MgMn8O13F3 crystallizes in the triclinic P1 space group. Mg(1) is bonded to one O(11), one O(12), one O(4), one O(5), one O(8), and one F(1) atom to form distorted MgO5F octahedra that share corners with two equivalent Mn(1)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, edges with two equivalent Mn(4)O5F octahedra, and  a faceface with one Mn(7)O5F octahedra. The corner-sharing octahedral tilt angles range from 47-57°. 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 Mg(1)O5F octahedra, corners with two equivalent Mn(3)O4F2 octahedra, corners with two equivalent Mn(4)O5F octahedra, corners with two equivalent Mn(5)O5F octahedra, corners with two equivalent Mn(6)O6 octahedra, and  an edgeedge with one Mn(7)O5F octahedra. The corner-sharing octahedral tilt angles range from 44-59°. In the second Mn site, Mn(2) is bonded in a 6-coordinate geometry to one O(1), one O(10), one O(2), one O(4), one O(5), and one F(2) atom. 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 MnO4F2 octahedra that share 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, and  an edgeedge with one Mn(6)O6 octahedra. The corner-sharing octahedral tilt angles range from 50-56°. In the fourth Mn site, Mn(4) is bonded to one O(11), one O(5), one O(6), one O(8), one O(9), and one F(1) atom to form MnO5F octahedra that share 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 edges with two equivalent Mg(1)O5F octahedra. The corner-sharing octahedral tilt angles range from 43-54°. 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 MnO5F octahedra that share 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 Mg(1)O5F octahedra,  an edgeedge with one Mn(3)O4F2 octahedra, and  an edgeedge with one Mn(4)O5F octahedra. The corner-sharing octahedral tilt angles range from 42-60°. 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 Mn(1)O5F octahedra, corners with two equivalent Mn(7)O5F octahedra, corners with two equivalent Mn(8)O5F octahedra,  an edgeedge with one Mg(1)O5F octahedra,  an edgeedge with one Mn(3)O4F2 octahedra, and  an edgeedge with one Mn(4)O5F octahedra. The corner-sharing octahedral tilt angles range from 45-56°. 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(4)O5F 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  a faceface with one Mg(1)O5F octahedra. The corner-sharing octahedral tilt angles range from 42-56°. 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 distorted MnO5F octahedra that share corners with two equivalent Mg(1)O5F octahedra, corners with two equivalent Mn(3)O4F2 octahedra, corners with two equivalent Mn(4)O5F octahedra, corners with two equivalent Mn(5)O5F octahedra, corners with two equivalent Mn(6)O6 octahedra, and  an edgeedge with one Mn(7)O5F octahedra. The corner-sharing octahedral tilt angles range from 43-60°. There are thirteen inequivalent O sites. In the first O site, O(1) is bonded to one Mn(1), one Mn(2), one Mn(3), and one Mn(5) atom to form distorted corner-sharing OMn4 trigonal pyramids. 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 trigonal planar geometry to one Mn(1), one Mn(6), and one Mn(7) atom. In the fourth O site, O(4) is bonded in a 4-coordinate geometry to one Mg(1), one Mn(2), one Mn(5), and one Mn(8) atom. In the fifth O site, O(5) is bonded to one Mg(1), one Mn(2), one Mn(4), and one Mn(6) atom to form OMgMn3 trigonal pyramids that share  a cornercorner with one O(1)Mn4 trigonal pyramid and corners with two equivalent O(11)MgMn3 trigonal pyramids. In the sixth O site, O(6) is bonded in a 3-coordinate geometry to one Mn(4), one Mn(5), and one Mn(8) atom. In the seventh O site, O(7) is bonded in a distorted 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 rectangular see-saw-like geometry to one Mg(1), 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 in a distorted trigonal planar geometry to one Mn(2), one Mn(3), and one Mn(6) atom. In the eleventh O site, O(11) is bonded to one Mg(1), one Mn(1), one Mn(4), and one Mn(7) atom to form distorted OMgMn3 trigonal pyramids that share  a cornercorner with one O(1)Mn4 trigonal pyramid and corners with two equivalent O(5)MgMn3 trigonal pyramids. In the twelfth O site, O(12) is bonded in a rectangular see-saw-like geometry to one Mg(1), 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 in a distorted T-shaped geometry to one Mg(1), one Mn(1), and one Mn(4) atom. In the second F site, F(2) is bonded in a distorted trigonal planar geometry to 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(11), one O(12), one O(4), one O(5), one O(8), and one F(1) atom to form distorted MgO5F octahedra that share corners with two equivalent Mn(1)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, edges with two equivalent Mn(4)O5F octahedra, and  a faceface with one Mn(7)O5F octahedra. The corner-sharing octahedral tilt angles range from 47-57°. The Mg(1)-O(11) bond length is 2.00 Å. The Mg(1)-O(12) bond length is 2.18 Å. The Mg(1)-O(4) bond length is 1.98 Å. The Mg(1)-O(5) bond length is 2.00 Å. The Mg(1)-O(8) bond length is 2.08 Å. The Mg(1)-F(1) bond length is 1.91 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 Mg(1)O5F octahedra, corners with two equivalent Mn(3)O4F2 octahedra, corners with two equivalent Mn(4)O5F octahedra, corners with two equivalent Mn(5)O5F octahedra, corners with two equivalent Mn(6)O6 octahedra, and  an edgeedge with one Mn(7)O5F octahedra. The corner-sharing octahedral tilt angles range from 44-59°. The Mn(1)-O(1) bond length is 2.03 Å. The Mn(1)-O(11) bond length is 2.07 Å. The Mn(1)-O(2) bond length is 2.09 Å. The Mn(1)-O(3) bond length is 2.00 Å. The Mn(1)-O(7) bond length is 2.15 Å. The Mn(1)-F(1) bond length is 2.10 Å. In the second Mn site, Mn(2) is bonded in a 6-coordinate geometry to one O(1), one O(10), one O(2), one O(4), one O(5), and one F(2) atom. The Mn(2)-O(1) bond length is 2.39 Å. The Mn(2)-O(10) bond length is 1.86 Å. The Mn(2)-O(2) bond length is 1.94 Å. The Mn(2)-O(4) bond length is 2.40 Å. The Mn(2)-O(5) bond length is 1.91 Å. The Mn(2)-F(2) bond length is 2.44 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 MnO4F2 octahedra that share 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, and  an edgeedge with one Mn(6)O6 octahedra. The corner-sharing octahedral tilt angles range from 50-56°. The Mn(3)-O(1) bond length is 2.12 Å. The Mn(3)-O(10) bond length is 1.96 Å. The Mn(3)-O(13) bond length is 1.93 Å. The Mn(3)-O(7) bond length is 1.99 Å. The Mn(3)-F(2) bond length is 2.10 Å. The Mn(3)-F(3) bond length is 2.17 Å. In the fourth Mn site, Mn(4) is bonded to one O(11), one O(5), one O(6), one O(8), one O(9), and one F(1) atom to form MnO5F octahedra that share 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 edges with two equivalent Mg(1)O5F octahedra. The corner-sharing octahedral tilt angles range from 43-54°. The Mn(4)-O(11) bond length is 1.98 Å. The Mn(4)-O(5) bond length is 1.99 Å. The Mn(4)-O(6) bond length is 1.91 Å. The Mn(4)-O(8) bond length is 1.89 Å. The Mn(4)-O(9) bond length is 1.91 Å. The Mn(4)-F(1) bond length is 2.04 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 MnO5F octahedra that share 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 Mg(1)O5F octahedra,  an edgeedge with one Mn(3)O4F2 octahedra, and  an edgeedge with one Mn(4)O5F octahedra. The corner-sharing octahedral tilt angles range from 42-60°. The Mn(5)-O(1) bond length is 2.02 Å. The Mn(5)-O(2) bond length is 1.99 Å. The Mn(5)-O(4) bond length is 2.03 Å. The Mn(5)-O(6) bond length is 1.92 Å. The Mn(5)-O(8) bond length is 2.15 Å. The Mn(5)-F(3) bond length is 2.16 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 Mn(1)O5F octahedra, corners with two equivalent Mn(7)O5F octahedra, corners with two equivalent Mn(8)O5F octahedra,  an edgeedge with one Mg(1)O5F octahedra,  an edgeedge with one Mn(3)O4F2 octahedra, and  an edgeedge with one Mn(4)O5F octahedra. The corner-sharing octahedral tilt angles range from 45-56°. The Mn(6)-O(10) bond length is 1.86 Å. The Mn(6)-O(12) bond length is 2.12 Å. The Mn(6)-O(3) bond length is 2.03 Å. The Mn(6)-O(5) bond length is 1.93 Å. The Mn(6)-O(7) bond length is 1.94 Å. The Mn(6)-O(9) bond length is 1.99 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(4)O5F 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  a faceface with one Mg(1)O5F octahedra. The corner-sharing octahedral tilt angles range from 42-56°. The Mn(7)-O(11) bond length is 1.96 Å. The Mn(7)-O(12) bond length is 1.96 Å. The Mn(7)-O(13) bond length is 1.94 Å. The Mn(7)-O(3) bond length is 1.98 Å. The Mn(7)-O(8) bond length is 2.01 Å. The Mn(7)-F(3) bond length is 1.92 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 distorted MnO5F octahedra that share corners with two equivalent Mg(1)O5F octahedra, corners with two equivalent Mn(3)O4F2 octahedra, corners with two equivalent Mn(4)O5F octahedra, corners with two equivalent Mn(5)O5F octahedra, corners with two equivalent Mn(6)O6 octahedra, and  an edgeedge with one Mn(7)O5F octahedra. The corner-sharing octahedral tilt angles range from 43-60°. The Mn(8)-O(12) bond length is 2.19 Å. The Mn(8)-O(13) bond length is 1.94 Å. The Mn(8)-O(4) bond length is 1.95 Å. The Mn(8)-O(6) bond length is 2.56 Å. The Mn(8)-O(9) bond length is 2.03 Å. The Mn(8)-F(2) bond length is 1.94 Å. There are thirteen inequivalent O sites. In the first O site, O(1) is bonded to one Mn(1), one Mn(2), one Mn(3), and one Mn(5) atom to form distorted corner-sharing OMn4 trigonal pyramids. 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 trigonal planar geometry to one Mn(1), one Mn(6), and one Mn(7) atom. In the fourth O site, O(4) is bonded in a 4-coordinate geometry to one Mg(1), one Mn(2), one Mn(5), and one Mn(8) atom. In the fifth O site, O(5) is bonded to one Mg(1), one Mn(2), one Mn(4), and one Mn(6) atom to form OMgMn3 trigonal pyramids that share  a cornercorner with one O(1)Mn4 trigonal pyramid and corners with two equivalent O(11)MgMn3 trigonal pyramids. In the sixth O site, O(6) is bonded in a 3-coordinate geometry to one Mn(4), one Mn(5), and one Mn(8) atom. In the seventh O site, O(7) is bonded in a distorted 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 rectangular see-saw-like geometry to one Mg(1), 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 in a distorted trigonal planar geometry to one Mn(2), one Mn(3), and one Mn(6) atom. In the eleventh O site, O(11) is bonded to one Mg(1), one Mn(1), one Mn(4), and one Mn(7) atom to form distorted OMgMn3 trigonal pyramids that share  a cornercorner with one O(1)Mn4 trigonal pyramid and corners with two equivalent O(5)MgMn3 trigonal pyramids. In the twelfth O site, O(12) is bonded in a rectangular see-saw-like geometry to one Mg(1), 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 in a distorted T-shaped geometry to one Mg(1), one Mn(1), and one Mn(4) atom. In the second F site, F(2) is bonded in a distorted trigonal planar geometry to 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.