Mn6OF11 crystallizes in the monoclinic P2 space group. There are eight inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to two equivalent O(1) and two equivalent F(10) atoms to form distorted corner-sharing MnO2F2 tetrahedra. In the second Mn site, Mn(2) is bonded in a 7-coordinate geometry to one F(1), one F(10), one F(11), one F(3), one F(4), one F(6), and one F(8) atom. In the third Mn site, Mn(3) is bonded in a distorted body-centered cubic geometry to one F(1), one F(11), one F(2), one F(4), one F(5), one F(7), one F(8), and one F(9) atom. In the fourth Mn site, Mn(4) is bonded in a body-centered cubic geometry to two equivalent F(2), two equivalent F(5), two equivalent F(7), and two equivalent F(9) atoms. In the fifth Mn site, Mn(5) is bonded in a 8-coordinate geometry to one O(1), one F(1), one F(10), one F(11), one F(3), one F(4), one F(6), and one F(8) atom. In the sixth Mn site, Mn(6) is bonded to two equivalent O(1), two equivalent F(3), and two equivalent F(6) atoms to form distorted corner-sharing MnO2F4 pentagonal pyramids. In the seventh Mn site, Mn(7) is bonded in a 8-coordinate geometry to one F(1), one F(11), one F(2), one F(4), one F(5), one F(7), one F(8), and one F(9) atom. In the eighth Mn site, Mn(8) is bonded in a body-centered cubic geometry to two equivalent F(2), two equivalent F(5), two equivalent F(7), and two equivalent F(9) atoms. O(1) is bonded in a distorted trigonal non-coplanar geometry to one Mn(1), one Mn(5), and one Mn(6) atom. There are eleven inequivalent F sites. In the first F site, F(1) is bonded to one Mn(2), one Mn(3), one Mn(5), and one Mn(7) atom to form a mixture of distorted corner and edge-sharing FMn4 tetrahedra. In the second F site, F(2) is bonded to one Mn(3), one Mn(4), one Mn(7), and one Mn(8) atom to form a mixture of corner and edge-sharing FMn4 tetrahedra. In the third F site, F(3) is bonded in a distorted trigonal planar geometry to one Mn(2), one Mn(5), and one Mn(6) atom. In the fourth F site, F(4) is bonded to one Mn(2), one Mn(3), one Mn(5), and one Mn(7) atom to form a mixture of distorted corner and edge-sharing FMn4 tetrahedra. In the fifth F site, F(5) is bonded to one Mn(3), one Mn(4), one Mn(7), and one Mn(8) atom to form a mixture of distorted corner and edge-sharing FMn4 tetrahedra. In the sixth F site, F(6) is bonded in a 3-coordinate geometry to one Mn(2), one Mn(5), and one Mn(6) atom. In the seventh F site, F(7) is bonded to one Mn(3), one Mn(4), one Mn(7), and one Mn(8) atom to form a mixture of corner and edge-sharing FMn4 tetrahedra. In the eighth F site, F(8) is bonded to one Mn(2), one Mn(3), one Mn(5), and one Mn(7) atom to form a mixture of distorted corner and edge-sharing FMn4 tetrahedra. In the ninth F site, F(9) is bonded to one Mn(3), one Mn(4), one Mn(7), and one Mn(8) atom to form a mixture of distorted corner and edge-sharing FMn4 tetrahedra. In the tenth F site, F(10) is bonded in a trigonal planar geometry to one Mn(1), one Mn(2), and one Mn(5) atom. In the eleventh F site, F(11) is bonded in a 3-coordinate geometry to one Mn(2), one Mn(3), one Mn(5), and one Mn(7) atom.
Mn6OF11 crystallizes in the monoclinic P2 space group. There are eight inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to two equivalent O(1) and two equivalent F(10) atoms to form distorted corner-sharing MnO2F2 tetrahedra. Both Mn(1)-O(1) bond lengths are 1.89 Å. Both Mn(1)-F(10) bond lengths are 2.03 Å. In the second Mn site, Mn(2) is bonded in a 7-coordinate geometry to one F(1), one F(10), one F(11), one F(3), one F(4), one F(6), and one F(8) atom. The Mn(2)-F(1) bond length is 2.41 Å. The Mn(2)-F(10) bond length is 2.26 Å. The Mn(2)-F(11) bond length is 2.22 Å. The Mn(2)-F(3) bond length is 2.19 Å. The Mn(2)-F(4) bond length is 2.19 Å. The Mn(2)-F(6) bond length is 2.22 Å. The Mn(2)-F(8) bond length is 2.21 Å. In the third Mn site, Mn(3) is bonded in a distorted body-centered cubic geometry to one F(1), one F(11), one F(2), one F(4), one F(5), one F(7), one F(8), and one F(9) atom. The Mn(3)-F(1) bond length is 2.10 Å. The Mn(3)-F(11) bond length is 2.14 Å. The Mn(3)-F(2) bond length is 2.14 Å. The Mn(3)-F(4) bond length is 2.52 Å. The Mn(3)-F(5) bond length is 2.56 Å. The Mn(3)-F(7) bond length is 2.35 Å. The Mn(3)-F(8) bond length is 2.48 Å. The Mn(3)-F(9) bond length is 2.14 Å. In the fourth Mn site, Mn(4) is bonded in a body-centered cubic geometry to two equivalent F(2), two equivalent F(5), two equivalent F(7), and two equivalent F(9) atoms. Both Mn(4)-F(2) bond lengths are 2.40 Å. Both Mn(4)-F(5) bond lengths are 2.19 Å. Both Mn(4)-F(7) bond lengths are 2.38 Å. Both Mn(4)-F(9) bond lengths are 2.19 Å. In the fifth Mn site, Mn(5) is bonded in a 8-coordinate geometry to one O(1), one F(1), one F(10), one F(11), one F(3), one F(4), one F(6), and one F(8) atom. The Mn(5)-O(1) bond length is 2.19 Å. The Mn(5)-F(1) bond length is 2.47 Å. The Mn(5)-F(10) bond length is 2.25 Å. The Mn(5)-F(11) bond length is 2.19 Å. The Mn(5)-F(3) bond length is 2.17 Å. The Mn(5)-F(4) bond length is 2.22 Å. The Mn(5)-F(6) bond length is 2.47 Å. The Mn(5)-F(8) bond length is 2.42 Å. In the sixth Mn site, Mn(6) is bonded to two equivalent O(1), two equivalent F(3), and two equivalent F(6) atoms to form distorted corner-sharing MnO2F4 pentagonal pyramids. Both Mn(6)-O(1) bond lengths are 2.03 Å. Both Mn(6)-F(3) bond lengths are 2.15 Å. Both Mn(6)-F(6) bond lengths are 1.99 Å. In the seventh Mn site, Mn(7) is bonded in a 8-coordinate geometry to one F(1), one F(11), one F(2), one F(4), one F(5), one F(7), one F(8), and one F(9) atom. The Mn(7)-F(1) bond length is 2.23 Å. The Mn(7)-F(11) bond length is 2.67 Å. The Mn(7)-F(2) bond length is 2.25 Å. The Mn(7)-F(4) bond length is 2.23 Å. The Mn(7)-F(5) bond length is 2.21 Å. The Mn(7)-F(7) bond length is 2.17 Å. The Mn(7)-F(8) bond length is 2.12 Å. The Mn(7)-F(9) bond length is 2.56 Å. In the eighth Mn site, Mn(8) is bonded in a body-centered cubic geometry to two equivalent F(2), two equivalent F(5), two equivalent F(7), and two equivalent F(9) atoms. Both Mn(8)-F(2) bond lengths are 2.35 Å. Both Mn(8)-F(5) bond lengths are 2.22 Å. Both Mn(8)-F(7) bond lengths are 2.28 Å. Both Mn(8)-F(9) bond lengths are 2.29 Å. O(1) is bonded in a distorted trigonal non-coplanar geometry to one Mn(1), one Mn(5), and one Mn(6) atom. There are eleven inequivalent F sites. In the first F site, F(1) is bonded to one Mn(2), one Mn(3), one Mn(5), and one Mn(7) atom to form a mixture of distorted corner and edge-sharing FMn4 tetrahedra. In the second F site, F(2) is bonded to one Mn(3), one Mn(4), one Mn(7), and one Mn(8) atom to form a mixture of corner and edge-sharing FMn4 tetrahedra. In the third F site, F(3) is bonded in a distorted trigonal planar geometry to one Mn(2), one Mn(5), and one Mn(6) atom. In the fourth F site, F(4) is bonded to one Mn(2), one Mn(3), one Mn(5), and one Mn(7) atom to form a mixture of distorted corner and edge-sharing FMn4 tetrahedra. In the fifth F site, F(5) is bonded to one Mn(3), one Mn(4), one Mn(7), and one Mn(8) atom to form a mixture of distorted corner and edge-sharing FMn4 tetrahedra. In the sixth F site, F(6) is bonded in a 3-coordinate geometry to one Mn(2), one Mn(5), and one Mn(6) atom. In the seventh F site, F(7) is bonded to one Mn(3), one Mn(4), one Mn(7), and one Mn(8) atom to form a mixture of corner and edge-sharing FMn4 tetrahedra. In the eighth F site, F(8) is bonded to one Mn(2), one Mn(3), one Mn(5), and one Mn(7) atom to form a mixture of distorted corner and edge-sharing FMn4 tetrahedra. In the ninth F site, F(9) is bonded to one Mn(3), one Mn(4), one Mn(7), and one Mn(8) atom to form a mixture of distorted corner and edge-sharing FMn4 tetrahedra. In the tenth F site, F(10) is bonded in a trigonal planar geometry to one Mn(1), one Mn(2), and one Mn(5) atom. In the eleventh F site, F(11) is bonded in a 3-coordinate geometry to one Mn(2), one Mn(3), one Mn(5), and one Mn(7) atom.