Spectra-structure relationship: Syntheses, characterization, single crystal X-ray structural studies and packing analyses of two novel copper(II) complexes: [Cu(pyridine)2(H2O)4](p-toluenesulfonate)2 and [Cu(β-picoline)2(H2O)4](p-toluenesulfonate)2
Keywords: Copper(II); Coordination chemistry; Pyridine; β-Picoline; p-Toluenesulfonate;