Ba2MgCo2CuF14 crystallizes in the monoclinic C2/c space group. Ba(1) is bonded in a 10-coordinate geometry to one F(1), one F(4), one F(6), one F(7), two equivalent F(2), two equivalent F(3), and two equivalent F(5) atoms. Mg(1) is bonded in a 8-coordinate geometry to two equivalent F(1), two equivalent F(4), two equivalent F(5), and two equivalent F(6) atoms. Co(1) is bonded to one F(1), one F(2), one F(3), one F(5), one F(6), and one F(7) atom to form CoF6 octahedra that share corners with two equivalent Cu(1)F6 octahedra. The corner-sharing octahedral tilt angles range from 47-63°. Cu(1) is bonded to two equivalent F(2), two equivalent F(4), and two equivalent F(7) atoms to form CuF6 octahedra that share corners with four equivalent Co(1)F6 octahedra. The corner-sharing octahedral tilt angles range from 47-63°. There are seven inequivalent F sites. In the first F site, F(5) is bonded in a 4-coordinate geometry to two equivalent Ba(1), one Mg(1), and one Co(1) atom. In the second F site, F(6) is bonded in a 2-coordinate geometry to one Ba(1), one Mg(1), and one Co(1) atom. In the third F site, F(7) is bonded in a 2-coordinate geometry to one Ba(1), one Co(1), and one Cu(1) atom. In the fourth F site, F(1) is bonded in a 3-coordinate geometry to one Ba(1), one Mg(1), and one Co(1) atom. In the fifth F site, F(2) is bonded in a 4-coordinate geometry to two equivalent Ba(1), one Co(1), and one Cu(1) atom. In the sixth F site, F(3) is bonded in a distorted single-bond geometry to two equivalent Ba(1) and one Co(1) atom. In the seventh F site, F(4) is bonded in a 3-coordinate geometry to one Ba(1), one Mg(1), and one Cu(1) atom.
Ba2MgCo2CuF14 crystallizes in the monoclinic C2/c space group. Ba(1) is bonded in a 10-coordinate geometry to one F(1), one F(4), one F(6), one F(7), two equivalent F(2), two equivalent F(3), and two equivalent F(5) atoms. The Ba(1)-F(1) bond length is 2.82 Å. The Ba(1)-F(4) bond length is 2.77 Å. The Ba(1)-F(6) bond length is 2.94 Å. The Ba(1)-F(7) bond length is 2.91 Å. There is one shorter (2.71 Å) and one longer (2.84 Å) Ba(1)-F(2) bond length. There is one shorter (2.74 Å) and one longer (2.95 Å) Ba(1)-F(3) bond length. There is one shorter (2.68 Å) and one longer (2.77 Å) Ba(1)-F(5) bond length. Mg(1) is bonded in a 8-coordinate geometry to two equivalent F(1), two equivalent F(4), two equivalent F(5), and two equivalent F(6) atoms. Both Mg(1)-F(1) bond lengths are 2.23 Å. Both Mg(1)-F(4) bond lengths are 2.09 Å. Both Mg(1)-F(5) bond lengths are 2.59 Å. Both Mg(1)-F(6) bond lengths are 2.10 Å. Co(1) is bonded to one F(1), one F(2), one F(3), one F(5), one F(6), and one F(7) atom to form CoF6 octahedra that share corners with two equivalent Cu(1)F6 octahedra. The corner-sharing octahedral tilt angles range from 47-63°. The Co(1)-F(1) bond length is 1.86 Å. The Co(1)-F(2) bond length is 1.98 Å. The Co(1)-F(3) bond length is 1.86 Å. The Co(1)-F(5) bond length is 1.97 Å. The Co(1)-F(6) bond length is 1.96 Å. The Co(1)-F(7) bond length is 1.97 Å. Cu(1) is bonded to two equivalent F(2), two equivalent F(4), and two equivalent F(7) atoms to form CuF6 octahedra that share corners with four equivalent Co(1)F6 octahedra. The corner-sharing octahedral tilt angles range from 47-63°. Both Cu(1)-F(2) bond lengths are 2.41 Å. Both Cu(1)-F(4) bond lengths are 1.92 Å. Both Cu(1)-F(7) bond lengths are 1.96 Å. There are seven inequivalent F sites. In the first F site, F(5) is bonded in a 4-coordinate geometry to two equivalent Ba(1), one Mg(1), and one Co(1) atom. In the second F site, F(6) is bonded in a 2-coordinate geometry to one Ba(1), one Mg(1), and one Co(1) atom. In the third F site, F(7) is bonded in a 2-coordinate geometry to one Ba(1), one Co(1), and one Cu(1) atom. In the fourth F site, F(1) is bonded in a 3-coordinate geometry to one Ba(1), one Mg(1), and one Co(1) atom. In the fifth F site, F(2) is bonded in a 4-coordinate geometry to two equivalent Ba(1), one Co(1), and one Cu(1) atom. In the sixth F site, F(3) is bonded in a distorted single-bond geometry to two equivalent Ba(1) and one Co(1) atom. In the seventh F site, F(4) is bonded in a 3-coordinate geometry to one Ba(1), one Mg(1), and one Cu(1) atom.