trigonal planar geometry to one Mn(1), one Mn(2), and one Mn(3) atom. F(1) is bonded in a distorted rectangular see-saw-like geometry to one Mg(1), one Mn(1), one Mn(2), and one Mn(4) atom.
MgMn4O7F crystallizes in the triclinic P1 space group. Mg(1) is bonded to one O(2), one O(3), one O(4), one O(5), one O(6), and one F(1) atom to form MgO5F octahedra that share edges with two equivalent Mn(1)O5F octahedra and edges with two equivalent Mn(2)O5F octahedra. The Mg(1)-O(2) bond length is 2.12 Å. The Mg(1)-O(3) bond length is 1.98 Å. The Mg(1)-O(4) bond length is 2.05 Å. The Mg(1)-O(5) bond length is 1.99 Å. The Mg(1)-O(6) bond length is 2.08 Å. The Mg(1)-F(1) bond length is 2.04 Å. There are four inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one O(1), one O(2), one O(4), one O(6), one O(7), and one F(1) atom to form MnO5F octahedra that share edges with two equivalent Mg(1)O5F octahedra and edges with two equivalent Mn(2)O5F octahedra. The Mn(1)-O(1) bond length is 1.88 Å. The Mn(1)-O(2) bond length is 1.94 Å. The Mn(1)-O(4) bond length is 2.06 Å. The Mn(1)-O(6) bond length is 1.99 Å. The Mn(1)-O(7) bond length is 1.94 Å. The Mn(1)-F(1) bond length is 2.02 Å. In the second Mn site, Mn(2) is bonded to one O(1), one O(2), one O(3), one O(5), one O(7), and one F(1) atom to form distorted MnO5F octahedra that share edges with two equivalent Mg(1)O5F octahedra and edges with two equivalent Mn(1)O5F octahedra. The Mn(2)-O(1) bond length is 1.88 Å. The Mn(2)-O(2) bond length is 1.99 Å. The Mn(2)-O(3) bond length is 2.17 Å. The Mn(2)-O(5) bond length is 2.05 Å. The Mn(2)-O(7) bond length is 1.98 Å. The Mn(2)-F(1) bond length is 2.38 Å. In the third Mn site, Mn(3) is bonded in a distorted rectangular see-saw-like geometry to one O(3), one O(4), one O(5), one O(6), and one O(7) atom. The Mn(3)-O(3) bond length is 1.88 Å. The Mn(3)-O(4) bond length is 2.02 Å. The Mn(3)-O(5) bond length is 1.97 Å. The Mn(3)-O(6) bond length is 2.67 Å. The Mn(3)-O(7) bond length is 1.96 Å. In the fourth Mn site, Mn(4) is bonded in a 6-coordinate geometry to one O(2), one O(3), one O(4), one O(5), one O(6), and one F(1) atom. The Mn(4)-O(2) bond length is 1.98 Å. The Mn(4)-O(3) bond length is 2.40 Å. The Mn(4)-O(4) bond length is 1.99 Å. The Mn(4)-O(5) bond length is 2.02 Å. The Mn(4)-O(6) bond length is 1.88 Å. The Mn(4)-F(1) bond length is 2.39 Å. There are seven inequivalent O sites. In the first O site, O(1) is bonded in a water-like geometry to one Mn(1) and one Mn(2) atom. In the second O site, O(2) is bonded in a distorted see-saw-like geometry to one Mg(1), one Mn(1), one Mn(2), and one Mn(4) atom. In the third O site, O(3) is bonded in a 4-coordinate geometry to one Mg(1), one Mn(2), one Mn(3), and one Mn(4) atom. In the fourth O site, O(4) is bonded to one Mg(1), one Mn(1), one Mn(3), and one Mn(4) atom to form a mixture of distorted edge and corner-sharing OMgMn3 trigonal pyramids. In the fifth O site, O(5) is bonded to one Mg(1), one Mn(2), one Mn(3), and one Mn(4) atom to form a mixture of distorted edge and corner-sharing OMgMn3 trigonal pyramids. In the sixth O site, O(6) is bonded in a distorted rectangular see-saw-like geometry to one Mg(1), one Mn(1), one Mn(3), and one Mn(4) atom. In the seventh O site, O(7) is bonded in a trigonal planar geometry to one Mn(1), one Mn(2), and one Mn(3) atom. F(1) is bonded in a distorted rectangular see-saw-like geometry to one Mg(1), one Mn(1), one Mn(2), and one Mn(4) atom.