Mn6OF11 is Hydrophilite-derived structured and crystallizes in the monoclinic P2_1 space group. There are six inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one F(1), one F(2), one F(4), one F(9), and two equivalent F(8) atoms to form a mixture of edge and corner-sharing MnF6 octahedra. The corner-sharing octahedral tilt angles range from 53-55°. In the second Mn site, Mn(2) is bonded to one F(1), one F(10), one F(3), one F(5), one F(7), and one F(9) atom to form MnF6 octahedra that share corners with two equivalent Mn(5)F6 octahedra, corners with two equivalent Mn(6)OF5 octahedra, corners with four equivalent Mn(4)F6 octahedra,  an edgeedge with one Mn(1)F6 octahedra, and  an edgeedge with one Mn(3)O2F4 octahedra. The corner-sharing octahedral tilt angles range from 49-58°. In the third Mn site, Mn(3) is bonded to two equivalent O(1), one F(10), one F(11), one F(3), and one F(6) atom to form MnO2F4 octahedra that share corners with two equivalent Mn(4)F6 octahedra, corners with two equivalent Mn(3)O2F4 octahedra, corners with four equivalent Mn(6)OF5 octahedra,  an edgeedge with one Mn(2)F6 octahedra, and  an edgeedge with one Mn(6)OF5 octahedra. The corner-sharing octahedral tilt angles range from 45-59°. In the fourth Mn site, Mn(4) is bonded to one F(1), one F(10), one F(2), one F(5), one F(6), and one F(7) atom to form MnF6 octahedra that share corners with two equivalent Mn(1)F6 octahedra, corners with two equivalent Mn(3)O2F4 octahedra, corners with four equivalent Mn(2)F6 octahedra,  an edgeedge with one Mn(5)F6 octahedra, and  an edgeedge with one Mn(6)OF5 octahedra. The corner-sharing octahedral tilt angles range from 49-58°. In the fifth Mn site, Mn(5) is bonded to one F(2), one F(7), one F(8), one F(9), and two equivalent F(4) atoms to form a mixture of edge and corner-sharing MnF6 octahedra. The corner-sharing octahedral tilt angles range from 53-55°. In the sixth Mn site, Mn(6) is bonded to one O(1), one F(3), one F(5), one F(6), and two equivalent F(11) atoms to form MnOF5 octahedra that share corners with two equivalent Mn(2)F6 octahedra, corners with two equivalent Mn(6)OF5 octahedra, corners with four equivalent Mn(3)O2F4 octahedra,  an edgeedge with one Mn(4)F6 octahedra, and  an edgeedge with one Mn(3)O2F4 octahedra. The corner-sharing octahedral tilt angles range from 45-59°. O(1) is bonded in a trigonal planar geometry to one Mn(6) and two equivalent Mn(3) atoms. There are eleven inequivalent F sites. In the first F site, F(1) is bonded in a trigonal planar geometry to one Mn(1), one Mn(2), and one Mn(4) atom. In the second F site, F(2) is bonded in a trigonal planar geometry to one Mn(1), one Mn(4), and one Mn(5) atom. In the third F site, F(3) is bonded in a trigonal planar geometry to one Mn(2), one Mn(3), and one Mn(6) atom. In the fourth F site, F(4) is bonded in a trigonal planar geometry to one Mn(1) and two equivalent Mn(5) atoms. In the fifth F site, F(5) is bonded in a distorted trigonal planar geometry to one Mn(2), one Mn(4), and one Mn(6) atom. In the sixth F site, F(6) is bonded in a trigonal planar geometry to one Mn(3), one Mn(4), and one Mn(6) atom. In the seventh F site, F(7) is bonded in a trigonal planar geometry to one Mn(2), one Mn(4), and one Mn(5) atom. In the eighth F site, F(8) is bonded in a trigonal planar geometry to one Mn(5) and two equivalent Mn(1) atoms. In the ninth F site, F(9) is bonded in a trigonal planar geometry to one Mn(1), one Mn(2), and one Mn(5) atom. In the tenth F site, F(10) is bonded in a trigonal planar geometry to one Mn(2), one Mn(3), and one Mn(4) atom. In the eleventh F site, F(11) is bonded in a distorted T-shaped geometry to one Mn(3) and two equivalent Mn(6) atoms.
Mn6OF11 is Hydrophilite-derived structured and crystallizes in the monoclinic P2_1 space group. There are six inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one F(1), one F(2), one F(4), one F(9), and two equivalent F(8) atoms to form a mixture of edge and corner-sharing MnF6 octahedra. The corner-sharing octahedral tilt angles range from 53-55°. The Mn(1)-F(1) bond length is 2.17 Å. The Mn(1)-F(2) bond length is 2.11 Å. The Mn(1)-F(4) bond length is 2.19 Å. The Mn(1)-F(9) bond length is 2.20 Å. There is one shorter (2.11 Å) and one longer (2.15 Å) Mn(1)-F(8) bond length. In the second Mn site, Mn(2) is bonded to one F(1), one F(10), one F(3), one F(5), one F(7), and one F(9) atom to form MnF6 octahedra that share corners with two equivalent Mn(5)F6 octahedra, corners with two equivalent Mn(6)OF5 octahedra, corners with four equivalent Mn(4)F6 octahedra,  an edgeedge with one Mn(1)F6 octahedra, and  an edgeedge with one Mn(3)O2F4 octahedra. The corner-sharing octahedral tilt angles range from 49-58°. The Mn(2)-F(1) bond length is 2.18 Å. The Mn(2)-F(10) bond length is 2.22 Å. The Mn(2)-F(3) bond length is 2.16 Å. The Mn(2)-F(5) bond length is 2.11 Å. The Mn(2)-F(7) bond length is 2.11 Å. The Mn(2)-F(9) bond length is 2.18 Å. In the third Mn site, Mn(3) is bonded to two equivalent O(1), one F(10), one F(11), one F(3), and one F(6) atom to form MnO2F4 octahedra that share corners with two equivalent Mn(4)F6 octahedra, corners with two equivalent Mn(3)O2F4 octahedra, corners with four equivalent Mn(6)OF5 octahedra,  an edgeedge with one Mn(2)F6 octahedra, and  an edgeedge with one Mn(6)OF5 octahedra. The corner-sharing octahedral tilt angles range from 45-59°. There is one shorter (1.95 Å) and one longer (1.96 Å) Mn(3)-O(1) bond length. The Mn(3)-F(10) bond length is 2.10 Å. The Mn(3)-F(11) bond length is 2.21 Å. The Mn(3)-F(3) bond length is 2.23 Å. The Mn(3)-F(6) bond length is 2.15 Å. In the fourth Mn site, Mn(4) is bonded to one F(1), one F(10), one F(2), one F(5), one F(6), and one F(7) atom to form MnF6 octahedra that share corners with two equivalent Mn(1)F6 octahedra, corners with two equivalent Mn(3)O2F4 octahedra, corners with four equivalent Mn(2)F6 octahedra,  an edgeedge with one Mn(5)F6 octahedra, and  an edgeedge with one Mn(6)OF5 octahedra. The corner-sharing octahedral tilt angles range from 49-58°. The Mn(4)-F(1) bond length is 2.10 Å. The Mn(4)-F(10) bond length is 2.15 Å. The Mn(4)-F(2) bond length is 2.15 Å. The Mn(4)-F(5) bond length is 2.18 Å. The Mn(4)-F(6) bond length is 2.15 Å. The Mn(4)-F(7) bond length is 2.22 Å. In the fifth Mn site, Mn(5) is bonded to one F(2), one F(7), one F(8), one F(9), and two equivalent F(4) atoms to form a mixture of edge and corner-sharing MnF6 octahedra. The corner-sharing octahedral tilt angles range from 53-55°. The Mn(5)-F(2) bond length is 2.20 Å. The Mn(5)-F(7) bond length is 2.15 Å. The Mn(5)-F(8) bond length is 2.20 Å. The Mn(5)-F(9) bond length is 2.12 Å. There is one shorter (2.12 Å) and one longer (2.16 Å) Mn(5)-F(4) bond length. In the sixth Mn site, Mn(6) is bonded to one O(1), one F(3), one F(5), one F(6), and two equivalent F(11) atoms to form MnOF5 octahedra that share corners with two equivalent Mn(2)F6 octahedra, corners with two equivalent Mn(6)OF5 octahedra, corners with four equivalent Mn(3)O2F4 octahedra,  an edgeedge with one Mn(4)F6 octahedra, and  an edgeedge with one Mn(3)O2F4 octahedra. The corner-sharing octahedral tilt angles range from 45-59°. The Mn(6)-O(1) bond length is 2.09 Å. The Mn(6)-F(3) bond length is 2.19 Å. The Mn(6)-F(5) bond length is 2.12 Å. The Mn(6)-F(6) bond length is 2.17 Å. There is one shorter (2.07 Å) and one longer (2.10 Å) Mn(6)-F(11) bond length. O(1) is bonded in a trigonal planar geometry to one Mn(6) and two equivalent Mn(3) atoms. There are eleven inequivalent F sites. In the first F site, F(1) is bonded in a trigonal planar geometry to one Mn(1), one Mn(2), and one Mn(4) atom. In the second F site, F(2) is bonded in a trigonal planar geometry to one Mn(1), one Mn(4), and one Mn(5) atom. In the third F site, F(3) is bonded in a trigonal planar geometry to one Mn(2), one Mn(3), and one Mn(6) atom. In the fourth F site, F(4) is bonded in a trigonal planar geometry to one Mn(1) and two equivalent Mn(5) atoms. In the fifth F site, F(5) is bonded in a distorted trigonal planar geometry to one Mn(2), one Mn(4), and one Mn(6) atom. In the sixth F site, F(6) is bonded in a trigonal planar geometry to one Mn(3), one Mn(4), and one Mn(6) atom. In the seventh F site, F(7) is bonded in a trigonal planar geometry to one Mn(2), one Mn(4), and one Mn(5) atom. In the eighth F site, F(8) is bonded in a trigonal planar geometry to one Mn(5) and two equivalent Mn(1) atoms. In the ninth F site, F(9) is bonded in a trigonal planar geometry to one Mn(1), one Mn(2), and one Mn(5) atom. In the tenth F site, F(10) is bonded in a trigonal planar geometry to one Mn(2), one Mn(3), and one Mn(4) atom. In the eleventh F site, F(11) is bonded in a distorted T-shaped geometry to one Mn(3) and two equivalent Mn(6) atoms.