Research Article

Synthesis and Biological Evaluation of Novel Zn(II) and Cd(II) Schiff Base Complexes as Antimicrobial, Antifungal, and Antioxidant Agents

Table 9

Thermodynamic parameters for Zn(II) and Cd(II) complexes in 50% DMSO-H2O (V/V) solution at I = 0.1 mol·dm−3 NaNO3.

ParameteraReaction
Zn + L = ZnLZn + 2L = ZnL2Cd + L = CdLCd + 2L = CdL2
288293298288293298288293298288293298

ΔG48.6649.8450.9213.3513.4713.6356.2257.2658.5317.7717.9818.23
ΔH16.149.3622.9911.06
ΔS112.7713.84115.1923.26

ΔG, Gibbs energy/kJ·mol−1; ΔH, enthalpy/kJ·mol−1; ΔS, entropy/J·mol−1·K−1.