A novel ligand N,N′-di(2-pyridyl)-2,4-diamino-6-phenyl-1,3,5-triazine (dpdapt) and its complexes: [Cu(dpdapt)Cl2] and [Cu(dpdapt)(NO3)(H2O)] · NO3 · H2O

A new ligand, dpdapt, and two crystalline polymorphic forms, [Cu(dpdapt)Cl2] (1) and [Cu(dpdapt)(NO3)(H2O)] · NO3 · H2O (2), have been synthesized. The molecular structures of 1 and 2 were established by single-crystal X-ray diffraction studies. DFT calculations have been used to gain some insight about the coordination behavior of dpdapt and complex 1.