The enthalpy of coordination reaction of manganese chloride with p toluidime has been determined by solution calorimetry in a new model isoperibol reaction calorimeter.The calorimetric solvent is a solution consisting...The enthalpy of coordination reaction of manganese chloride with p toluidime has been determined by solution calorimetry in a new model isoperibol reaction calorimeter.The calorimetric solvent is a solution consisting of 3.0 mol·L -1 HCl and ethyl alcohol absolute.A new thermochemical cycle has been designed to determine the standard enthalpy of formation for Mn(p tol) 2Cl 2.According to the results,we obtained the values: Δ r H m=19.149kJ·mol -1 ,Δ f H m[Mn(p tol) 2Cl 2,s]=-590.748kJ·mol展开更多
A new tailed phenylalanine tetraphenylporphinatozinc(Ⅱ),5 (p phenylalanineformylmethoxyphenyl) 10,15,20 tri(p chlorophenyl)porphinatozinc(Ⅱ)(Zn) was synthesized.The structure of the compound was characterized by ele...A new tailed phenylalanine tetraphenylporphinatozinc(Ⅱ),5 (p phenylalanineformylmethoxyphenyl) 10,15,20 tri(p chlorophenyl)porphinatozinc(Ⅱ)(Zn) was synthesized.The structure of the compound was characterized by elementary analysis,electric absorption spectra,IR,resonance Raman spectra and 1HNMR.The electronic absorption spectra of axial coordination reactions of Zn with pyridine and in midazole were studied.展开更多
The electronic absorption spectra and thermodynamics of axial coordination reaction of 5 (4 glycine butoxyphenyl) 10,15,20 triphenyiporphintozinc with substituted pyridines in CHCl 3 were studied.Coordination numbers ...The electronic absorption spectra and thermodynamics of axial coordination reaction of 5 (4 glycine butoxyphenyl) 10,15,20 triphenyiporphintozinc with substituted pyridines in CHCl 3 were studied.Coordination numbers and equilibrium constants of axial coordination reaction were measured by visible spectra techniques.The changs of standard molar enthalpies and standard molar entropies of reaction were obtained from the plots of ln K vs 1/T.The influence of temperature and axial ligands on the axial reaction were discussed.展开更多
文摘The enthalpy of coordination reaction of manganese chloride with p toluidime has been determined by solution calorimetry in a new model isoperibol reaction calorimeter.The calorimetric solvent is a solution consisting of 3.0 mol·L -1 HCl and ethyl alcohol absolute.A new thermochemical cycle has been designed to determine the standard enthalpy of formation for Mn(p tol) 2Cl 2.According to the results,we obtained the values: Δ r H m=19.149kJ·mol -1 ,Δ f H m[Mn(p tol) 2Cl 2,s]=-590.748kJ·mol
文摘A new tailed phenylalanine tetraphenylporphinatozinc(Ⅱ),5 (p phenylalanineformylmethoxyphenyl) 10,15,20 tri(p chlorophenyl)porphinatozinc(Ⅱ)(Zn) was synthesized.The structure of the compound was characterized by elementary analysis,electric absorption spectra,IR,resonance Raman spectra and 1HNMR.The electronic absorption spectra of axial coordination reactions of Zn with pyridine and in midazole were studied.
文摘The electronic absorption spectra and thermodynamics of axial coordination reaction of 5 (4 glycine butoxyphenyl) 10,15,20 triphenyiporphintozinc with substituted pyridines in CHCl 3 were studied.Coordination numbers and equilibrium constants of axial coordination reaction were measured by visible spectra techniques.The changs of standard molar enthalpies and standard molar entropies of reaction were obtained from the plots of ln K vs 1/T.The influence of temperature and axial ligands on the axial reaction were discussed.
