Synthesis,crystal structure and standard molar enthalpy of formation of bis(trans-bis(N,N-dimethyl-(1-(R)-phenyl-2-(S)-methyl-2-aminoethoxy-N,O))-copper(II)) heptahydrate |
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Authors: | Wen-Yan Dan Jing-Tao Chen You-Ying Di Qiang Wang Wei-Wei Yang Yu-Xia Kong Da-Qi Wang |
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Institution: | 1. College of Chemistry and Chemical Engineering, Liaocheng University, Liaocheng 252059, Shandong Province, PR China;2. Department of Chemistry, Shaanxi Educational College, Xi’an 710061, Shaanxi Province, PR China |
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Abstract: | A novel complex, bis(trans-bis(N,N-dimethyl-(1-(R)-phenyl-2-(S)-methyl-2-aminoethoxy-N,O))-copper(II)) heptahydrate (abbreviated as Cu2(C11H16NO)4·7H2O(cr)), was synthesized by the method of liquid phase reflux. The composition and structure of the complex were characterized by chemical analysis, elemental analysis, FTIR, and X-ray crystallography. A reasonable thermochemical cycle was designed based on the preparation reaction of the coordination compound, and standard molar enthalpies of dissolution of reactants and products were measured by an isoperibol solution-reaction calorimeter. Finally, the standard molar enthalpy of formation of the complex Cu2(C11H16NO)4·7H2O(cr) was determined to be ?(4525.22 ± 13.71) kJ · mol?1 in accordance with Hess’s law. |
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