The Cu（Ⅱ）complexes of 2-aminopyrimidine were synthesized and characterized by elemental analyses,TG-DTG.The dissolution enthalpies of the[AP（s）+CuCl2·2H2O（s）]and Cu（AP） Cl2（s）in 100.00 mL 2 mol.L-1HCl ...The Cu（Ⅱ）complexes of 2-aminopyrimidine were synthesized and characterized by elemental analyses,TG-DTG.The dissolution enthalpies of the[AP（s）+CuCl2·2H2O（s）]and Cu（AP） Cl2（s）in 100.00 mL 2 mol.L-1HCl solution were measured at 298.15 K by classical solution calorimetry.The standard molar reaction enthalpy of the coondination reaction of 2-aminopyrimidine with Cu（Ⅱ）has been determined by a thermochemical cycle(ΔrH<sup>○-m=-1.92±0.27kJ·mol-1).From the result,the standard molar enthalpy of formation ΔfH<sup>○-m[Cu（AP）Cl2,s,298.15K] of Cu（AP）Cl2 has been calculated to be-297.46±1.72kJ·mol-1.展开更多
文摘The Cu（Ⅱ）complexes of 2-aminopyrimidine were synthesized and characterized by elemental analyses,TG-DTG.The dissolution enthalpies of the[AP（s）+CuCl2·2H2O（s）]and Cu（AP） Cl2（s）in 100.00 mL 2 mol.L-1HCl solution were measured at 298.15 K by classical solution calorimetry.The standard molar reaction enthalpy of the coondination reaction of 2-aminopyrimidine with Cu（Ⅱ）has been determined by a thermochemical cycle(ΔrH<sup>○-m=-1.92±0.27kJ·mol-1).From the result,the standard molar enthalpy of formation ΔfH<sup>○-m[Cu（AP）Cl2,s,298.15K] of Cu（AP）Cl2 has been calculated to be-297.46±1.72kJ·mol-1.
