By carrying out a metathetic reaction between sodium succinate and CdCl2 or CdBr2 in an n-butanol-water mixture, two novel open-framework cadmium succinates, [Na3Cd5(C4H4O4)(6)Cl], I and {Na3Cd5(C4H4O4)(6)Br], II, have been isolated. Both of these compounds possess interpenetrating three-dimensional open-framework structures wherein tetrahedral Cl(Br)Cd4O24 clusters are connected by succinate linkages. The tetrahedral cluster itself is formed of four CdO6 octahedra surrounding a halogen atom. The three-dimensional cadmium succinate framework incorporates sodium ions. Four sodiums surround the second nearest neighbor halogen atom, forming a Na4Cl(Br) tetrahedron.
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