Binuclear Nickel(II) Complexes Based on Bridging Oxalate and Pseudohalides as Peripheral Ligands: Synthesis, Crystal Structure, DFT Calculations and Magnetic Properties of [Ni(X)(dien)2(μ-ox)]·nH2O Complexes (X = N3−, NCS−,n= 0; NCO−,n= 1) | Publicación