Ba2MgWCoO6 crystallizes in the triclinic P1 space group. There are two inequivalent Ba sites. In the first Ba site, Ba(1) is bonded in a 10-coordinate geometry to one Co(1), one O(1), one O(3), one O(5), two equivalent O(2), two equivalent O(4), and two equivalent O(6) atoms. In the second Ba site, Ba(2) is bonded in a 9-coordinate geometry to one O(2), one O(4), one O(6), two equivalent O(1), two equivalent O(3), and two equivalent O(5) atoms. Mg(1) is bonded in a distorted trigonal non-coplanar geometry to one O(2), one O(4), and one O(6) atom. W(1) is bonded in an octahedral geometry to one O(1), one O(2), one O(3), one O(4), one O(5), and one O(6) atom. Co(1) is bonded in a distorted trigonal planar geometry to one Ba(1), one O(1), one O(3), and one O(5) atom. There are six inequivalent O sites. In the first O site, O(1) is bonded in a distorted linear geometry to one Ba(1), two equivalent Ba(2), one W(1), and one Co(1) atom. In the second O site, O(2) is bonded in a 5-coordinate geometry to one Ba(2), two equivalent Ba(1), one Mg(1), and one W(1) atom. In the third O site, O(3) is bonded in a 5-coordinate geometry to one Ba(1), two equivalent Ba(2), one W(1), and one Co(1) atom. In the fourth O site, O(4) is bonded in a 5-coordinate geometry to one Ba(2), two equivalent Ba(1), one Mg(1), and one W(1) atom. In the fifth O site, O(5) is bonded in a 5-coordinate geometry to one Ba(1), two equivalent Ba(2), one W(1), and one Co(1) atom. In the sixth O site, O(6) is bonded in a 2-coordinate geometry to one Ba(2), two equivalent Ba(1), one Mg(1), and one W(1) atom.
Ba2MgWCoO6 crystallizes in the triclinic P1 space group. There are two inequivalent Ba sites. In the first Ba site, Ba(1) is bonded in a 10-coordinate geometry to one Co(1), one O(1), one O(3), one O(5), two equivalent O(2), two equivalent O(4), and two equivalent O(6) atoms. The Ba(1)-Co(1) bond length is 3.04 Å. The Ba(1)-O(1) bond length is 2.84 Å. The Ba(1)-O(3) bond length is 2.74 Å. The Ba(1)-O(5) bond length is 2.74 Å. There is one shorter (2.81 Å) and one longer (3.16 Å) Ba(1)-O(2) bond length. There is one shorter (2.81 Å) and one longer (3.16 Å) Ba(1)-O(4) bond length. Both Ba(1)-O(6) bond lengths are 3.18 Å. In the second Ba site, Ba(2) is bonded in a 9-coordinate geometry to one O(2), one O(4), one O(6), two equivalent O(1), two equivalent O(3), and two equivalent O(5) atoms. The Ba(2)-O(2) bond length is 2.77 Å. The Ba(2)-O(4) bond length is 2.77 Å. The Ba(2)-O(6) bond length is 2.84 Å. There is one shorter (3.18 Å) and one longer (3.20 Å) Ba(2)-O(1) bond length. There is one shorter (2.87 Å) and one longer (3.10 Å) Ba(2)-O(3) bond length. There is one shorter (2.88 Å) and one longer (3.09 Å) Ba(2)-O(5) bond length. Mg(1) is bonded in a distorted trigonal non-coplanar geometry to one O(2), one O(4), and one O(6) atom. The Mg(1)-O(2) bond length is 1.94 Å. The Mg(1)-O(4) bond length is 1.94 Å. The Mg(1)-O(6) bond length is 1.95 Å. W(1) is bonded in an octahedral geometry to one O(1), one O(2), one O(3), one O(4), one O(5), and one O(6) atom. The W(1)-O(1) bond length is 1.93 Å. The W(1)-O(2) bond length is 2.07 Å. The W(1)-O(3) bond length is 2.08 Å. The W(1)-O(4) bond length is 2.07 Å. The W(1)-O(5) bond length is 2.08 Å. The W(1)-O(6) bond length is 1.97 Å. Co(1) is bonded in a distorted trigonal planar geometry to one Ba(1), one O(1), one O(3), and one O(5) atom. The Co(1)-O(1) bond length is 1.94 Å. The Co(1)-O(3) bond length is 1.90 Å. The Co(1)-O(5) bond length is 1.90 Å. There are six inequivalent O sites. In the first O site, O(1) is bonded in a distorted linear geometry to one Ba(1), two equivalent Ba(2), one W(1), and one Co(1) atom. In the second O site, O(2) is bonded in a 5-coordinate geometry to one Ba(2), two equivalent Ba(1), one Mg(1), and one W(1) atom. In the third O site, O(3) is bonded in a 5-coordinate geometry to one Ba(1), two equivalent Ba(2), one W(1), and one Co(1) atom. In the fourth O site, O(4) is bonded in a 5-coordinate geometry to one Ba(2), two equivalent Ba(1), one Mg(1), and one W(1) atom. In the fifth O site, O(5) is bonded in a 5-coordinate geometry to one Ba(1), two equivalent Ba(2), one W(1), and one Co(1) atom. In the sixth O site, O(6) is bonded in a 2-coordinate geometry to one Ba(2), two equivalent Ba(1), one Mg(1), and one W(1) atom.