Mn2OF3 is Hydrophilite-derived structured and crystallizes in the monoclinic C2/m space group. There are five inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one O(2), one F(3), two equivalent F(1), and two equivalent F(5) atoms to form MnOF5 octahedra that share  a cornercorner with one Mn(4)O2F4 octahedra, corners with three equivalent Mn(5)O2F4 octahedra, corners with four equivalent Mn(3)OF5 octahedra,  an edgeedge with one Mn(2)O2F4 octahedra, and  an edgeedge with one Mn(1)OF5 octahedra. The corner-sharing octahedral tilt angles range from 48-61°. In the second Mn site, Mn(2) is bonded to two equivalent O(1), one F(2), one F(4), and two equivalent F(1) atoms to form MnO2F4 octahedra that share  a cornercorner with one Mn(5)O2F4 octahedra, corners with three equivalent Mn(4)O2F4 octahedra, corners with four equivalent Mn(3)OF5 octahedra,  an edgeedge with one Mn(2)O2F4 octahedra, and  an edgeedge with one Mn(1)OF5 octahedra. The corner-sharing octahedral tilt angles range from 42-54°. In the third Mn site, Mn(3) is bonded to one O(2), one F(2), one F(3), one F(4), and two equivalent F(1) atoms to form MnOF5 octahedra that share corners with four equivalent Mn(2)O2F4 octahedra, corners with four equivalent Mn(1)OF5 octahedra,  an edgeedge with one Mn(4)O2F4 octahedra, and  an edgeedge with one Mn(5)O2F4 octahedra. The corner-sharing octahedral tilt angles range from 44-61°. In the fourth Mn site, Mn(4) is bonded to two equivalent O(1), two equivalent F(2), and two equivalent F(3) atoms to form MnO2F4 octahedra that share corners with two equivalent Mn(1)OF5 octahedra, corners with six equivalent Mn(2)O2F4 octahedra, and edges with two equivalent Mn(3)OF5 octahedra. The corner-sharing octahedral tilt angles range from 48-52°. In the fifth Mn site, Mn(5) is bonded to two equivalent O(2), two equivalent F(4), and two equivalent F(5) atoms to form MnO2F4 octahedra that share corners with two equivalent Mn(2)O2F4 octahedra, corners with six equivalent Mn(1)OF5 octahedra, and edges with two equivalent Mn(3)OF5 octahedra. The corner-sharing octahedral tilt angles range from 42-52°. There are two inequivalent O sites. In the first O site, O(1) is bonded in a distorted trigonal planar geometry to one Mn(4) and two equivalent Mn(2) atoms. In the second O site, O(2) is bonded in a trigonal planar geometry to one Mn(1), one Mn(3), and one Mn(5) atom. There are five inequivalent F sites. In the first F site, F(5) is bonded in a trigonal planar geometry to one Mn(5) and two equivalent Mn(1) atoms. In the second F site, F(1) is bonded in a trigonal planar geometry to one Mn(1), one Mn(2), and one Mn(3) atom. In the third F site, F(2) is bonded in a trigonal planar geometry to one Mn(2), one Mn(3), and one Mn(4) atom. In the fourth F site, F(3) is bonded in a distorted trigonal planar geometry to one Mn(1), one Mn(3), and one Mn(4) atom. In the fifth F site, F(4) is bonded in a distorted trigonal planar geometry to one Mn(2), one Mn(3), and one Mn(5) atom.
Mn2OF3 is Hydrophilite-derived structured and crystallizes in the monoclinic C2/m space group. There are five inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one O(2), one F(3), two equivalent F(1), and two equivalent F(5) atoms to form MnOF5 octahedra that share  a cornercorner with one Mn(4)O2F4 octahedra, corners with three equivalent Mn(5)O2F4 octahedra, corners with four equivalent Mn(3)OF5 octahedra,  an edgeedge with one Mn(2)O2F4 octahedra, and  an edgeedge with one Mn(1)OF5 octahedra. The corner-sharing octahedral tilt angles range from 48-61°. The Mn(1)-O(2) bond length is 2.02 Å. The Mn(1)-F(3) bond length is 2.17 Å. Both Mn(1)-F(1) bond lengths are 2.17 Å. Both Mn(1)-F(5) bond lengths are 2.14 Å. In the second Mn site, Mn(2) is bonded to two equivalent O(1), one F(2), one F(4), and two equivalent F(1) atoms to form MnO2F4 octahedra that share  a cornercorner with one Mn(5)O2F4 octahedra, corners with three equivalent Mn(4)O2F4 octahedra, corners with four equivalent Mn(3)OF5 octahedra,  an edgeedge with one Mn(2)O2F4 octahedra, and  an edgeedge with one Mn(1)OF5 octahedra. The corner-sharing octahedral tilt angles range from 42-54°. Both Mn(2)-O(1) bond lengths are 1.92 Å. The Mn(2)-F(2) bond length is 2.18 Å. The Mn(2)-F(4) bond length is 2.17 Å. Both Mn(2)-F(1) bond lengths are 2.04 Å. In the third Mn site, Mn(3) is bonded to one O(2), one F(2), one F(3), one F(4), and two equivalent F(1) atoms to form MnOF5 octahedra that share corners with four equivalent Mn(2)O2F4 octahedra, corners with four equivalent Mn(1)OF5 octahedra,  an edgeedge with one Mn(4)O2F4 octahedra, and  an edgeedge with one Mn(5)O2F4 octahedra. The corner-sharing octahedral tilt angles range from 44-61°. The Mn(3)-O(2) bond length is 2.00 Å. The Mn(3)-F(2) bond length is 2.09 Å. The Mn(3)-F(3) bond length is 2.14 Å. The Mn(3)-F(4) bond length is 2.16 Å. Both Mn(3)-F(1) bond lengths are 2.15 Å. In the fourth Mn site, Mn(4) is bonded to two equivalent O(1), two equivalent F(2), and two equivalent F(3) atoms to form MnO2F4 octahedra that share corners with two equivalent Mn(1)OF5 octahedra, corners with six equivalent Mn(2)O2F4 octahedra, and edges with two equivalent Mn(3)OF5 octahedra. The corner-sharing octahedral tilt angles range from 48-52°. Both Mn(4)-O(1) bond lengths are 2.13 Å. Both Mn(4)-F(2) bond lengths are 2.09 Å. Both Mn(4)-F(3) bond lengths are 2.22 Å. In the fifth Mn site, Mn(5) is bonded to two equivalent O(2), two equivalent F(4), and two equivalent F(5) atoms to form MnO2F4 octahedra that share corners with two equivalent Mn(2)O2F4 octahedra, corners with six equivalent Mn(1)OF5 octahedra, and edges with two equivalent Mn(3)OF5 octahedra. The corner-sharing octahedral tilt angles range from 42-52°. Both Mn(5)-O(2) bond lengths are 1.93 Å. Both Mn(5)-F(4) bond lengths are 2.07 Å. Both Mn(5)-F(5) bond lengths are 2.09 Å. There are two inequivalent O sites. In the first O site, O(1) is bonded in a distorted trigonal planar geometry to one Mn(4) and two equivalent Mn(2) atoms. In the second O site, O(2) is bonded in a trigonal planar geometry to one Mn(1), one Mn(3), and one Mn(5) atom. There are five inequivalent F sites. In the first F site, F(5) is bonded in a trigonal planar geometry to one Mn(5) and two equivalent Mn(1) atoms. In the second F site, F(1) is bonded in a trigonal planar geometry to one Mn(1), one Mn(2), and one Mn(3) atom. In the third F site, F(2) is bonded in a trigonal planar geometry to one Mn(2), one Mn(3), and one Mn(4) atom. In the fourth F site, F(3) is bonded in a distorted trigonal planar geometry to one Mn(1), one Mn(3), and one Mn(4) atom. In the fifth F site, F(4) is bonded in a distorted trigonal planar geometry to one Mn(2), one Mn(3), and one Mn(5) atom.