“…[17][18][19] Not only Cu, nickel (Ni) complexes are also still emerging in this respect because of its exciting structural aspects, low cost, low toxicity and easy availability. 20,21 Herein, we have reported the syntheses of Cu(II) and Ni(II) complexes containing Schiff base ligand of 2hydroxybenzaldehyde and N-methyl-propane 1,3-diamine along with their characterizations through several experimental and theoretical approaches.…”