BaMgYCrCuO5 crystallizes in the monoclinic Pm space group. Ba(1) is bonded to two equivalent O(4) and two equivalent O(5) atoms to form distorted corner-sharing BaO4 tetrahedra. Mg(1) is bonded in a distorted trigonal planar geometry to one O(1) and two equivalent O(5) atoms. Y(1) is bonded in a 7-coordinate geometry to one O(4), two equivalent O(1), two equivalent O(2), and two equivalent O(3) atoms. Cr(1) is bonded in a rectangular see-saw-like geometry to two equivalent O(1) and two equivalent O(2) atoms. Cu(1) is bonded in a distorted rectangular see-saw-like geometry to two equivalent O(3) and two equivalent O(4) atoms. There are five inequivalent O sites. In the first O site, O(1) is bonded in a 5-coordinate geometry to one Mg(1), two equivalent Y(1), and two equivalent Cr(1) atoms. In the second O site, O(2) is bonded in a see-saw-like geometry to two equivalent Y(1) and two equivalent Cr(1) atoms. In the third O site, O(3) is bonded in a distorted see-saw-like geometry to two equivalent Y(1) and two equivalent Cu(1) atoms. In the fourth O site, O(4) is bonded in a 5-coordinate geometry to two equivalent Ba(1), one Y(1), and two equivalent Cu(1) atoms. In the fifth O site, O(5) is bonded to two equivalent Ba(1) and two equivalent Mg(1) atoms to form distorted corner-sharing OBa2Mg2 trigonal pyramids.
BaMgYCrCuO5 crystallizes in the monoclinic Pm space group. Ba(1) is bonded to two equivalent O(4) and two equivalent O(5) atoms to form distorted corner-sharing BaO4 tetrahedra. There is one shorter (2.55 Å) and one longer (2.57 Å) Ba(1)-O(4) bond length. Both Ba(1)-O(5) bond lengths are 2.76 Å. Mg(1) is bonded in a distorted trigonal planar geometry to one O(1) and two equivalent O(5) atoms. The Mg(1)-O(1) bond length is 1.94 Å. Both Mg(1)-O(5) bond lengths are 2.09 Å. Y(1) is bonded in a 7-coordinate geometry to one O(4), two equivalent O(1), two equivalent O(2), and two equivalent O(3) atoms. The Y(1)-O(4) bond length is 2.50 Å. Both Y(1)-O(1) bond lengths are 2.70 Å. There is one shorter (2.25 Å) and one longer (2.27 Å) Y(1)-O(2) bond length. Both Y(1)-O(3) bond lengths are 2.31 Å. Cr(1) is bonded in a rectangular see-saw-like geometry to two equivalent O(1) and two equivalent O(2) atoms. There is one shorter (1.99 Å) and one longer (2.00 Å) Cr(1)-O(1) bond length. Both Cr(1)-O(2) bond lengths are 2.06 Å. Cu(1) is bonded in a distorted rectangular see-saw-like geometry to two equivalent O(3) and two equivalent O(4) atoms. There is one shorter (2.04 Å) and one longer (2.06 Å) Cu(1)-O(3) bond length. Both Cu(1)-O(4) bond lengths are 2.04 Å. There are five inequivalent O sites. In the first O site, O(1) is bonded in a 5-coordinate geometry to one Mg(1), two equivalent Y(1), and two equivalent Cr(1) atoms. In the second O site, O(2) is bonded in a see-saw-like geometry to two equivalent Y(1) and two equivalent Cr(1) atoms. In the third O site, O(3) is bonded in a distorted see-saw-like geometry to two equivalent Y(1) and two equivalent Cu(1) atoms. In the fourth O site, O(4) is bonded in a 5-coordinate geometry to two equivalent Ba(1), one Y(1), and two equivalent Cu(1) atoms. In the fifth O site, O(5) is bonded to two equivalent Ba(1) and two equivalent Mg(1) atoms to form distorted corner-sharing OBa2Mg2 trigonal pyramids.