BaCu2Te2(O3Cl)2 crystallizes in the monoclinic P2_1 space group. Ba(1) is bonded in a 8-coordinate geometry to one O(1), one O(2), two equivalent O(5), two equivalent O(6), and two equivalent Cl(2) atoms. There are two inequivalent Cu sites. In the first Cu site, Cu(1) is bonded in a distorted rectangular see-saw-like geometry to one O(1), one O(4), one O(5), and one O(6) atom. In the second Cu site, Cu(2) is bonded in a 5-coordinate geometry to one O(2), one O(3), one O(4), one Cl(1), and one Cl(2) atom. There are two inequivalent Te sites. In the first Te site, Te(1) is bonded in a distorted T-shaped geometry to one O(2), one O(3), and one O(6) atom. In the second Te site, Te(2) is bonded in a distorted see-saw-like geometry to one O(1), one O(3), one O(4), and one O(5) atom. There are six inequivalent O sites. In the first O site, O(1) is bonded in a distorted trigonal planar geometry to one Ba(1), one Cu(1), and one Te(2) atom. In the second O site, O(2) is bonded in a distorted trigonal planar geometry to one Ba(1), one Cu(2), and one Te(1) atom. In the third O site, O(3) is bonded in a 3-coordinate geometry to one Cu(2), one Te(1), and one Te(2) atom. In the fourth O site, O(4) is bonded in a trigonal planar geometry to one Cu(1), one Cu(2), and one Te(2) atom. In the fifth O site, O(5) is bonded to two equivalent Ba(1), one Cu(1), and one Te(2) atom to form distorted corner-sharing OBa2CuTe tetrahedra. In the sixth O site, O(6) is bonded in a distorted bent 120 degrees geometry to two equivalent Ba(1), one Cu(1), and one Te(1) atom. There are two inequivalent Cl sites. In the first Cl site, Cl(1) is bonded in a single-bond geometry to one Cu(2) atom. In the second Cl site, Cl(2) is bonded in a T-shaped geometry to two equivalent Ba(1) and one Cu(2) atom.
BaCu2Te2(O3Cl)2 crystallizes in the monoclinic P2_1 space group. Ba(1) is bonded in a 8-coordinate geometry to one O(1), one O(2), two equivalent O(5), two equivalent O(6), and two equivalent Cl(2) atoms. The Ba(1)-O(1) bond length is 2.62 Å. The Ba(1)-O(2) bond length is 2.90 Å. There is one shorter (2.80 Å) and one longer (2.82 Å) Ba(1)-O(5) bond length. There is one shorter (2.88 Å) and one longer (3.06 Å) Ba(1)-O(6) bond length. There is one shorter (3.09 Å) and one longer (3.22 Å) Ba(1)-Cl(2) bond length. There are two inequivalent Cu sites. In the first Cu site, Cu(1) is bonded in a distorted rectangular see-saw-like geometry to one O(1), one O(4), one O(5), and one O(6) atom. The Cu(1)-O(1) bond length is 1.95 Å. The Cu(1)-O(4) bond length is 1.97 Å. The Cu(1)-O(5) bond length is 2.02 Å. The Cu(1)-O(6) bond length is 1.96 Å. In the second Cu site, Cu(2) is bonded in a 5-coordinate geometry to one O(2), one O(3), one O(4), one Cl(1), and one Cl(2) atom. The Cu(2)-O(2) bond length is 1.96 Å. The Cu(2)-O(3) bond length is 2.02 Å. The Cu(2)-O(4) bond length is 1.97 Å. The Cu(2)-Cl(1) bond length is 2.32 Å. The Cu(2)-Cl(2) bond length is 2.79 Å. There are two inequivalent Te sites. In the first Te site, Te(1) is bonded in a distorted T-shaped geometry to one O(2), one O(3), and one O(6) atom. The Te(1)-O(2) bond length is 1.90 Å. The Te(1)-O(3) bond length is 1.93 Å. The Te(1)-O(6) bond length is 1.92 Å. In the second Te site, Te(2) is bonded in a distorted see-saw-like geometry to one O(1), one O(3), one O(4), and one O(5) atom. The Te(2)-O(1) bond length is 1.93 Å. The Te(2)-O(3) bond length is 2.36 Å. The Te(2)-O(4) bond length is 1.95 Å. The Te(2)-O(5) bond length is 1.94 Å. There are six inequivalent O sites. In the first O site, O(1) is bonded in a distorted trigonal planar geometry to one Ba(1), one Cu(1), and one Te(2) atom. In the second O site, O(2) is bonded in a distorted trigonal planar geometry to one Ba(1), one Cu(2), and one Te(1) atom. In the third O site, O(3) is bonded in a 3-coordinate geometry to one Cu(2), one Te(1), and one Te(2) atom. In the fourth O site, O(4) is bonded in a trigonal planar geometry to one Cu(1), one Cu(2), and one Te(2) atom. In the fifth O site, O(5) is bonded to two equivalent Ba(1), one Cu(1), and one Te(2) atom to form distorted corner-sharing OBa2CuTe tetrahedra. In the sixth O site, O(6) is bonded in a distorted bent 120 degrees geometry to two equivalent Ba(1), one Cu(1), and one Te(1) atom. There are two inequivalent Cl sites. In the first Cl site, Cl(1) is bonded in a single-bond geometry to one Cu(2) atom. In the second Cl site, Cl(2) is bonded in a T-shaped geometry to two equivalent Ba(1) and one Cu(2) atom.