Co6O7F5 is Hydrophilite-derived structured and crystallizes in the monoclinic C2 space group. There are four inequivalent Co sites. In the first Co site, Co(1) is bonded to one O(1), one O(3), one O(4), one F(1), and two equivalent F(2) atoms to form CoO3F3 octahedra that share corners with four equivalent Co(3)O4F2 octahedra, corners with four equivalent Co(4)O4F2 octahedra,  an edgeedge with one Co(1)O3F3 octahedra, and  an edgeedge with one Co(2)O3F3 octahedra. The corner-sharing octahedral tilt angles range from 45-55°. In the second Co site, Co(2) is bonded to one O(2), two equivalent O(1), one F(3), and two equivalent F(1) atoms to form CoO3F3 octahedra that share corners with eight equivalent Co(3)O4F2 octahedra and edges with two equivalent Co(1)O3F3 octahedra. The corner-sharing octahedral tilt angles range from 44-54°. In the third Co site, Co(3) is bonded to one O(1), one O(2), one O(3), one O(4), one F(1), and one F(3) atom to form CoO4F2 octahedra that share corners with four equivalent Co(1)O3F3 octahedra, corners with four equivalent Co(2)O3F3 octahedra,  an edgeedge with one Co(3)O4F2 octahedra, and  an edgeedge with one Co(4)O4F2 octahedra. The corner-sharing octahedral tilt angles range from 44-54°. In the fourth Co site, Co(4) is bonded to two equivalent O(3), two equivalent O(4), and two equivalent F(2) atoms to form CoO4F2 octahedra that share corners with eight equivalent Co(1)O3F3 octahedra and edges with two equivalent Co(3)O4F2 octahedra. The corner-sharing octahedral tilt angles range from 48-55°. There are four inequivalent O sites. In the first O site, O(1) is bonded in a trigonal planar geometry to one Co(1), one Co(2), and one Co(3) atom. In the second O site, O(2) is bonded in a trigonal planar geometry to one Co(2) and two equivalent Co(3) atoms. In the third O site, O(3) is bonded in a trigonal planar geometry to one Co(1), one Co(3), and one Co(4) atom. In the fourth O site, O(4) is bonded in a trigonal planar geometry to one Co(1), one Co(3), and one Co(4) atom. There are three inequivalent F sites. In the first F site, F(1) is bonded in a distorted T-shaped geometry to one Co(1), one Co(2), and one Co(3) atom. In the second F site, F(2) is bonded in a trigonal planar geometry to one Co(4) and two equivalent Co(1) atoms. In the third F site, F(3) is bonded in a trigonal planar geometry to one Co(2) and two equivalent Co(3) atoms.
Co6O7F5 is Hydrophilite-derived structured and crystallizes in the monoclinic C2 space group. There are four inequivalent Co sites. In the first Co site, Co(1) is bonded to one O(1), one O(3), one O(4), one F(1), and two equivalent F(2) atoms to form CoO3F3 octahedra that share corners with four equivalent Co(3)O4F2 octahedra, corners with four equivalent Co(4)O4F2 octahedra,  an edgeedge with one Co(1)O3F3 octahedra, and  an edgeedge with one Co(2)O3F3 octahedra. The corner-sharing octahedral tilt angles range from 45-55°. The Co(1)-O(1) bond length is 1.85 Å. The Co(1)-O(3) bond length is 1.88 Å. The Co(1)-O(4) bond length is 1.88 Å. The Co(1)-F(1) bond length is 2.07 Å. There is one shorter (1.98 Å) and one longer (2.05 Å) Co(1)-F(2) bond length. In the second Co site, Co(2) is bonded to one O(2), two equivalent O(1), one F(3), and two equivalent F(1) atoms to form CoO3F3 octahedra that share corners with eight equivalent Co(3)O4F2 octahedra and edges with two equivalent Co(1)O3F3 octahedra. The corner-sharing octahedral tilt angles range from 44-54°. The Co(2)-O(2) bond length is 1.76 Å. Both Co(2)-O(1) bond lengths are 1.89 Å. The Co(2)-F(3) bond length is 1.97 Å. Both Co(2)-F(1) bond lengths are 2.09 Å. In the third Co site, Co(3) is bonded to one O(1), one O(2), one O(3), one O(4), one F(1), and one F(3) atom to form CoO4F2 octahedra that share corners with four equivalent Co(1)O3F3 octahedra, corners with four equivalent Co(2)O3F3 octahedra,  an edgeedge with one Co(3)O4F2 octahedra, and  an edgeedge with one Co(4)O4F2 octahedra. The corner-sharing octahedral tilt angles range from 44-54°. The Co(3)-O(1) bond length is 1.90 Å. The Co(3)-O(2) bond length is 1.91 Å. The Co(3)-O(3) bond length is 1.86 Å. The Co(3)-O(4) bond length is 1.88 Å. The Co(3)-F(1) bond length is 1.92 Å. The Co(3)-F(3) bond length is 2.00 Å. In the fourth Co site, Co(4) is bonded to two equivalent O(3), two equivalent O(4), and two equivalent F(2) atoms to form CoO4F2 octahedra that share corners with eight equivalent Co(1)O3F3 octahedra and edges with two equivalent Co(3)O4F2 octahedra. The corner-sharing octahedral tilt angles range from 48-55°. Both Co(4)-O(3) bond lengths are 1.92 Å. Both Co(4)-O(4) bond lengths are 1.91 Å. Both Co(4)-F(2) bond lengths are 1.99 Å. There are four inequivalent O sites. In the first O site, O(1) is bonded in a trigonal planar geometry to one Co(1), one Co(2), and one Co(3) atom. In the second O site, O(2) is bonded in a trigonal planar geometry to one Co(2) and two equivalent Co(3) atoms. In the third O site, O(3) is bonded in a trigonal planar geometry to one Co(1), one Co(3), and one Co(4) atom. In the fourth O site, O(4) is bonded in a trigonal planar geometry to one Co(1), one Co(3), and one Co(4) atom. There are three inequivalent F sites. In the first F site, F(1) is bonded in a distorted T-shaped geometry to one Co(1), one Co(2), and one Co(3) atom. In the second F site, F(2) is bonded in a trigonal planar geometry to one Co(4) and two equivalent Co(1) atoms. In the third F site, F(3) is bonded in a trigonal planar geometry to one Co(2) and two equivalent Co(3) atoms.