Potentiometric and Blood Plasma Simulation Studies of Nickel(II) Complexes of Poly(amino)amido Pentadentate Ligands: Computer Aided Metal-Based Drug Design

Table 1

Formation constants () for Ni(II) complexes of L1, L2, and L3, ,  mol dm⁻³ (NaCl), and C.

Ligand	Metal				()
L1	H^+	0	1	1	9.20 (0.01)	0.01	0.01
		0	1	2	17.88 (0.01)
		0	1	3	19.91 (0.03)
	Ni(II)	Model 1
		1	1	1	13.88 (0.01)	0.02	0.01
		1	1	−1	−1.82 (0.02)
		1	1	−2	−10.92 (0.02)
		Model 2
		1	1	0	6.08 (0.04)	0.04	0.02
		1	1	−1	−2.00 (0.04)
		1	1	−2	−10.94 (0.04)
L2	H^+	0	1	1	8.64 (0.01)	0.01	0.01
		0	1	2	16.72 (0.01)
		0	1	3	18.46 (0.06)
	Ni(II)	Model 1
		1	1	1	11.22 (0.07)	0.02	0.01
		1	1	−1	−4.99 (0.02)
		1	1	−2	−13.94 (0.01)
		Model 2
		1	1	0	2.17 (0.38)	0.02	0.01
		1	1	−1	−5.05 (0.02)
		1	1	−2	−13.99 (0.01)
L3	H^+	0	1	1	4.62 (0.01)	0.01	0.01
		0	1	2	8.13 (0.01)
		0	1	3	10.11 (0.05)
	Ni(II)	1	1	1	7.70 (0.08)	0.03	0.02
		1	1	0	3.69 (0.04)
		1	1	−1	−2.65 (0.04)
		1	1	−2	−9.84 (0.03)

denotes standard deviation in , and and are the Hamiltonian -factor and its limit. The general formula of a complex is .