Co2OF3 is Hydrophilite-derived structured and crystallizes in the triclinic P1 space group. There are ten inequivalent Co sites. In the first Co site, Co(1) is bonded to one O(4), one F(12), one F(2), one F(5), one F(7), and one F(9) atom to form CoOF5 octahedra that share corners with two equivalent Co(8)O2F4 octahedra, corners with two equivalent Co(7)OF5 octahedra, corners with four equivalent Co(10)OF5 octahedra,  an edgeedge with one Co(4)O2F4 octahedra, and  an edgeedge with one Co(5)O2F4 octahedra. The corner-sharing octahedral tilt angles range from 43-59°. In the second Co site, Co(2) is bonded to one O(3), one O(5), one F(10), one F(15), one F(3), and one F(6) atom to form CoO2F4 octahedra that share corners with two equivalent Co(8)O2F4 octahedra, corners with two equivalent Co(9)O2F4 octahedra, corners with four equivalent Co(6)F6 octahedra,  an edgeedge with one Co(3)O2F4 octahedra, and  an edgeedge with one Co(4)O2F4 octahedra. The corner-sharing octahedral tilt angles range from 48-54°. In the third Co site, Co(3) is bonded to one O(2), one O(5), one F(13), one F(4), one F(6), and one F(8) atom to form CoO2F4 octahedra that share corners with two equivalent Co(6)F6 octahedra, corners with two equivalent Co(7)OF5 octahedra, corners with four equivalent Co(9)O2F4 octahedra,  an edgeedge with one Co(2)O2F4 octahedra, and  an edgeedge with one Co(5)O2F4 octahedra. The corner-sharing octahedral tilt angles range from 44-54°. In the fourth Co site, Co(4) is bonded to one O(3), one O(4), one F(1), one F(10), one F(11), and one F(5) atom to form CoO2F4 octahedra that share corners with two equivalent Co(6)F6 octahedra, corners with two equivalent Co(10)OF5 octahedra, corners with four equivalent Co(8)O2F4 octahedra,  an edgeedge with one Co(2)O2F4 octahedra, and  an edgeedge with one Co(1)OF5 octahedra. The corner-sharing octahedral tilt angles range from 46-54°. In the fifth Co site, Co(5) is bonded to one O(1), one O(2), one F(14), one F(7), one F(8), and one F(9) atom to form CoO2F4 octahedra that share corners with two equivalent Co(9)O2F4 octahedra, corners with two equivalent Co(10)OF5 octahedra, corners with four equivalent Co(7)OF5 octahedra,  an edgeedge with one Co(3)O2F4 octahedra, and  an edgeedge with one Co(1)OF5 octahedra. The corner-sharing octahedral tilt angles range from 45-61°. In the sixth Co site, Co(6) is bonded to one F(1), one F(10), one F(13), one F(15), one F(3), and one F(6) atom to form a mixture of corner and edge-sharing CoF6 octahedra. The corner-sharing octahedral tilt angles range from 49-52°. In the seventh Co site, Co(7) is bonded to one O(1), one F(12), one F(14), one F(4), one F(7), and one F(8) atom to form CoOF5 octahedra that share corners with two equivalent Co(3)O2F4 octahedra, corners with two equivalent Co(1)OF5 octahedra, corners with four equivalent Co(5)O2F4 octahedra,  an edgeedge with one Co(9)O2F4 octahedra, and  an edgeedge with one Co(10)OF5 octahedra. The corner-sharing octahedral tilt angles range from 43-61°. In the eighth Co site, Co(8) is bonded to one O(3), one O(4), one F(1), one F(11), one F(15), and one F(2) atom to form CoO2F4 octahedra that share corners with two equivalent Co(2)O2F4 octahedra, corners with two equivalent Co(1)OF5 octahedra, corners with four equivalent Co(4)O2F4 octahedra,  an edgeedge with one Co(6)F6 octahedra, and  an edgeedge with one Co(10)OF5 octahedra. The corner-sharing octahedral tilt angles range from 48-54°. In the ninth Co site, Co(9) is bonded to one O(2), one O(5), one F(13), one F(14), one F(3), and one F(4) atom to form CoO2F4 octahedra that share corners with two equivalent Co(2)O2F4 octahedra, corners with two equivalent Co(5)O2F4 octahedra, corners with four equivalent Co(3)O2F4 octahedra,  an edgeedge with one Co(6)F6 octahedra, and  an edgeedge with one Co(7)OF5 octahedra. The corner-sharing octahedral tilt angles range from 44-57°. In the tenth Co site, Co(10) is bonded to one O(1), one F(11), one F(12), one F(2), one F(5), and one F(9) atom to form CoOF5 octahedra that share corners with two equivalent Co(4)O2F4 octahedra, corners with two equivalent Co(5)O2F4 octahedra, corners with four equivalent Co(1)OF5 octahedra,  an edgeedge with one Co(8)O2F4 octahedra, and  an edgeedge with one Co(7)OF5 octahedra. The corner-sharing octahedral tilt angles range from 43-59°. There are five inequivalent O sites. In the first O site, O(1) is bonded in a distorted trigonal planar geometry to one Co(10), one Co(5), and one Co(7) atom. In the second O site, O(2) is bonded in a trigonal planar geometry to one Co(3), one Co(5), and one Co(9) atom. In the third O site, O(3) is bonded in a distorted trigonal planar geometry to one Co(2), one Co(4), and one Co(8) atom. In the fourth O site, O(4) is bonded in a distorted trigonal planar geometry to one Co(1), one Co(4), and one Co(8) atom. In the fifth O site, O(5) is bonded in a distorted trigonal planar geometry to one Co(2), one Co(3), and one Co(9) atom. There are fifteen inequivalent F sites. In the first F site, F(1) is bonded in a trigonal planar geometry to one Co(4), one Co(6), and one Co(8) atom. In the second F site, F(2) is bonded in a trigonal planar geometry to one Co(1), one Co(10), and one Co(8) atom. In the third F site, F(3) is bonded in a trigonal planar geometry to one Co(2), one Co(6), and one Co(9) atom. In the fourth F site, F(4) is bonded in a trigonal planar geometry to one Co(3), one Co(7), and one Co(9) atom. In the fifth F site, F(5) is bonded in a distorted trigonal planar geometry to one Co(1), one Co(10), and one Co(4) atom. In the sixth F site, F(6) is bonded in a trigonal planar geometry to one Co(2), one Co(3), and one Co(6) atom. In the seventh F site, F(7) is bonded in a trigonal planar geometry to one Co(1), one Co(5), and one Co(7) atom. In the eighth F site, F(8) is bonded in a distorted trigonal planar geometry to one Co(3), one Co(5), and one Co(7) atom. In the ninth F site, F(9) is bonded in a trigonal planar geometry to one Co(1), one Co(10), and one Co(5) atom. In the tenth F site, F(10) is bonded in a trigonal planar geometry to one Co(2), one Co(4), and one Co(6) atom. In the eleventh F site, F(11) is bonded in a trigonal planar geometry to one Co(10), one Co(4), and one Co(8) atom. In the twelfth F site, F(12) is bonded in a distorted T-shaped geometry to one Co(1), one Co(10), and one Co(7) atom. In the thirteenth F site, F(13) is bonded in a trigonal planar geometry to one Co(3), one Co(6), and one Co(9) atom. In the fourteenth F site, F(14) is bonded in a distorted trigonal planar geometry to one Co(5), one Co(7), and one Co(9) atom. In the fifteenth F site, F(15) is bonded in a trigonal planar geometry to one Co(2), one Co(6), and one Co(8) atom.
Co2OF3 is Hydrophilite-derived structured and crystallizes in the triclinic P1 space group. There are ten inequivalent Co sites. In the first Co site, Co(1) is bonded to one O(4), one F(12), one F(2), one F(5), one F(7), and one F(9) atom to form CoOF5 octahedra that share corners with two equivalent Co(8)O2F4 octahedra, corners with two equivalent Co(7)OF5 octahedra, corners with four equivalent Co(10)OF5 octahedra,  an edgeedge with one Co(4)O2F4 octahedra, and  an edgeedge with one Co(5)O2F4 octahedra. The corner-sharing octahedral tilt angles range from 43-59°. The Co(1)-O(4) bond length is 1.79 Å. The Co(1)-F(12) bond length is 2.03 Å. The Co(1)-F(2) bond length is 2.05 Å. The Co(1)-F(5) bond length is 2.02 Å. The Co(1)-F(7) bond length is 2.19 Å. The Co(1)-F(9) bond length is 1.99 Å. In the second Co site, Co(2) is bonded to one O(3), one O(5), one F(10), one F(15), one F(3), and one F(6) atom to form CoO2F4 octahedra that share corners with two equivalent Co(8)O2F4 octahedra, corners with two equivalent Co(9)O2F4 octahedra, corners with four equivalent Co(6)F6 octahedra,  an edgeedge with one Co(3)O2F4 octahedra, and  an edgeedge with one Co(4)O2F4 octahedra. The corner-sharing octahedral tilt angles range from 48-54°. The Co(2)-O(3) bond length is 2.06 Å. The Co(2)-O(5) bond length is 2.07 Å. The Co(2)-F(10) bond length is 2.01 Å. The Co(2)-F(15) bond length is 2.06 Å. The Co(2)-F(3) bond length is 2.06 Å. The Co(2)-F(6) bond length is 2.05 Å. In the third Co site, Co(3) is bonded to one O(2), one O(5), one F(13), one F(4), one F(6), and one F(8) atom to form CoO2F4 octahedra that share corners with two equivalent Co(6)F6 octahedra, corners with two equivalent Co(7)OF5 octahedra, corners with four equivalent Co(9)O2F4 octahedra,  an edgeedge with one Co(2)O2F4 octahedra, and  an edgeedge with one Co(5)O2F4 octahedra. The corner-sharing octahedral tilt angles range from 44-54°. The Co(3)-O(2) bond length is 1.98 Å. The Co(3)-O(5) bond length is 1.98 Å. The Co(3)-F(13) bond length is 2.04 Å. The Co(3)-F(4) bond length is 2.06 Å. The Co(3)-F(6) bond length is 2.00 Å. The Co(3)-F(8) bond length is 1.97 Å. In the fourth Co site, Co(4) is bonded to one O(3), one O(4), one F(1), one F(10), one F(11), and one F(5) atom to form CoO2F4 octahedra that share corners with two equivalent Co(6)F6 octahedra, corners with two equivalent Co(10)OF5 octahedra, corners with four equivalent Co(8)O2F4 octahedra,  an edgeedge with one Co(2)O2F4 octahedra, and  an edgeedge with one Co(1)OF5 octahedra. The corner-sharing octahedral tilt angles range from 46-54°. The Co(4)-O(3) bond length is 2.05 Å. The Co(4)-O(4) bond length is 2.13 Å. The Co(4)-F(1) bond length is 2.07 Å. The Co(4)-F(10) bond length is 2.06 Å. The Co(4)-F(11) bond length is 2.07 Å. The Co(4)-F(5) bond length is 2.06 Å. In the fifth Co site, Co(5) is bonded to one O(1), one O(2), one F(14), one F(7), one F(8), and one F(9) atom to form CoO2F4 octahedra that share corners with two equivalent Co(9)O2F4 octahedra, corners with two equivalent Co(10)OF5 octahedra, corners with four equivalent Co(7)OF5 octahedra,  an edgeedge with one Co(3)O2F4 octahedra, and  an edgeedge with one Co(1)OF5 octahedra. The corner-sharing octahedral tilt angles range from 45-61°. The Co(5)-O(1) bond length is 1.81 Å. The Co(5)-O(2) bond length is 2.00 Å. The Co(5)-F(14) bond length is 2.13 Å. The Co(5)-F(7) bond length is 2.06 Å. The Co(5)-F(8) bond length is 2.09 Å. The Co(5)-F(9) bond length is 2.19 Å. In the sixth Co site, Co(6) is bonded to one F(1), one F(10), one F(13), one F(15), one F(3), and one F(6) atom to form a mixture of corner and edge-sharing CoF6 octahedra. The corner-sharing octahedral tilt angles range from 49-52°. The Co(6)-F(1) bond length is 2.07 Å. The Co(6)-F(10) bond length is 1.97 Å. The Co(6)-F(13) bond length is 2.08 Å. The Co(6)-F(15) bond length is 2.05 Å. The Co(6)-F(3) bond length is 2.06 Å. The Co(6)-F(6) bond length is 1.99 Å. In the seventh Co site, Co(7) is bonded to one O(1), one F(12), one F(14), one F(4), one F(7), and one F(8) atom to form CoOF5 octahedra that share corners with two equivalent Co(3)O2F4 octahedra, corners with two equivalent Co(1)OF5 octahedra, corners with four equivalent Co(5)O2F4 octahedra,  an edgeedge with one Co(9)O2F4 octahedra, and  an edgeedge with one Co(10)OF5 octahedra. The corner-sharing octahedral tilt angles range from 43-61°. The Co(7)-O(1) bond length is 1.99 Å. The Co(7)-F(12) bond length is 2.06 Å. The Co(7)-F(14) bond length is 2.17 Å. The Co(7)-F(4) bond length is 2.06 Å. The Co(7)-F(7) bond length is 2.03 Å. The Co(7)-F(8) bond length is 2.03 Å. In the eighth Co site, Co(8) is bonded to one O(3), one O(4), one F(1), one F(11), one F(15), and one F(2) atom to form CoO2F4 octahedra that share corners with two equivalent Co(2)O2F4 octahedra, corners with two equivalent Co(1)OF5 octahedra, corners with four equivalent Co(4)O2F4 octahedra,  an edgeedge with one Co(6)F6 octahedra, and  an edgeedge with one Co(10)OF5 octahedra. The corner-sharing octahedral tilt angles range from 48-54°. The Co(8)-O(3) bond length is 1.81 Å. The Co(8)-O(4) bond length is 2.05 Å. The Co(8)-F(1) bond length is 2.06 Å. The Co(8)-F(11) bond length is 2.07 Å. The Co(8)-F(15) bond length is 2.08 Å. The Co(8)-F(2) bond length is 2.08 Å. In the ninth Co site, Co(9) is bonded to one O(2), one O(5), one F(13), one F(14), one F(3), and one F(4) atom to form CoO2F4 octahedra that share corners with two equivalent Co(2)O2F4 octahedra, corners with two equivalent Co(5)O2F4 octahedra, corners with four equivalent Co(3)O2F4 octahedra,  an edgeedge with one Co(6)F6 octahedra, and  an edgeedge with one Co(7)OF5 octahedra. The corner-sharing octahedral tilt angles range from 44-57°. The Co(9)-O(2) bond length is 1.95 Å. The Co(9)-O(5) bond length is 1.91 Å. The Co(9)-F(13) bond length is 2.04 Å. The Co(9)-F(14) bond length is 2.10 Å. The Co(9)-F(3) bond length is 2.07 Å. The Co(9)-F(4) bond length is 2.04 Å. In the tenth Co site, Co(10) is bonded to one O(1), one F(11), one F(12), one F(2), one F(5), and one F(9) atom to form CoOF5 octahedra that share corners with two equivalent Co(4)O2F4 octahedra, corners with two equivalent Co(5)O2F4 octahedra, corners with four equivalent Co(1)OF5 octahedra,  an edgeedge with one Co(8)O2F4 octahedra, and  an edgeedge with one Co(7)OF5 octahedra. The corner-sharing octahedral tilt angles range from 43-59°. The Co(10)-O(1) bond length is 1.99 Å. The Co(10)-F(11) bond length is 2.12 Å. The Co(10)-F(12) bond length is 2.08 Å. The Co(10)-F(2) bond length is 2.05 Å. The Co(10)-F(5) bond length is 2.01 Å. The Co(10)-F(9) bond length is 2.02 Å. There are five inequivalent O sites. In the first O site, O(1) is bonded in a distorted trigonal planar geometry to one Co(10), one Co(5), and one Co(7) atom. In the second O site, O(2) is bonded in a trigonal planar geometry to one Co(3), one Co(5), and one Co(9) atom. In the third O site, O(3) is bonded in a distorted trigonal planar geometry to one Co(2), one Co(4), and one Co(8) atom. In the fourth O site, O(4) is bonded in a distorted trigonal planar geometry to one Co(1), one Co(4), and one Co(8) atom. In the fifth O site, O(5) is bonded in a distorted trigonal planar geometry to one Co(2), one Co(3), and one Co(9) atom. There are fifteen inequivalent F sites. In the first F site, F(1) is bonded in a trigonal planar geometry to one Co(4), one Co(6), and one Co(8) atom. In the second F site, F(2) is bonded in a trigonal planar geometry to one Co(1), one Co(10), and one Co(8) atom. In the third F site, F(3) is bonded in a trigonal planar geometry to one Co(2), one Co(6), and one Co(9) atom. In the fourth F site, F(4) is bonded in a trigonal planar geometry to one Co(3), one Co(7), and one Co(9) atom. In the fifth F site, F(5) is bonded in a distorted trigonal planar geometry to one Co(1), one Co(10), and one Co(4) atom. In the sixth F site, F(6) is bonded in a trigonal planar geometry to one Co(2), one Co(3), and one Co(6) atom. In the seventh F site, F(7) is bonded in a trigonal planar geometry to one Co(1), one Co(5), and one Co(7) atom. In the eighth F site, F(8) is bonded in a distorted trigonal planar geometry to one Co(3), one Co(5), and one Co(7) atom. In the ninth F site, F(9) is bonded in a trigonal planar geometry to one Co(1), one Co(10), and one Co(5) atom. In the tenth F site, F(10) is bonded in a trigonal planar geometry to one Co(2), one Co(4), and one Co(6) atom. In the eleventh F site, F(11) is bonded in a trigonal planar geometry to one Co(10), one Co(4), and one Co(8) atom. In the twelfth F site, F(12) is bonded in a distorted T-shaped geometry to one Co(1), one Co(10), and one Co(7) atom. In the thirteenth F site, F(13) is bonded in a trigonal planar geometry to one Co(3), one Co(6), and one Co(9) atom. In the fourteenth F site, F(14) is bonded in a distorted trigonal planar geometry to one Co(5), one Co(7), and one Co(9) atom. In the fifteenth F site, F(15) is bonded in a trigonal planar geometry to one Co(2), one Co(6), and one Co(8) atom.