Reaction of the non-substituted/substituted unsymmetric pinene-derived complex[Pt(N^C^N')Cl]with the aryl isocyanide 2,6-dimethylphenyl isocyanide(CNXyl)afforded a mixture of two isomeric species:the ionic complex...Reaction of the non-substituted/substituted unsymmetric pinene-derived complex[Pt(N^C^N')Cl]with the aryl isocyanide 2,6-dimethylphenyl isocyanide(CNXyl)afforded a mixture of two isomeric species:the ionic complex[Pt(κ^(3)-N^C^N')(CNXyl)]Cl([A]Cl)and the molecular complex[Pt(κ^(2)-N^C^N')(CNXyl)Cl](B).Isomer B was almost the dominating product.The structures of the isomer B derivatives bearing-CF_(3)and-Cl substituents on the pyridine ring of the pinene moiety(5B and 7B,respectively)have been confirmed by single-crystal X-ray diffraction,revealing a slightly distorted square planar geometry with trans-N_(N^C^N'),CNR configuration(The terminal N atom of theκ^(2)-N^C^N'ligand is trans to the isocyanide ligand CNXyl.).Isomer B is thermodynamically more stable,as confirmed by theoretical calculations.CCDC:2416415,5B;2416414,7B.展开更多
The vapor-liquid equilibrium(VLE)data of α-pinene+β-pinene(428.82—438.13 K),α-pinene+p-cymene(429.05—447.15 K),β-pinene+p-cymene(439.20—448.66 K)and α-pinene+β-pinene+p-cymene(432.17—448.11 K)were determined...The vapor-liquid equilibrium(VLE)data of α-pinene+β-pinene(428.82—438.13 K),α-pinene+p-cymene(429.05—447.15 K),β-pinene+p-cymene(439.20—448.66 K)and α-pinene+β-pinene+p-cymene(432.17—448.11 K)were determined at atmospheric pressure(100.7 kPa)with the modified Ellis still.The thermodynamic consistency of the experimental data was confirmed by means of the Herington method.Three activity coefficient models,Wilson,NRTL,UNIQUAC,were used to correlate and calculate the VLE data of these binary systems to obtain the binary parameters.Average relative deviations between calculated values and experimental data of vapor phase mole fraction were all less than 0.40%.The binary parameters of Wilson equation were also used to calculate the bubble point and the vapor phase composition for the ternary mixture without any additional adjustment.The predicted VLE for the ternary system was in good agreement with the experimental results.展开更多
文摘Reaction of the non-substituted/substituted unsymmetric pinene-derived complex[Pt(N^C^N')Cl]with the aryl isocyanide 2,6-dimethylphenyl isocyanide(CNXyl)afforded a mixture of two isomeric species:the ionic complex[Pt(κ^(3)-N^C^N')(CNXyl)]Cl([A]Cl)and the molecular complex[Pt(κ^(2)-N^C^N')(CNXyl)Cl](B).Isomer B was almost the dominating product.The structures of the isomer B derivatives bearing-CF_(3)and-Cl substituents on the pyridine ring of the pinene moiety(5B and 7B,respectively)have been confirmed by single-crystal X-ray diffraction,revealing a slightly distorted square planar geometry with trans-N_(N^C^N'),CNR configuration(The terminal N atom of theκ^(2)-N^C^N'ligand is trans to the isocyanide ligand CNXyl.).Isomer B is thermodynamically more stable,as confirmed by theoretical calculations.CCDC:2416415,5B;2416414,7B.
文摘The vapor-liquid equilibrium(VLE)data of α-pinene+β-pinene(428.82—438.13 K),α-pinene+p-cymene(429.05—447.15 K),β-pinene+p-cymene(439.20—448.66 K)and α-pinene+β-pinene+p-cymene(432.17—448.11 K)were determined at atmospheric pressure(100.7 kPa)with the modified Ellis still.The thermodynamic consistency of the experimental data was confirmed by means of the Herington method.Three activity coefficient models,Wilson,NRTL,UNIQUAC,were used to correlate and calculate the VLE data of these binary systems to obtain the binary parameters.Average relative deviations between calculated values and experimental data of vapor phase mole fraction were all less than 0.40%.The binary parameters of Wilson equation were also used to calculate the bubble point and the vapor phase composition for the ternary mixture without any additional adjustment.The predicted VLE for the ternary system was in good agreement with the experimental results.