Cr4OF11 crystallizes in the triclinic P1 space group. There are four inequivalent Cr sites. In the first Cr site, Cr(1) is bonded in a 6-coordinate geometry to one O(1), one F(2), one F(3), one F(4), one F(6), and one F(8) atom. In the second Cr site, Cr(2) is bonded in a distorted rectangular see-saw-like geometry to one O(1), one F(1), one F(10), one F(3), one F(6), and one F(7) atom. In the third Cr site, Cr(3) is bonded in a 6-coordinate geometry to one F(1), one F(10), one F(11), one F(5), one F(7), and one F(9) atom. In the fourth Cr site, Cr(4) is bonded in a distorted square co-planar geometry to one F(11), one F(2), one F(4), one F(5), one F(8), and one F(9) atom. O(1) is bonded in a bent 120 degrees geometry to one Cr(1) and one Cr(2) atom. There are eleven inequivalent F sites. In the first F site, F(1) is bonded in a bent 120 degrees geometry to one Cr(2) and one Cr(3) atom. In the second F site, F(2) is bonded in a bent 150 degrees geometry to one Cr(1) and one Cr(4) atom. In the third F site, F(3) is bonded in a bent 150 degrees geometry to one Cr(1) and one Cr(2) atom. In the fourth F site, F(4) is bonded in a bent 150 degrees geometry to one Cr(1) and one Cr(4) atom. In the fifth F site, F(5) is bonded in a bent 120 degrees geometry to one Cr(3) and one Cr(4) atom. In the sixth F site, F(6) is bonded in a bent 150 degrees geometry to one Cr(1) and one Cr(2) atom. In the seventh F site, F(7) is bonded in a bent 150 degrees geometry to one Cr(2) and one Cr(3) atom. In the eighth F site, F(8) is bonded in a bent 120 degrees geometry to one Cr(1) and one Cr(4) atom. In the ninth F site, F(9) is bonded in a bent 150 degrees geometry to one Cr(3) and one Cr(4) 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(3) and one Cr(4) atom.
Cr4OF11 crystallizes in the triclinic P1 space group. There are four inequivalent Cr sites. In the first Cr site, Cr(1) is bonded in a 6-coordinate geometry to one O(1), one F(2), one F(3), one F(4), one F(6), and one F(8) atom. The Cr(1)-O(1) bond length is 1.58 Å. The Cr(1)-F(2) bond length is 2.10 Å. The Cr(1)-F(3) bond length is 2.38 Å. The Cr(1)-F(4) bond length is 2.37 Å. The Cr(1)-F(6) bond length is 2.15 Å. The Cr(1)-F(8) bond length is 1.69 Å. In the second Cr site, Cr(2) is bonded in a distorted rectangular see-saw-like geometry to one O(1), one F(1), one F(10), one F(3), one F(6), and one F(7) atom. The Cr(2)-O(1) bond length is 1.57 Å. The Cr(2)-F(1) bond length is 1.67 Å. The Cr(2)-F(10) bond length is 2.55 Å. The Cr(2)-F(3) bond length is 2.51 Å. The Cr(2)-F(6) bond length is 1.96 Å. The Cr(2)-F(7) bond length is 1.93 Å. In the third Cr site, Cr(3) is bonded in a 6-coordinate geometry to one F(1), one F(10), one F(11), one F(5), one F(7), and one F(9) atom. The Cr(3)-F(1) bond length is 1.65 Å. The Cr(3)-F(10) bond length is 2.38 Å. The Cr(3)-F(11) bond length is 2.12 Å. The Cr(3)-F(5) bond length is 1.67 Å. The Cr(3)-F(7) bond length is 2.14 Å. The Cr(3)-F(9) bond length is 2.37 Å. In the fourth Cr site, Cr(4) is bonded in a distorted square co-planar geometry to one F(11), one F(2), one F(4), one F(5), one F(8), and one F(9) atom. The Cr(4)-F(11) bond length is 1.95 Å. The Cr(4)-F(2) bond length is 1.96 Å. The Cr(4)-F(4) bond length is 2.54 Å. The Cr(4)-F(5) bond length is 1.65 Å. The Cr(4)-F(8) bond length is 1.64 Å. The Cr(4)-F(9) bond length is 2.54 Å. O(1) is bonded in a bent 120 degrees geometry to one Cr(1) and one Cr(2) atom. There are eleven inequivalent F sites. In the first F site, F(1) is bonded in a bent 120 degrees geometry to one Cr(2) and one Cr(3) atom. In the second F site, F(2) is bonded in a bent 150 degrees geometry to one Cr(1) and one Cr(4) atom. In the third F site, F(3) is bonded in a bent 150 degrees geometry to one Cr(1) and one Cr(2) atom. In the fourth F site, F(4) is bonded in a bent 150 degrees geometry to one Cr(1) and one Cr(4) atom. In the fifth F site, F(5) is bonded in a bent 120 degrees geometry to one Cr(3) and one Cr(4) atom. In the sixth F site, F(6) is bonded in a bent 150 degrees geometry to one Cr(1) and one Cr(2) atom. In the seventh F site, F(7) is bonded in a bent 150 degrees geometry to one Cr(2) and one Cr(3) atom. In the eighth F site, F(8) is bonded in a bent 120 degrees geometry to one Cr(1) and one Cr(4) atom. In the ninth F site, F(9) is bonded in a bent 150 degrees geometry to one Cr(3) and one Cr(4) 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(3) and one Cr(4) atom.