Novel 1D and 2D Heterometallic Cu/Cd Complexes Comprising Unique Mixed-Anion Cd(Μ-Cl)(Μ-O(2)Cme)Cl(O(2)Cme)2-, Cd(Μ-O(2)Cme)2I(O2Cme)2-, Cd(Μ-I)(Μ-O(2)Cme)I(O(2)Cme)2- and Cd 2(Ncs)6(O(2)Cme2 2- Building Blocks: Synthesis from Elemental Copper, Structure and Magnetism