MgMo2(OCl4)2 crystallizes in the triclinic P1 space group. Mg(1) is bonded to one Cl(1), one Cl(3), one Cl(5), one Cl(6), and one Cl(7) atom to form MgCl5 trigonal bipyramids that share corners with two equivalent Mo(1)Cl4O trigonal bipyramids. There are two inequivalent Mo sites. In the first Mo site, Mo(1) is bonded to one O(2), one Cl(1), one Cl(4), one Cl(6), and one Cl(8) atom to form distorted MoCl4O trigonal bipyramids that share corners with two equivalent Mg(1)Cl5 trigonal bipyramids. In the second Mo site, Mo(2) is bonded in a 6-coordinate geometry to one O(1), one Cl(2), one Cl(3), one Cl(5), one Cl(7), and one Cl(8) atom. There are two inequivalent O sites. In the first O site, O(1) is bonded in a single-bond geometry to one Mo(2) atom. In the second O site, O(2) is bonded in a single-bond geometry to one Mo(1) atom. There are eight inequivalent Cl sites. In the first Cl site, Cl(1) is bonded in a bent 150 degrees geometry to one Mg(1) and one Mo(1) atom. In the second Cl site, Cl(2) is bonded in a single-bond geometry to one Mo(2) atom. In the third Cl site, Cl(3) is bonded in a distorted bent 120 degrees geometry to one Mg(1) and one Mo(2) atom. In the fourth Cl site, Cl(4) is bonded in a single-bond geometry to one Mo(1) atom. In the fifth Cl site, Cl(5) is bonded in a distorted bent 150 degrees geometry to one Mg(1) and one Mo(2) atom. In the sixth Cl site, Cl(6) is bonded in a bent 120 degrees geometry to one Mg(1) and one Mo(1) atom. In the seventh Cl site, Cl(7) is bonded in a bent 120 degrees geometry to one Mg(1) and one Mo(2) atom. In the eighth Cl site, Cl(8) is bonded in a bent 120 degrees geometry to one Mo(1) and one Mo(2) atom.
MgMo2(OCl4)2 crystallizes in the triclinic P1 space group. Mg(1) is bonded to one Cl(1), one Cl(3), one Cl(5), one Cl(6), and one Cl(7) atom to form MgCl5 trigonal bipyramids that share corners with two equivalent Mo(1)Cl4O trigonal bipyramids. The Mg(1)-Cl(1) bond length is 2.49 Å. The Mg(1)-Cl(3) bond length is 2.49 Å. The Mg(1)-Cl(5) bond length is 2.42 Å. The Mg(1)-Cl(6) bond length is 2.56 Å. The Mg(1)-Cl(7) bond length is 2.50 Å. There are two inequivalent Mo sites. In the first Mo site, Mo(1) is bonded to one O(2), one Cl(1), one Cl(4), one Cl(6), and one Cl(8) atom to form distorted MoCl4O trigonal bipyramids that share corners with two equivalent Mg(1)Cl5 trigonal bipyramids. The Mo(1)-O(2) bond length is 1.69 Å. The Mo(1)-Cl(1) bond length is 2.44 Å. The Mo(1)-Cl(4) bond length is 2.31 Å. The Mo(1)-Cl(6) bond length is 2.44 Å. The Mo(1)-Cl(8) bond length is 2.39 Å. In the second Mo site, Mo(2) is bonded in a 6-coordinate geometry to one O(1), one Cl(2), one Cl(3), one Cl(5), one Cl(7), and one Cl(8) atom. The Mo(2)-O(1) bond length is 1.69 Å. The Mo(2)-Cl(2) bond length is 2.30 Å. The Mo(2)-Cl(3) bond length is 2.44 Å. The Mo(2)-Cl(5) bond length is 2.49 Å. The Mo(2)-Cl(7) bond length is 2.46 Å. The Mo(2)-Cl(8) bond length is 2.92 Å. There are two inequivalent O sites. In the first O site, O(1) is bonded in a single-bond geometry to one Mo(2) atom. In the second O site, O(2) is bonded in a single-bond geometry to one Mo(1) atom. There are eight inequivalent Cl sites. In the first Cl site, Cl(1) is bonded in a bent 150 degrees geometry to one Mg(1) and one Mo(1) atom. In the second Cl site, Cl(2) is bonded in a single-bond geometry to one Mo(2) atom. In the third Cl site, Cl(3) is bonded in a distorted bent 120 degrees geometry to one Mg(1) and one Mo(2) atom. In the fourth Cl site, Cl(4) is bonded in a single-bond geometry to one Mo(1) atom. In the fifth Cl site, Cl(5) is bonded in a distorted bent 150 degrees geometry to one Mg(1) and one Mo(2) atom. In the sixth Cl site, Cl(6) is bonded in a bent 120 degrees geometry to one Mg(1) and one Mo(1) atom. In the seventh Cl site, Cl(7) is bonded in a bent 120 degrees geometry to one Mg(1) and one Mo(2) atom. In the eighth Cl site, Cl(8) is bonded in a bent 120 degrees geometry to one Mo(1) and one Mo(2) atom.