Research Article

Synthesis, Structure, and Biologic Activity of Some Copper, Nickel, Cobalt, and Zinc Complexes with 2-Formylpyridine N4-Allylthiosemicarbazone

Figure 4

Electrostatic potentials mapped on the molecular surfaces of (a) HL, (b) HLa, (c) HLb, (d) 4, and (e) 5 . The values of MEPs range from −31.7 to 31.7 kcal/mol.