Ba4La2Cu6O13 crystallizes in the orthorhombic Fmmm space group. Ba(1) is bonded in a 9-coordinate geometry to one O(1), one O(2), one O(5), two equivalent O(3), and four equivalent O(4) atoms. La(1) is bonded in a body-centered cubic geometry to two equivalent O(1), two equivalent O(2), and four equivalent O(3) atoms. There are two inequivalent Cu sites. In the first Cu site, Cu(1) is bonded to one O(1), one O(2), one O(4), and two equivalent O(3) atoms to form corner-sharing CuO5 square pyramids. In the second Cu site, Cu(2) is bonded in a T-shaped geometry to one O(5) and two equivalent O(4) atoms. There are five inequivalent O sites. In the first O site, O(5) is bonded in a distorted linear geometry to four equivalent Ba(1) and two equivalent Cu(2) atoms. In the second O site, O(1) is bonded to two equivalent Ba(1), two equivalent La(1), and two equivalent Cu(1) atoms to form a mixture of distorted edge and corner-sharing OBa2La2Cu2 octahedra. The corner-sharing octahedral tilt angles range from 0-11°. In the third O site, O(2) is bonded to two equivalent Ba(1), two equivalent La(1), and two equivalent Cu(1) atoms to form a mixture of distorted edge and corner-sharing OBa2La2Cu2 octahedra. The corner-sharing octahedral tilt angles range from 0-11°. In the fourth O site, O(3) is bonded in a 6-coordinate geometry to two equivalent Ba(1), two equivalent La(1), and two equivalent Cu(1) atoms. In the fifth O site, O(4) is bonded in a 6-coordinate geometry to four equivalent Ba(1), one Cu(1), and one Cu(2) atom.
Ba4La2Cu6O13 crystallizes in the orthorhombic Fmmm space group. Ba(1) is bonded in a 9-coordinate geometry to one O(1), one O(2), one O(5), two equivalent O(3), and four equivalent O(4) atoms. The Ba(1)-O(1) bond length is 2.87 Å. The Ba(1)-O(2) bond length is 2.97 Å. The Ba(1)-O(5) bond length is 2.96 Å. Both Ba(1)-O(3) bond lengths are 2.95 Å. There are two shorter (2.77 Å) and two longer (2.91 Å) Ba(1)-O(4) bond lengths. La(1) is bonded in a body-centered cubic geometry to two equivalent O(1), two equivalent O(2), and four equivalent O(3) atoms. Both La(1)-O(1) bond lengths are 2.53 Å. Both La(1)-O(2) bond lengths are 2.51 Å. All La(1)-O(3) bond lengths are 2.55 Å. There are two inequivalent Cu sites. In the first Cu site, Cu(1) is bonded to one O(1), one O(2), one O(4), and two equivalent O(3) atoms to form corner-sharing CuO5 square pyramids. The Cu(1)-O(1) bond length is 2.02 Å. The Cu(1)-O(2) bond length is 2.00 Å. The Cu(1)-O(4) bond length is 2.43 Å. Both Cu(1)-O(3) bond lengths are 1.97 Å. In the second Cu site, Cu(2) is bonded in a T-shaped geometry to one O(5) and two equivalent O(4) atoms. The Cu(2)-O(5) bond length is 1.90 Å. Both Cu(2)-O(4) bond lengths are 1.83 Å. There are five inequivalent O sites. In the first O site, O(5) is bonded in a distorted linear geometry to four equivalent Ba(1) and two equivalent Cu(2) atoms. In the second O site, O(1) is bonded to two equivalent Ba(1), two equivalent La(1), and two equivalent Cu(1) atoms to form a mixture of distorted edge and corner-sharing OBa2La2Cu2 octahedra. The corner-sharing octahedral tilt angles range from 0-11°. In the third O site, O(2) is bonded to two equivalent Ba(1), two equivalent La(1), and two equivalent Cu(1) atoms to form a mixture of distorted edge and corner-sharing OBa2La2Cu2 octahedra. The corner-sharing octahedral tilt angles range from 0-11°. In the fourth O site, O(3) is bonded in a 6-coordinate geometry to two equivalent Ba(1), two equivalent La(1), and two equivalent Cu(1) atoms. In the fifth O site, O(4) is bonded in a 6-coordinate geometry to four equivalent Ba(1), one Cu(1), and one Cu(2) atom.