MgMn6O11F crystallizes in the triclinic P1 space group. Mg(1) is bonded to one O(10), one O(4), two equivalent O(9), and two equivalent F(1) atoms to form MgO4F2 octahedra that share corners with two equivalent Mn(4)O6 octahedra, corners with two equivalent Mn(3)O5 square pyramids, corners with two equivalent Mn(6)O5 square pyramids, edges with two equivalent Mg(1)O4F2 octahedra, and  a faceface with one Mn(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 32-33°. There are six inequivalent Mn sites. In the first Mn site, Mn(1) is bonded in a 6-coordinate geometry to one O(2), one O(4), two equivalent O(1), and two equivalent F(1) atoms. In the second Mn site, Mn(2) is bonded to one O(1), one O(6), two equivalent O(11), and two equivalent O(3) atoms to form a mixture of corner and edge-sharing MnO6 octahedra. The corner-sharing octahedral tilt angles range from 50-52°. In the third Mn site, Mn(3) is bonded to one O(7), two equivalent O(2), and two equivalent O(4) atoms to form MnO5 square pyramids that share corners with two equivalent Mg(1)O4F2 octahedra, corners with two equivalent Mn(5)O6 octahedra, and edges with two equivalent Mn(3)O5 square pyramids. The corner-sharing octahedral tilt angles range from 47-69°. In the fourth Mn site, Mn(4) is bonded to one O(10), one O(5), two equivalent O(6), and two equivalent O(9) atoms to form MnO6 octahedra that share corners with two equivalent Mg(1)O4F2 octahedra, corners with two equivalent Mn(2)O6 octahedra, corners with four equivalent Mn(6)O5 square pyramids, edges with two equivalent Mn(4)O6 octahedra, and  a faceface with one Mg(1)O4F2 octahedra. The corner-sharing octahedral tilt angles range from 32-52°. In the fifth Mn site, Mn(5) is bonded to one O(11), one O(3), two equivalent O(7), and two equivalent O(8) atoms to form MnO6 octahedra that share corners with four equivalent Mn(2)O6 octahedra, corners with two equivalent Mn(3)O5 square pyramids, corners with two equivalent Mn(6)O5 square pyramids, and edges with two equivalent Mn(5)O6 octahedra. The corner-sharing octahedral tilt angles range from 50-51°. In the sixth Mn site, Mn(6) is bonded to one O(8), two equivalent O(10), and two equivalent O(5) atoms to form MnO5 square pyramids that share corners with two equivalent Mg(1)O4F2 octahedra, corners with two equivalent Mn(5)O6 octahedra, corners with four equivalent Mn(4)O6 octahedra, and edges with two equivalent Mn(6)O5 square pyramids. The corner-sharing octahedral tilt angles range from 50-65°. There are eleven inequivalent O sites. In the first O site, O(1) is bonded in a trigonal planar geometry to one Mn(2) and two equivalent Mn(1) atoms. In the second O site, O(2) is bonded in a trigonal planar geometry to one Mn(1) and two equivalent Mn(3) atoms. In the third O site, O(3) is bonded in a trigonal planar geometry to one Mn(5) and two equivalent Mn(2) atoms. In the fourth O site, O(4) is bonded to one Mg(1), one Mn(1), and two equivalent Mn(3) atoms to form corner-sharing OMgMn3 tetrahedra. In the fifth O site, O(5) is bonded in a trigonal planar geometry to one Mn(4) and two equivalent Mn(6) atoms. In the sixth O site, O(6) is bonded in a trigonal planar geometry to one Mn(2) and two equivalent Mn(4) atoms. In the seventh O site, O(7) is bonded in a trigonal planar geometry to one Mn(3) and two equivalent Mn(5) atoms. In the eighth O site, O(8) is bonded in a trigonal planar geometry to one Mn(6) and two equivalent Mn(5) atoms. In the ninth O site, O(9) is bonded in a distorted rectangular see-saw-like geometry to two equivalent Mg(1) and two equivalent Mn(4) atoms. In the tenth O site, O(10) is bonded to one Mg(1), one Mn(4), and two equivalent Mn(6) atoms to form distorted corner-sharing OMgMn3 tetrahedra. In the eleventh O site, O(11) is bonded in a trigonal planar geometry to one Mn(5) and two equivalent Mn(2) atoms. F(1) is bonded in a 4-coordinate geometry to two equivalent Mg(1) and two equivalent Mn(1) atoms.
MgMn6O11F crystallizes in the triclinic P1 space group. Mg(1) is bonded to one O(10), one O(4), two equivalent O(9), and two equivalent F(1) atoms to form MgO4F2 octahedra that share corners with two equivalent Mn(4)O6 octahedra, corners with two equivalent Mn(3)O5 square pyramids, corners with two equivalent Mn(6)O5 square pyramids, edges with two equivalent Mg(1)O4F2 octahedra, and  a faceface with one Mn(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 32-33°. The Mg(1)-O(10) bond length is 2.10 Å. The Mg(1)-O(4) bond length is 2.07 Å. There is one shorter (2.09 Å) and one longer (2.11 Å) Mg(1)-O(9) bond length. There is one shorter (2.05 Å) and one longer (2.06 Å) Mg(1)-F(1) bond length. There are six inequivalent Mn sites. In the first Mn site, Mn(1) is bonded in a 6-coordinate geometry to one O(2), one O(4), two equivalent O(1), and two equivalent F(1) atoms. The Mn(1)-O(2) bond length is 1.94 Å. The Mn(1)-O(4) bond length is 2.07 Å. There is one shorter (1.87 Å) and one longer (1.94 Å) Mn(1)-O(1) bond length. There is one shorter (2.24 Å) and one longer (2.54 Å) Mn(1)-F(1) bond length. In the second Mn site, Mn(2) is bonded to one O(1), one O(6), two equivalent O(11), and two equivalent O(3) atoms to form a mixture of corner and edge-sharing MnO6 octahedra. The corner-sharing octahedral tilt angles range from 50-52°. The Mn(2)-O(1) bond length is 1.96 Å. The Mn(2)-O(6) bond length is 2.01 Å. There is one shorter (1.92 Å) and one longer (1.94 Å) Mn(2)-O(11) bond length. There is one shorter (1.92 Å) and one longer (1.94 Å) Mn(2)-O(3) bond length. In the third Mn site, Mn(3) is bonded to one O(7), two equivalent O(2), and two equivalent O(4) atoms to form MnO5 square pyramids that share corners with two equivalent Mg(1)O4F2 octahedra, corners with two equivalent Mn(5)O6 octahedra, and edges with two equivalent Mn(3)O5 square pyramids. The corner-sharing octahedral tilt angles range from 47-69°. The Mn(3)-O(7) bond length is 2.00 Å. Both Mn(3)-O(2) bond lengths are 1.94 Å. There is one shorter (1.99 Å) and one longer (2.01 Å) Mn(3)-O(4) bond length. In the fourth Mn site, Mn(4) is bonded to one O(10), one O(5), two equivalent O(6), and two equivalent O(9) atoms to form MnO6 octahedra that share corners with two equivalent Mg(1)O4F2 octahedra, corners with two equivalent Mn(2)O6 octahedra, corners with four equivalent Mn(6)O5 square pyramids, edges with two equivalent Mn(4)O6 octahedra, and  a faceface with one Mg(1)O4F2 octahedra. The corner-sharing octahedral tilt angles range from 32-52°. The Mn(4)-O(10) bond length is 2.05 Å. The Mn(4)-O(5) bond length is 1.92 Å. Both Mn(4)-O(6) bond lengths are 1.91 Å. Both Mn(4)-O(9) bond lengths are 2.03 Å. In the fifth Mn site, Mn(5) is bonded to one O(11), one O(3), two equivalent O(7), and two equivalent O(8) atoms to form MnO6 octahedra that share corners with four equivalent Mn(2)O6 octahedra, corners with two equivalent Mn(3)O5 square pyramids, corners with two equivalent Mn(6)O5 square pyramids, and edges with two equivalent Mn(5)O6 octahedra. The corner-sharing octahedral tilt angles range from 50-51°. The Mn(5)-O(11) bond length is 1.97 Å. The Mn(5)-O(3) bond length is 1.96 Å. There is one shorter (1.92 Å) and one longer (1.94 Å) Mn(5)-O(7) bond length. Both Mn(5)-O(8) bond lengths are 1.93 Å. In the sixth Mn site, Mn(6) is bonded to one O(8), two equivalent O(10), and two equivalent O(5) atoms to form MnO5 square pyramids that share corners with two equivalent Mg(1)O4F2 octahedra, corners with two equivalent Mn(5)O6 octahedra, corners with four equivalent Mn(4)O6 octahedra, and edges with two equivalent Mn(6)O5 square pyramids. The corner-sharing octahedral tilt angles range from 50-65°. The Mn(6)-O(8) bond length is 1.96 Å. Both Mn(6)-O(10) bond lengths are 1.98 Å. There is one shorter (1.93 Å) and one longer (1.94 Å) Mn(6)-O(5) bond length. There are eleven inequivalent O sites. In the first O site, O(1) is bonded in a trigonal planar geometry to one Mn(2) and two equivalent Mn(1) atoms. In the second O site, O(2) is bonded in a trigonal planar geometry to one Mn(1) and two equivalent Mn(3) atoms. In the third O site, O(3) is bonded in a trigonal planar geometry to one Mn(5) and two equivalent Mn(2) atoms. In the fourth O site, O(4) is bonded to one Mg(1), one Mn(1), and two equivalent Mn(3) atoms to form corner-sharing OMgMn3 tetrahedra. In the fifth O site, O(5) is bonded in a trigonal planar geometry to one Mn(4) and two equivalent Mn(6) atoms. In the sixth O site, O(6) is bonded in a trigonal planar geometry to one Mn(2) and two equivalent Mn(4) atoms. In the seventh O site, O(7) is bonded in a trigonal planar geometry to one Mn(3) and two equivalent Mn(5) atoms. In the eighth O site, O(8) is bonded in a trigonal planar geometry to one Mn(6) and two equivalent Mn(5) atoms. In the ninth O site, O(9) is bonded in a distorted rectangular see-saw-like geometry to two equivalent Mg(1) and two equivalent Mn(4) atoms. In the tenth O site, O(10) is bonded to one Mg(1), one Mn(4), and two equivalent Mn(6) atoms to form distorted corner-sharing OMgMn3 tetrahedra. In the eleventh O site, O(11) is bonded in a trigonal planar geometry to one Mn(5) and two equivalent Mn(2) atoms. F(1) is bonded in a 4-coordinate geometry to two equivalent Mg(1) and two equivalent Mn(1) atoms.