C(Se2Br)2 is Indium-like structured and crystallizes in the orthorhombic Pna2_1 space group. The structure is zero-dimensional and consists of four C(Se2Br)2 clusters. C(1) is bonded in a trigonal planar geometry to one Se(1), one Se(3), and one Se(4) atom. There are four inequivalent Se sites. In the first Se site, Se(1) is bonded in a distorted T-shaped geometry to one C(1), one Se(2), and one Br(2) atom. In the second Se site, Se(2) is bonded in an L-shaped geometry to one Se(1) and one Se(3) atom. In the third Se site, Se(3) is bonded in a distorted T-shaped geometry to one C(1), one Se(2), and one Br(1) atom. In the fourth Se site, Se(4) is bonded in a T-shaped geometry to one C(1), one Br(1), and one Br(2) atom. There are two inequivalent Br sites. In the first Br site, Br(1) is bonded in a distorted single-bond geometry to one Se(3) and one Se(4) atom. In the second Br site, Br(2) is bonded in a 2-coordinate geometry to one Se(1) and one Se(4) atom.
C(Se2Br)2 is Indium-like structured and crystallizes in the orthorhombic Pna2_1 space group. The structure is zero-dimensional and consists of four C(Se2Br)2 clusters. C(1) is bonded in a trigonal planar geometry to one Se(1), one Se(3), and one Se(4) atom. The C(1)-Se(1) bond length is 1.85 Å. The C(1)-Se(3) bond length is 1.84 Å. The C(1)-Se(4) bond length is 1.86 Å. There are four inequivalent Se sites. In the first Se site, Se(1) is bonded in a distorted T-shaped geometry to one C(1), one Se(2), and one Br(2) atom. The Se(1)-Se(2) bond length is 2.39 Å. The Se(1)-Br(2) bond length is 2.99 Å. In the second Se site, Se(2) is bonded in an L-shaped geometry to one Se(1) and one Se(3) atom. The Se(2)-Se(3) bond length is 2.39 Å. In the third Se site, Se(3) is bonded in a distorted T-shaped geometry to one C(1), one Se(2), and one Br(1) atom. The Se(3)-Br(1) bond length is 3.04 Å. In the fourth Se site, Se(4) is bonded in a T-shaped geometry to one C(1), one Br(1), and one Br(2) atom. The Se(4)-Br(1) bond length is 2.53 Å. The Se(4)-Br(2) bond length is 2.61 Å. There are two inequivalent Br sites. In the first Br site, Br(1) is bonded in a distorted single-bond geometry to one Se(3) and one Se(4) atom. In the second Br site, Br(2) is bonded in a 2-coordinate geometry to one Se(1) and one Se(4) atom.