Cd(O2Br)2 crystallizes in the triclinic P1 space group. There are two inequivalent Cd sites. In the first Cd site, Cd(1) is bonded in a 4-coordinate geometry to one O(1), one O(2), and two equivalent O(7) atoms. In the second Cd site, Cd(2) is bonded in a 6-coordinate geometry to one O(3), one O(4), one O(5), one O(8), and two equivalent O(6) atoms. There are eight inequivalent O sites. In the first O site, O(1) is bonded in a distorted trigonal non-coplanar geometry to one Cd(1), one Br(3), and one Br(4) atom. In the second O site, O(2) is bonded in a bent 120 degrees geometry to one Cd(1) and one Br(4) atom. In the third O site, O(3) is bonded in a bent 120 degrees geometry to one Cd(2) and one Br(1) atom. In the fourth O site, O(4) is bonded in a bent 120 degrees geometry to one Cd(2) and one O(5) atom. In the fifth O site, O(5) is bonded in a bent 120 degrees geometry to one Cd(2) and one O(4) atom. In the sixth O site, O(6) is bonded in a trigonal non-coplanar geometry to two equivalent Cd(2) and one Br(4) atom. In the seventh O site, O(7) is bonded in a trigonal planar geometry to two equivalent Cd(1) and one Br(1) atom. In the eighth O site, O(8) is bonded in a 3-coordinate geometry to one Cd(2), one Br(2), and one Br(4) atom. There are four inequivalent Br sites. In the first Br site, Br(1) is bonded in a water-like geometry to one O(3) and one O(7) atom. In the second Br site, Br(2) is bonded in a distorted single-bond geometry to one O(8) atom. In the third Br site, Br(3) is bonded in a single-bond geometry to one O(1) atom. In the fourth Br site, Br(4) is bonded in a distorted rectangular see-saw-like geometry to one O(1), one O(2), one O(6), and one O(8) atom.
Cd(O2Br)2 crystallizes in the triclinic P1 space group. There are two inequivalent Cd sites. In the first Cd site, Cd(1) is bonded in a 4-coordinate geometry to one O(1), one O(2), and two equivalent O(7) atoms. The Cd(1)-O(1) bond length is 2.25 Å. The Cd(1)-O(2) bond length is 2.24 Å. There is one shorter (2.32 Å) and one longer (2.38 Å) Cd(1)-O(7) bond length. In the second Cd site, Cd(2) is bonded in a 6-coordinate geometry to one O(3), one O(4), one O(5), one O(8), and two equivalent O(6) atoms. The Cd(2)-O(3) bond length is 2.25 Å. The Cd(2)-O(4) bond length is 2.76 Å. The Cd(2)-O(5) bond length is 2.58 Å. The Cd(2)-O(8) bond length is 2.28 Å. There is one shorter (2.25 Å) and one longer (2.37 Å) Cd(2)-O(6) bond length. There are eight inequivalent O sites. In the first O site, O(1) is bonded in a distorted trigonal non-coplanar geometry to one Cd(1), one Br(3), and one Br(4) atom. The O(1)-Br(3) bond length is 1.82 Å. The O(1)-Br(4) bond length is 2.47 Å. In the second O site, O(2) is bonded in a bent 120 degrees geometry to one Cd(1) and one Br(4) atom. The O(2)-Br(4) bond length is 1.79 Å. In the third O site, O(3) is bonded in a bent 120 degrees geometry to one Cd(2) and one Br(1) atom. The O(3)-Br(1) bond length is 1.77 Å. In the fourth O site, O(4) is bonded in a bent 120 degrees geometry to one Cd(2) and one O(5) atom. The O(4)-O(5) bond length is 1.26 Å. In the fifth O site, O(5) is bonded in a bent 120 degrees geometry to one Cd(2) and one O(4) atom. In the sixth O site, O(6) is bonded in a trigonal non-coplanar geometry to two equivalent Cd(2) and one Br(4) atom. The O(6)-Br(4) bond length is 1.85 Å. In the seventh O site, O(7) is bonded in a trigonal planar geometry to two equivalent Cd(1) and one Br(1) atom. The O(7)-Br(1) bond length is 1.79 Å. In the eighth O site, O(8) is bonded in a 3-coordinate geometry to one Cd(2), one Br(2), and one Br(4) atom. The O(8)-Br(2) bond length is 1.83 Å. The O(8)-Br(4) bond length is 2.38 Å. There are four inequivalent Br sites. In the first Br site, Br(1) is bonded in a water-like geometry to one O(3) and one O(7) atom. In the second Br site, Br(2) is bonded in a distorted single-bond geometry to one O(8) atom. In the third Br site, Br(3) is bonded in a single-bond geometry to one O(1) atom. In the fourth Br site, Br(4) is bonded in a distorted rectangular see-saw-like geometry to one O(1), one O(2), one O(6), and one O(8) atom.