MgMn8O13F3 crystallizes in the triclinic P1 space group. Mg(1) is bonded to one O(1), one O(10), one O(5), one O(6), one F(1), and one F(2) atom to form MgO4F2 octahedra that share corners with two equivalent Mn(5)O5F octahedra, corners with two equivalent Mn(6)O6 octahedra,  an edgeedge with one Mn(1)O5F octahedra,  an edgeedge with one Mn(8)O5F octahedra, edges with two equivalent Mn(2)O4F2 octahedra, and  a faceface with one Mn(3)O4F2 octahedra. The corner-sharing octahedral tilt angles range from 44-57°. There are eight inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one O(1), one O(11), one O(2), one O(3), one O(7), and one F(1) atom to form MnO5F octahedra that share corners with two equivalent Mn(3)O4F2 octahedra, corners with two equivalent Mn(5)O5F octahedra, corners with two equivalent Mn(6)O6 octahedra,  an edgeedge with one Mg(1)O4F2 octahedra,  an edgeedge with one Mn(2)O4F2 octahedra, and  an edgeedge with one Mn(7)O5F octahedra. The corner-sharing octahedral tilt angles range from 41-60°. In the second Mn site, Mn(2) is bonded to one O(10), one O(2), one O(4), one O(5), one F(1), and one F(2) atom to form MnO4F2 octahedra that share corners with two equivalent Mn(3)O4F2 octahedra, corners with two equivalent Mn(5)O5F octahedra, corners with two equivalent Mn(6)O6 octahedra,  an edgeedge with one Mn(1)O5F octahedra,  an edgeedge with one Mn(8)O5F octahedra, and edges with two equivalent Mg(1)O4F2 octahedra. The corner-sharing octahedral tilt angles range from 49-54°. In the third Mn site, Mn(3) is bonded to one O(1), one O(10), one O(13), one O(7), one F(2), and one F(3) atom to form distorted MnO4F2 octahedra that share corners with two equivalent Mn(2)O4F2 octahedra, corners with two equivalent Mn(1)O5F octahedra, corners with two equivalent Mn(7)O5F octahedra, corners with two equivalent Mn(8)O5F octahedra,  an edgeedge with one Mn(5)O5F octahedra,  an edgeedge with one Mn(6)O6 octahedra, and  a faceface with one Mg(1)O4F2 octahedra. The corner-sharing octahedral tilt angles range from 41-57°. In the fourth Mn site, Mn(4) is bonded in a 6-coordinate geometry to one O(11), one O(5), one O(6), one O(8), one O(9), and one F(1) atom. In the fifth Mn site, Mn(5) is bonded to one O(1), one O(2), one O(4), one O(6), one O(8), and one F(3) atom to form distorted MnO5F octahedra that share corners with two equivalent Mg(1)O4F2 octahedra, corners with two equivalent Mn(2)O4F2 octahedra, corners with two equivalent Mn(1)O5F octahedra, corners with two equivalent Mn(7)O5F octahedra, corners with two equivalent Mn(8)O5F octahedra, and  an edgeedge with one Mn(3)O4F2 octahedra. The corner-sharing octahedral tilt angles range from 49-60°. In the sixth Mn site, Mn(6) is bonded to one O(10), one O(12), one O(3), one O(5), one O(7), and one O(9) atom to form MnO6 octahedra that share corners with two equivalent Mg(1)O4F2 octahedra, corners with two equivalent Mn(2)O4F2 octahedra, corners with two equivalent Mn(1)O5F octahedra, corners with two equivalent Mn(7)O5F octahedra, corners with two equivalent Mn(8)O5F octahedra, and  an edgeedge with one Mn(3)O4F2 octahedra. The corner-sharing octahedral tilt angles range from 43-54°. In the seventh Mn site, Mn(7) is bonded to one O(11), one O(12), one O(13), one O(3), one O(8), and one F(3) atom to form MnO5F octahedra that share corners with two equivalent Mn(3)O4F2 octahedra, corners with two equivalent Mn(5)O5F octahedra, corners with two equivalent Mn(6)O6 octahedra,  an edgeedge with one Mn(1)O5F octahedra, and  an edgeedge with one Mn(8)O5F octahedra. The corner-sharing octahedral tilt angles range from 49-55°. In the eighth Mn site, Mn(8) is bonded to one O(12), one O(13), one O(4), one O(6), one O(9), and one F(2) atom to form MnO5F octahedra that share corners with two equivalent Mn(3)O4F2 octahedra, corners with two equivalent Mn(5)O5F octahedra, corners with two equivalent Mn(6)O6 octahedra,  an edgeedge with one Mg(1)O4F2 octahedra,  an edgeedge with one Mn(2)O4F2 octahedra, and  an edgeedge with one Mn(7)O5F octahedra. The corner-sharing octahedral tilt angles range from 42-57°. There are thirteen inequivalent O sites. In the first O site, O(1) is bonded in a distorted rectangular see-saw-like geometry to one Mg(1), one Mn(1), one Mn(3), and one Mn(5) atom. In the second O site, O(2) is bonded in a trigonal planar geometry to one Mn(1), one Mn(2), and one Mn(5) atom. In the third O site, O(3) is bonded in a 3-coordinate geometry to one Mn(1), one Mn(6), and one Mn(7) atom. In the fourth O site, O(4) is bonded in a trigonal planar geometry to one Mn(2), one Mn(5), and one Mn(8) atom. In the fifth O site, O(5) is bonded in a 4-coordinate geometry to one Mg(1), one Mn(2), one Mn(4), and one Mn(6) atom. In the sixth O site, O(6) is bonded to one Mg(1), one Mn(4), one Mn(5), and one Mn(8) atom to form distorted OMgMn3 trigonal pyramids that share  a cornercorner with one O(10)MgMn3 trigonal pyramid and  an edgeedge with one F(1)MgMn3 trigonal pyramid. In the seventh O site, O(7) is bonded in a trigonal planar geometry to one Mn(1), one Mn(3), and one Mn(6) atom. In the eighth O site, O(8) is bonded in a trigonal planar geometry to one Mn(4), one Mn(5), and one Mn(7) atom. In the ninth O site, O(9) is bonded in a distorted trigonal planar geometry to one Mn(4), one Mn(6), and one Mn(8) atom. In the tenth O site, O(10) is bonded to one Mg(1), one Mn(2), one Mn(3), and one Mn(6) atom to form distorted OMgMn3 trigonal pyramids that share  a cornercorner with one O(6)MgMn3 trigonal pyramid and corners with two equivalent F(1)MgMn3 trigonal pyramids. In the eleventh O site, O(11) is bonded in a trigonal planar geometry to one Mn(1), one Mn(4), and one Mn(7) atom. In the twelfth O site, O(12) is bonded in a distorted trigonal planar geometry to one Mn(6), one Mn(7), and one Mn(8) atom. In the thirteenth O site, O(13) is bonded in a trigonal planar geometry to one Mn(3), one Mn(7), and one Mn(8) atom. There are three inequivalent F sites. In the first F site, F(1) is bonded to one Mg(1), one Mn(1), one Mn(2), and one Mn(4) atom to form FMgMn3 trigonal pyramids that share corners with two equivalent O(10)MgMn3 trigonal pyramids and  an edgeedge with one O(6)MgMn3 trigonal pyramid. In the second F site, F(2) is bonded in a 4-coordinate geometry to one Mg(1), one Mn(2), one Mn(3), and one Mn(8) atom. In the third F site, F(3) is bonded in a distorted trigonal planar geometry to one Mn(3), one Mn(5), and one Mn(7) atom.
MgMn8O13F3 crystallizes in the triclinic P1 space group. Mg(1) is bonded to one O(1), one O(10), one O(5), one O(6), one F(1), and one F(2) atom to form MgO4F2 octahedra that share corners with two equivalent Mn(5)O5F octahedra, corners with two equivalent Mn(6)O6 octahedra,  an edgeedge with one Mn(1)O5F octahedra,  an edgeedge with one Mn(8)O5F octahedra, edges with two equivalent Mn(2)O4F2 octahedra, and  a faceface with one Mn(3)O4F2 octahedra. The corner-sharing octahedral tilt angles range from 44-57°. The Mg(1)-O(1) bond length is 2.08 Å. The Mg(1)-O(10) bond length is 2.00 Å. The Mg(1)-O(5) bond length is 1.98 Å. The Mg(1)-O(6) bond length is 2.03 Å. The Mg(1)-F(1) bond length is 2.04 Å. The Mg(1)-F(2) bond length is 2.02 Å. There are eight inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one O(1), one O(11), one O(2), one O(3), one O(7), and one F(1) atom to form MnO5F octahedra that share corners with two equivalent Mn(3)O4F2 octahedra, corners with two equivalent Mn(5)O5F octahedra, corners with two equivalent Mn(6)O6 octahedra,  an edgeedge with one Mg(1)O4F2 octahedra,  an edgeedge with one Mn(2)O4F2 octahedra, and  an edgeedge with one Mn(7)O5F octahedra. The corner-sharing octahedral tilt angles range from 41-60°. The Mn(1)-O(1) bond length is 1.98 Å. The Mn(1)-O(11) bond length is 1.87 Å. The Mn(1)-O(2) bond length is 1.97 Å. The Mn(1)-O(3) bond length is 1.91 Å. The Mn(1)-O(7) bond length is 1.96 Å. The Mn(1)-F(1) bond length is 2.08 Å. In the second Mn site, Mn(2) is bonded to one O(10), one O(2), one O(4), one O(5), one F(1), and one F(2) atom to form MnO4F2 octahedra that share corners with two equivalent Mn(3)O4F2 octahedra, corners with two equivalent Mn(5)O5F octahedra, corners with two equivalent Mn(6)O6 octahedra,  an edgeedge with one Mn(1)O5F octahedra,  an edgeedge with one Mn(8)O5F octahedra, and edges with two equivalent Mg(1)O4F2 octahedra. The corner-sharing octahedral tilt angles range from 49-54°. The Mn(2)-O(10) bond length is 2.13 Å. The Mn(2)-O(2) bond length is 1.97 Å. The Mn(2)-O(4) bond length is 1.92 Å. The Mn(2)-O(5) bond length is 1.94 Å. The Mn(2)-F(1) bond length is 2.20 Å. The Mn(2)-F(2) bond length is 2.12 Å. In the third Mn site, Mn(3) is bonded to one O(1), one O(10), one O(13), one O(7), one F(2), and one F(3) atom to form distorted MnO4F2 octahedra that share corners with two equivalent Mn(2)O4F2 octahedra, corners with two equivalent Mn(1)O5F octahedra, corners with two equivalent Mn(7)O5F octahedra, corners with two equivalent Mn(8)O5F octahedra,  an edgeedge with one Mn(5)O5F octahedra,  an edgeedge with one Mn(6)O6 octahedra, and  a faceface with one Mg(1)O4F2 octahedra. The corner-sharing octahedral tilt angles range from 41-57°. The Mn(3)-O(1) bond length is 1.97 Å. The Mn(3)-O(10) bond length is 2.01 Å. The Mn(3)-O(13) bond length is 1.93 Å. The Mn(3)-O(7) bond length is 1.92 Å. The Mn(3)-F(2) bond length is 2.47 Å. The Mn(3)-F(3) bond length is 2.20 Å. In the fourth Mn site, Mn(4) is bonded in a 6-coordinate geometry to one O(11), one O(5), one O(6), one O(8), one O(9), and one F(1) atom. The Mn(4)-O(11) bond length is 2.01 Å. The Mn(4)-O(5) bond length is 2.49 Å. The Mn(4)-O(6) bond length is 2.02 Å. The Mn(4)-O(8) bond length is 1.94 Å. The Mn(4)-O(9) bond length is 1.85 Å. The Mn(4)-F(1) bond length is 2.18 Å. In the fifth Mn site, Mn(5) is bonded to one O(1), one O(2), one O(4), one O(6), one O(8), and one F(3) atom to form distorted MnO5F octahedra that share corners with two equivalent Mg(1)O4F2 octahedra, corners with two equivalent Mn(2)O4F2 octahedra, corners with two equivalent Mn(1)O5F octahedra, corners with two equivalent Mn(7)O5F octahedra, corners with two equivalent Mn(8)O5F octahedra, and  an edgeedge with one Mn(3)O4F2 octahedra. The corner-sharing octahedral tilt angles range from 49-60°. The Mn(5)-O(1) bond length is 2.49 Å. The Mn(5)-O(2) bond length is 1.97 Å. The Mn(5)-O(4) bond length is 2.27 Å. The Mn(5)-O(6) bond length is 2.05 Å. The Mn(5)-O(8) bond length is 1.91 Å. The Mn(5)-F(3) bond length is 2.02 Å. In the sixth Mn site, Mn(6) is bonded to one O(10), one O(12), one O(3), one O(5), one O(7), and one O(9) atom to form MnO6 octahedra that share corners with two equivalent Mg(1)O4F2 octahedra, corners with two equivalent Mn(2)O4F2 octahedra, corners with two equivalent Mn(1)O5F octahedra, corners with two equivalent Mn(7)O5F octahedra, corners with two equivalent Mn(8)O5F octahedra, and  an edgeedge with one Mn(3)O4F2 octahedra. The corner-sharing octahedral tilt angles range from 43-54°. The Mn(6)-O(10) bond length is 1.94 Å. The Mn(6)-O(12) bond length is 2.04 Å. The Mn(6)-O(3) bond length is 2.48 Å. The Mn(6)-O(5) bond length is 1.91 Å. The Mn(6)-O(7) bond length is 2.00 Å. The Mn(6)-O(9) bond length is 2.36 Å. In the seventh Mn site, Mn(7) is bonded to one O(11), one O(12), one O(13), one O(3), one O(8), and one F(3) atom to form MnO5F octahedra that share corners with two equivalent Mn(3)O4F2 octahedra, corners with two equivalent Mn(5)O5F octahedra, corners with two equivalent Mn(6)O6 octahedra,  an edgeedge with one Mn(1)O5F octahedra, and  an edgeedge with one Mn(8)O5F octahedra. The corner-sharing octahedral tilt angles range from 49-55°. The Mn(7)-O(11) bond length is 1.89 Å. The Mn(7)-O(12) bond length is 1.99 Å. The Mn(7)-O(13) bond length is 1.94 Å. The Mn(7)-O(3) bond length is 1.89 Å. The Mn(7)-O(8) bond length is 1.90 Å. The Mn(7)-F(3) bond length is 2.03 Å. In the eighth Mn site, Mn(8) is bonded to one O(12), one O(13), one O(4), one O(6), one O(9), and one F(2) atom to form MnO5F octahedra that share corners with two equivalent Mn(3)O4F2 octahedra, corners with two equivalent Mn(5)O5F octahedra, corners with two equivalent Mn(6)O6 octahedra,  an edgeedge with one Mg(1)O4F2 octahedra,  an edgeedge with one Mn(2)O4F2 octahedra, and  an edgeedge with one Mn(7)O5F octahedra. The corner-sharing octahedral tilt angles range from 42-57°. The Mn(8)-O(12) bond length is 1.94 Å. The Mn(8)-O(13) bond length is 1.86 Å. The Mn(8)-O(4) bond length is 1.92 Å. The Mn(8)-O(6) bond length is 2.19 Å. The Mn(8)-O(9) bond length is 1.93 Å. The Mn(8)-F(2) bond length is 2.03 Å. There are thirteen inequivalent O sites. In the first O site, O(1) is bonded in a distorted rectangular see-saw-like geometry to one Mg(1), one Mn(1), one Mn(3), and one Mn(5) atom. In the second O site, O(2) is bonded in a trigonal planar geometry to one Mn(1), one Mn(2), and one Mn(5) atom. In the third O site, O(3) is bonded in a 3-coordinate geometry to one Mn(1), one Mn(6), and one Mn(7) atom. In the fourth O site, O(4) is bonded in a trigonal planar geometry to one Mn(2), one Mn(5), and one Mn(8) atom. In the fifth O site, O(5) is bonded in a 4-coordinate geometry to one Mg(1), one Mn(2), one Mn(4), and one Mn(6) atom. In the sixth O site, O(6) is bonded to one Mg(1), one Mn(4), one Mn(5), and one Mn(8) atom to form distorted OMgMn3 trigonal pyramids that share  a cornercorner with one O(10)MgMn3 trigonal pyramid and  an edgeedge with one F(1)MgMn3 trigonal pyramid. In the seventh O site, O(7) is bonded in a trigonal planar geometry to one Mn(1), one Mn(3), and one Mn(6) atom. In the eighth O site, O(8) is bonded in a trigonal planar geometry to one Mn(4), one Mn(5), and one Mn(7) atom. In the ninth O site, O(9) is bonded in a distorted trigonal planar geometry to one Mn(4), one Mn(6), and one Mn(8) atom. In the tenth O site, O(10) is bonded to one Mg(1), one Mn(2), one Mn(3), and one Mn(6) atom to form distorted OMgMn3 trigonal pyramids that share  a cornercorner with one O(6)MgMn3 trigonal pyramid and corners with two equivalent F(1)MgMn3 trigonal pyramids. In the eleventh O site, O(11) is bonded in a trigonal planar geometry to one Mn(1), one Mn(4), and one Mn(7) atom. In the twelfth O site, O(12) is bonded in a distorted trigonal planar geometry to one Mn(6), one Mn(7), and one Mn(8) atom. In the thirteenth O site, O(13) is bonded in a trigonal planar geometry to one Mn(3), one Mn(7), and one Mn(8) atom. There are three inequivalent F sites. In the first F site, F(1) is bonded to one Mg(1), one Mn(1), one Mn(2), and one Mn(4) atom to form FMgMn3 trigonal pyramids that share corners with two equivalent O(10)MgMn3 trigonal pyramids and  an edgeedge with one O(6)MgMn3 trigonal pyramid. In the second F site, F(2) is bonded in a 4-coordinate geometry to one Mg(1), one Mn(2), one Mn(3), and one Mn(8) atom. In the third F site, F(3) is bonded in a distorted trigonal planar geometry to one Mn(3), one Mn(5), and one Mn(7) atom.