MgCu4H6(O3Cl)2 crystallizes in the triclinic P1 space group. Mg(1) is bonded in a distorted rectangular see-saw-like geometry to one O(1), one O(2), one O(6), and one Cl(1) atom. There are four inequivalent Cu sites. In the first Cu site, Cu(1) is bonded in a distorted trigonal planar geometry to one O(4), one O(5), and one Cl(2) atom. In the second Cu site, Cu(2) is bonded in a distorted rectangular see-saw-like geometry to one O(2), one O(3), one O(5), and one O(6) atom. In the third Cu site, Cu(3) is bonded in a distorted rectangular see-saw-like geometry to one O(1), one O(2), one O(3), and one O(4) atom. In the fourth Cu site, Cu(4) is bonded in a distorted square pyramidal geometry to one O(1), one O(4), one O(5), one O(6), and one Cl(1) atom. There are six inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one O(5) and one Cl(1) atom. In the second H site, H(2) is bonded in a single-bond geometry to one O(3) atom. In the third H site, H(3) is bonded in a single-bond geometry to one O(2) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one O(4) and one Cl(1) atom. In the fifth H site, H(5) is bonded in a single-bond geometry to one O(6) atom. In the sixth H site, H(6) is bonded in a single-bond geometry to one O(1) atom. There are six inequivalent O sites. In the first O site, O(1) is bonded in a distorted single-bond geometry to one Mg(1), one Cu(3), one Cu(4), and one H(6) atom. In the second O site, O(2) is bonded in a distorted single-bond geometry to one Mg(1), one Cu(2), one Cu(3), and one H(3) atom. In the third O site, O(3) is bonded in a distorted trigonal non-coplanar geometry to one Cu(2), one Cu(3), and one H(2) atom. In the fourth O site, O(4) is bonded in a distorted single-bond geometry to one Cu(1), one Cu(3), one Cu(4), and one H(4) atom. In the fifth O site, O(5) is bonded in a distorted single-bond geometry to one Cu(1), one Cu(2), one Cu(4), and one H(1) atom. In the sixth O site, O(6) is bonded in a distorted single-bond geometry to one Mg(1), one Cu(2), one Cu(4), and one H(5) atom. There are two inequivalent Cl sites. In the first Cl site, Cl(1) is bonded in a 4-coordinate geometry to one Mg(1), one Cu(4), one H(1), and one H(4) atom. In the second Cl site, Cl(2) is bonded in a distorted single-bond geometry to one Cu(1) atom.
MgCu4H6(O3Cl)2 crystallizes in the triclinic P1 space group. Mg(1) is bonded in a distorted rectangular see-saw-like geometry to one O(1), one O(2), one O(6), and one Cl(1) atom. The Mg(1)-O(1) bond length is 2.01 Å. The Mg(1)-O(2) bond length is 2.00 Å. The Mg(1)-O(6) bond length is 2.01 Å. The Mg(1)-Cl(1) bond length is 2.49 Å. There are four inequivalent Cu sites. In the first Cu site, Cu(1) is bonded in a distorted trigonal planar geometry to one O(4), one O(5), and one Cl(2) atom. The Cu(1)-O(4) bond length is 1.96 Å. The Cu(1)-O(5) bond length is 1.97 Å. The Cu(1)-Cl(2) bond length is 2.31 Å. In the second Cu site, Cu(2) is bonded in a distorted rectangular see-saw-like geometry to one O(2), one O(3), one O(5), and one O(6) atom. The Cu(2)-O(2) bond length is 2.21 Å. The Cu(2)-O(3) bond length is 1.97 Å. The Cu(2)-O(5) bond length is 2.03 Å. The Cu(2)-O(6) bond length is 2.01 Å. In the third Cu site, Cu(3) is bonded in a distorted rectangular see-saw-like geometry to one O(1), one O(2), one O(3), and one O(4) atom. The Cu(3)-O(1) bond length is 2.00 Å. The Cu(3)-O(2) bond length is 2.13 Å. The Cu(3)-O(3) bond length is 1.95 Å. The Cu(3)-O(4) bond length is 2.02 Å. In the fourth Cu site, Cu(4) is bonded in a distorted square pyramidal geometry to one O(1), one O(4), one O(5), one O(6), and one Cl(1) atom. The Cu(4)-O(1) bond length is 2.10 Å. The Cu(4)-O(4) bond length is 2.07 Å. The Cu(4)-O(5) bond length is 2.05 Å. The Cu(4)-O(6) bond length is 2.11 Å. The Cu(4)-Cl(1) bond length is 2.72 Å. There are six inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one O(5) and one Cl(1) atom. The H(1)-O(5) bond length is 0.99 Å. The H(1)-Cl(1) bond length is 2.15 Å. In the second H site, H(2) is bonded in a single-bond geometry to one O(3) atom. The H(2)-O(3) bond length is 0.98 Å. In the third H site, H(3) is bonded in a single-bond geometry to one O(2) atom. The H(3)-O(2) bond length is 0.98 Å. In the fourth H site, H(4) is bonded in a single-bond geometry to one O(4) and one Cl(1) atom. The H(4)-O(4) bond length is 0.99 Å. The H(4)-Cl(1) bond length is 2.13 Å. In the fifth H site, H(5) is bonded in a single-bond geometry to one O(6) atom. The H(5)-O(6) bond length is 0.98 Å. In the sixth H site, H(6) is bonded in a single-bond geometry to one O(1) atom. The H(6)-O(1) bond length is 0.98 Å. There are six inequivalent O sites. In the first O site, O(1) is bonded in a distorted single-bond geometry to one Mg(1), one Cu(3), one Cu(4), and one H(6) atom. In the second O site, O(2) is bonded in a distorted single-bond geometry to one Mg(1), one Cu(2), one Cu(3), and one H(3) atom. In the third O site, O(3) is bonded in a distorted trigonal non-coplanar geometry to one Cu(2), one Cu(3), and one H(2) atom. In the fourth O site, O(4) is bonded in a distorted single-bond geometry to one Cu(1), one Cu(3), one Cu(4), and one H(4) atom. In the fifth O site, O(5) is bonded in a distorted single-bond geometry to one Cu(1), one Cu(2), one Cu(4), and one H(1) atom. In the sixth O site, O(6) is bonded in a distorted single-bond geometry to one Mg(1), one Cu(2), one Cu(4), and one H(5) atom. There are two inequivalent Cl sites. In the first Cl site, Cl(1) is bonded in a 4-coordinate geometry to one Mg(1), one Cu(4), one H(1), and one H(4) atom. In the second Cl site, Cl(2) is bonded in a distorted single-bond geometry to one Cu(1) atom.