Rb2MgMo2P2(O5Cl)2 crystallizes in the monoclinic Cm space group. Rb(1) is bonded in a 8-coordinate geometry to one O(2), one O(3), one O(4), one O(5), two equivalent Cl(1), and two equivalent Cl(2) atoms. Mg(1) is bonded in a 5-coordinate geometry to one O(6), two equivalent O(1), one Cl(1), and one Cl(2) atom. There are two inequivalent Mo sites. In the first Mo site, Mo(1) is bonded in a 6-coordinate geometry to one O(2), two equivalent O(1), two equivalent O(3), and one Cl(2) atom. In the second Mo site, Mo(2) is bonded in a 5-coordinate geometry to one O(6), two equivalent O(4), two equivalent O(5), and one Cl(1) atom. P(1) is bonded in a tetrahedral geometry to one O(1), one O(3), one O(4), and one O(5) atom. There are six inequivalent O sites. In the first O site, O(1) is bonded in a 3-coordinate geometry to one Mg(1), one Mo(1), and one P(1) atom. In the second O site, O(2) is bonded in a distorted single-bond geometry to two equivalent Rb(1) and one Mo(1) atom. In the third O site, O(3) is bonded in a 2-coordinate geometry to one Rb(1), one Mo(1), and one P(1) atom. In the fourth O site, O(4) is bonded in a 3-coordinate geometry to one Rb(1), one Mo(2), and one P(1) atom. In the fifth O site, O(5) is bonded in a 2-coordinate geometry to one Rb(1), one Mo(2), and one P(1) atom. In the sixth O site, O(6) is bonded in a bent 120 degrees geometry to one Mg(1) and one Mo(2) atom. There are two inequivalent Cl sites. In the first Cl site, Cl(1) is bonded in a 6-coordinate geometry to four equivalent Rb(1), one Mg(1), and one Mo(2) atom. In the second Cl site, Cl(2) is bonded in a 6-coordinate geometry to four equivalent Rb(1), one Mg(1), and one Mo(1) atom.
Rb2MgMo2P2(O5Cl)2 crystallizes in the monoclinic Cm space group. Rb(1) is bonded in a 8-coordinate geometry to one O(2), one O(3), one O(4), one O(5), two equivalent Cl(1), and two equivalent Cl(2) atoms. The Rb(1)-O(2) bond length is 2.97 Å. The Rb(1)-O(3) bond length is 3.29 Å. The Rb(1)-O(4) bond length is 2.82 Å. The Rb(1)-O(5) bond length is 3.28 Å. There is one shorter (3.42 Å) and one longer (3.51 Å) Rb(1)-Cl(1) bond length. There is one shorter (3.47 Å) and one longer (3.59 Å) Rb(1)-Cl(2) bond length. Mg(1) is bonded in a 5-coordinate geometry to one O(6), two equivalent O(1), one Cl(1), and one Cl(2) atom. The Mg(1)-O(6) bond length is 1.98 Å. Both Mg(1)-O(1) bond lengths are 2.03 Å. The Mg(1)-Cl(1) bond length is 2.42 Å. The Mg(1)-Cl(2) bond length is 2.63 Å. There are two inequivalent Mo sites. In the first Mo site, Mo(1) is bonded in a 6-coordinate geometry to one O(2), two equivalent O(1), two equivalent O(3), and one Cl(2) atom. The Mo(1)-O(2) bond length is 1.80 Å. Both Mo(1)-O(1) bond lengths are 2.19 Å. Both Mo(1)-O(3) bond lengths are 2.10 Å. The Mo(1)-Cl(2) bond length is 2.71 Å. In the second Mo site, Mo(2) is bonded in a 5-coordinate geometry to one O(6), two equivalent O(4), two equivalent O(5), and one Cl(1) atom. The Mo(2)-O(6) bond length is 1.84 Å. Both Mo(2)-O(4) bond lengths are 2.12 Å. Both Mo(2)-O(5) bond lengths are 2.11 Å. The Mo(2)-Cl(1) bond length is 2.73 Å. P(1) is bonded in a tetrahedral geometry to one O(1), one O(3), one O(4), and one O(5) atom. The P(1)-O(1) bond length is 1.58 Å. The P(1)-O(3) bond length is 1.55 Å. The P(1)-O(4) bond length is 1.55 Å. The P(1)-O(5) bond length is 1.53 Å. There are six inequivalent O sites. In the first O site, O(1) is bonded in a 3-coordinate geometry to one Mg(1), one Mo(1), and one P(1) atom. In the second O site, O(2) is bonded in a distorted single-bond geometry to two equivalent Rb(1) and one Mo(1) atom. In the third O site, O(3) is bonded in a 2-coordinate geometry to one Rb(1), one Mo(1), and one P(1) atom. In the fourth O site, O(4) is bonded in a 3-coordinate geometry to one Rb(1), one Mo(2), and one P(1) atom. In the fifth O site, O(5) is bonded in a 2-coordinate geometry to one Rb(1), one Mo(2), and one P(1) atom. In the sixth O site, O(6) is bonded in a bent 120 degrees geometry to one Mg(1) and one Mo(2) atom. There are two inequivalent Cl sites. In the first Cl site, Cl(1) is bonded in a 6-coordinate geometry to four equivalent Rb(1), one Mg(1), and one Mo(2) atom. In the second Cl site, Cl(2) is bonded in a 6-coordinate geometry to four equivalent Rb(1), one Mg(1), and one Mo(1) atom.