Cr4OF11 crystallizes in the triclinic P1 space group. There are eight inequivalent Cr sites. In the first Cr site, Cr(1) is bonded to one O(1), one F(1), one F(14), one F(3), one F(5), and one F(9) atom to form CrOF5 octahedra that share corners with three equivalent Cr(4)F6 octahedra and corners with three equivalent Cr(8)OF5 octahedra. The corner-sharing octahedral tilt angles range from 34-39°. In the second Cr site, Cr(2) is bonded to one F(10), one F(13), one F(17), one F(2), one F(4), and one F(8) atom to form CrF6 octahedra that share corners with three equivalent Cr(3)F6 octahedra and corners with three equivalent Cr(7)OF5 octahedra. The corner-sharing octahedral tilt angles range from 34-38°. In the third Cr site, Cr(3) is bonded to one F(10), one F(13), one F(16), one F(21), one F(4), and one F(6) atom to form corner-sharing CrF6 octahedra. The corner-sharing octahedral tilt angles range from 36-38°. In the fourth Cr site, Cr(4) is bonded to one F(1), one F(11), one F(14), one F(18), one F(5), and one F(7) atom to form corner-sharing CrF6 octahedra. The corner-sharing octahedral tilt angles range from 34-39°. In the fifth Cr site, Cr(5) is bonded to one O(2), one F(11), one F(15), one F(18), one F(20), and one F(7) atom to form CrOF5 octahedra that share corners with three equivalent Cr(4)F6 octahedra and corners with three equivalent Cr(7)OF5 octahedra. The corner-sharing octahedral tilt angles range from 35-39°. In the sixth Cr site, Cr(6) is bonded to one F(12), one F(16), one F(19), one F(21), one F(22), and one F(6) atom to form CrF6 octahedra that share corners with three equivalent Cr(3)F6 octahedra and corners with three equivalent Cr(8)OF5 octahedra. The corner-sharing octahedral tilt angles range from 35-39°. In the seventh Cr site, Cr(7) is bonded to one O(2), one F(15), one F(17), one F(2), one F(20), and one F(8) atom to form CrOF5 octahedra that share corners with three equivalent Cr(2)F6 octahedra and corners with three equivalent Cr(5)OF5 octahedra. The corner-sharing octahedral tilt angles range from 34-39°. In the eighth Cr site, Cr(8) is bonded to one O(1), one F(12), one F(19), one F(22), one F(3), and one F(9) atom to form CrOF5 octahedra that share corners with three equivalent Cr(6)F6 octahedra and corners with three equivalent Cr(1)OF5 octahedra. The corner-sharing octahedral tilt angles range from 35-39°. There are two inequivalent O sites. In the first O site, O(1) is bonded in a bent 150 degrees geometry to one Cr(1) and one Cr(8) atom. In the second O site, O(2) is bonded in a bent 150 degrees geometry to one Cr(5) and one Cr(7) atom. There are twenty-two inequivalent F sites. In the first F site, F(1) is bonded in a bent 150 degrees geometry to one Cr(1) and one Cr(4) atom. In the second F site, F(2) is bonded in a bent 150 degrees geometry to one Cr(2) and one Cr(7) atom. In the third F site, F(3) is bonded in a bent 150 degrees geometry to one Cr(1) and one Cr(8) atom. In the fourth F site, F(4) is bonded in a bent 150 degrees geometry to one Cr(2) and one Cr(3) atom. In the fifth F site, F(5) is bonded in a bent 150 degrees geometry to one Cr(1) and one Cr(4) atom. In the sixth F site, F(6) is bonded in a bent 150 degrees geometry to one Cr(3) and one Cr(6) atom. In the seventh F site, F(7) is bonded in a bent 150 degrees geometry to one Cr(4) and one Cr(5) atom. In the eighth F site, F(8) is bonded in a bent 150 degrees geometry to one Cr(2) and one Cr(7) atom. In the ninth F site, F(9) is bonded in a bent 150 degrees geometry to one Cr(1) and one Cr(8) atom. In the tenth F site, F(10) is bonded in a bent 150 degrees geometry to one Cr(2) and one Cr(3) atom. In the eleventh F site, F(11) is bonded in a bent 150 degrees geometry to one Cr(4) and one Cr(5) atom. In the twelfth F site, F(12) is bonded in a bent 150 degrees geometry to one Cr(6) and one Cr(8) atom. In the thirteenth F site, F(13) is bonded in a bent 150 degrees geometry to one Cr(2) and one Cr(3) atom. In the fourteenth F site, F(14) is bonded in a bent 150 degrees geometry to one Cr(1) and one Cr(4) atom. In the fifteenth F site, F(15) is bonded in a bent 150 degrees geometry to one Cr(5) and one Cr(7) atom. In the sixteenth F site, F(16) is bonded in a bent 150 degrees geometry to one Cr(3) and one Cr(6) atom. In the seventeenth F site, F(17) is bonded in a bent 150 degrees geometry to one Cr(2) and one Cr(7) atom. In the eighteenth F site, F(18) is bonded in a bent 150 degrees geometry to one Cr(4) and one Cr(5) atom. In the nineteenth F site, F(19) is bonded in a bent 150 degrees geometry to one Cr(6) and one Cr(8) atom. In the twentieth F site, F(20) is bonded in a bent 150 degrees geometry to one Cr(5) and one Cr(7) atom. In the twenty-first F site, F(21) is bonded in a bent 150 degrees geometry to one Cr(3) and one Cr(6) atom. In the twenty-second F site, F(22) is bonded in a bent 150 degrees geometry to one Cr(6) and one Cr(8) atom.
Cr4OF11 crystallizes in the triclinic P1 space group. There are eight inequivalent Cr sites. In the first Cr site, Cr(1) is bonded to one O(1), one F(1), one F(14), one F(3), one F(5), and one F(9) atom to form CrOF5 octahedra that share corners with three equivalent Cr(4)F6 octahedra and corners with three equivalent Cr(8)OF5 octahedra. The corner-sharing octahedral tilt angles range from 34-39°. The Cr(1)-O(1) bond length is 1.84 Å. The Cr(1)-F(1) bond length is 1.94 Å. The Cr(1)-F(14) bond length is 1.93 Å. The Cr(1)-F(3) bond length is 1.96 Å. The Cr(1)-F(5) bond length is 1.99 Å. The Cr(1)-F(9) bond length is 1.95 Å. In the second Cr site, Cr(2) is bonded to one F(10), one F(13), one F(17), one F(2), one F(4), and one F(8) atom to form CrF6 octahedra that share corners with three equivalent Cr(3)F6 octahedra and corners with three equivalent Cr(7)OF5 octahedra. The corner-sharing octahedral tilt angles range from 34-38°. The Cr(2)-F(10) bond length is 1.95 Å. The Cr(2)-F(13) bond length is 1.95 Å. The Cr(2)-F(17) bond length is 1.94 Å. The Cr(2)-F(2) bond length is 1.96 Å. The Cr(2)-F(4) bond length is 1.94 Å. The Cr(2)-F(8) bond length is 1.95 Å. In the third Cr site, Cr(3) is bonded to one F(10), one F(13), one F(16), one F(21), one F(4), and one F(6) atom to form corner-sharing CrF6 octahedra. The corner-sharing octahedral tilt angles range from 36-38°. The Cr(3)-F(10) bond length is 1.95 Å. The Cr(3)-F(13) bond length is 1.94 Å. The Cr(3)-F(16) bond length is 1.94 Å. The Cr(3)-F(21) bond length is 1.95 Å. The Cr(3)-F(4) bond length is 1.95 Å. The Cr(3)-F(6) bond length is 1.94 Å. In the fourth Cr site, Cr(4) is bonded to one F(1), one F(11), one F(14), one F(18), one F(5), and one F(7) atom to form corner-sharing CrF6 octahedra. The corner-sharing octahedral tilt angles range from 34-39°. The Cr(4)-F(1) bond length is 1.95 Å. The Cr(4)-F(11) bond length is 1.95 Å. The Cr(4)-F(14) bond length is 1.96 Å. The Cr(4)-F(18) bond length is 1.95 Å. The Cr(4)-F(5) bond length is 1.94 Å. The Cr(4)-F(7) bond length is 1.95 Å. In the fifth Cr site, Cr(5) is bonded to one O(2), one F(11), one F(15), one F(18), one F(20), and one F(7) atom to form CrOF5 octahedra that share corners with three equivalent Cr(4)F6 octahedra and corners with three equivalent Cr(7)OF5 octahedra. The corner-sharing octahedral tilt angles range from 35-39°. The Cr(5)-O(2) bond length is 1.84 Å. The Cr(5)-F(11) bond length is 1.95 Å. The Cr(5)-F(15) bond length is 1.94 Å. The Cr(5)-F(18) bond length is 1.94 Å. The Cr(5)-F(20) bond length is 1.94 Å. The Cr(5)-F(7) bond length is 1.99 Å. In the sixth Cr site, Cr(6) is bonded to one F(12), one F(16), one F(19), one F(21), one F(22), and one F(6) atom to form CrF6 octahedra that share corners with three equivalent Cr(3)F6 octahedra and corners with three equivalent Cr(8)OF5 octahedra. The corner-sharing octahedral tilt angles range from 35-39°. The Cr(6)-F(12) bond length is 1.94 Å. The Cr(6)-F(16) bond length is 1.95 Å. The Cr(6)-F(19) bond length is 1.96 Å. The Cr(6)-F(21) bond length is 1.95 Å. The Cr(6)-F(22) bond length is 1.95 Å. The Cr(6)-F(6) bond length is 1.94 Å. In the seventh Cr site, Cr(7) is bonded to one O(2), one F(15), one F(17), one F(2), one F(20), and one F(8) atom to form CrOF5 octahedra that share corners with three equivalent Cr(2)F6 octahedra and corners with three equivalent Cr(5)OF5 octahedra. The corner-sharing octahedral tilt angles range from 34-39°. The Cr(7)-O(2) bond length is 1.83 Å. The Cr(7)-F(15) bond length is 1.95 Å. The Cr(7)-F(17) bond length is 1.99 Å. The Cr(7)-F(2) bond length is 1.94 Å. The Cr(7)-F(20) bond length is 1.96 Å. The Cr(7)-F(8) bond length is 1.93 Å. In the eighth Cr site, Cr(8) is bonded to one O(1), one F(12), one F(19), one F(22), one F(3), and one F(9) atom to form CrOF5 octahedra that share corners with three equivalent Cr(6)F6 octahedra and corners with three equivalent Cr(1)OF5 octahedra. The corner-sharing octahedral tilt angles range from 35-39°. The Cr(8)-O(1) bond length is 1.84 Å. The Cr(8)-F(12) bond length is 1.94 Å. The Cr(8)-F(19) bond length is 1.95 Å. The Cr(8)-F(22) bond length is 1.99 Å. The Cr(8)-F(3) bond length is 1.94 Å. The Cr(8)-F(9) bond length is 1.94 Å. There are two inequivalent O sites. In the first O site, O(1) is bonded in a bent 150 degrees geometry to one Cr(1) and one Cr(8) atom. In the second O site, O(2) is bonded in a bent 150 degrees geometry to one Cr(5) and one Cr(7) atom. There are twenty-two inequivalent F sites. In the first F site, F(1) is bonded in a bent 150 degrees geometry to one Cr(1) and one Cr(4) atom. In the second F site, F(2) is bonded in a bent 150 degrees geometry to one Cr(2) and one Cr(7) atom. In the third F site, F(3) is bonded in a bent 150 degrees geometry to one Cr(1) and one Cr(8) atom. In the fourth F site, F(4) is bonded in a bent 150 degrees geometry to one Cr(2) and one Cr(3) atom. In the fifth F site, F(5) is bonded in a bent 150 degrees geometry to one Cr(1) and one Cr(4) atom. In the sixth F site, F(6) is bonded in a bent 150 degrees geometry to one Cr(3) and one Cr(6) atom. In the seventh F site, F(7) is bonded in a bent 150 degrees geometry to one Cr(4) and one Cr(5) atom. In the eighth F site, F(8) is bonded in a bent 150 degrees geometry to one Cr(2) and one Cr(7) atom. In the ninth F site, F(9) is bonded in a bent 150 degrees geometry to one Cr(1) and one Cr(8) atom. In the tenth F site, F(10) is bonded in a bent 150 degrees geometry to one Cr(2) and one Cr(3) atom. In the eleventh F site, F(11) is bonded in a bent 150 degrees geometry to one Cr(4) and one Cr(5) atom. In the twelfth F site, F(12) is bonded in a bent 150 degrees geometry to one Cr(6) and one Cr(8) atom. In the thirteenth F site, F(13) is bonded in a bent 150 degrees geometry to one Cr(2) and one Cr(3) atom. In the fourteenth F site, F(14) is bonded in a bent 150 degrees geometry to one Cr(1) and one Cr(4) atom. In the fifteenth F site, F(15) is bonded in a bent 150 degrees geometry to one Cr(5) and one Cr(7) atom. In the sixteenth F site, F(16) is bonded in a bent 150 degrees geometry to one Cr(3) and one Cr(6) atom. In the seventeenth F site, F(17) is bonded in a bent 150 degrees geometry to one Cr(2) and one Cr(7) atom. In the eighteenth F site, F(18) is bonded in a bent 150 degrees geometry to one Cr(4) and one Cr(5) atom. In the nineteenth F site, F(19) is bonded in a bent 150 degrees geometry to one Cr(6) and one Cr(8) atom. In the twentieth F site, F(20) is bonded in a bent 150 degrees geometry to one Cr(5) and one Cr(7) atom. In the twenty-first F site, F(21) is bonded in a bent 150 degrees geometry to one Cr(3) and one Cr(6) atom. In the twenty-second F site, F(22) is bonded in a bent 150 degrees geometry to one Cr(6) and one Cr(8) atom.