Acta Phys. -Chim. Sin. ›› 1998, Vol. 14 ›› Issue (04): 343-348.doi: 10.3866/PKU.WHXB19980411

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Study of Thermochemical Properties of Cu(II)-α,α'-bipyridyl-macrocyclic Dioxotetraamine Ternary Systems

Zhou Zhi-Fen, Lin Hua-Kuan, Li Su-Qi, Zhu Shou-Rong, Chen Rong-Ti   

  1. Department of Chemistry,Nankai University,Tianjin 300071
  • Received:1997-07-28 Revised:1997-11-25 Published:1998-04-15
  • Contact: Lin Hua-Kuan

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Abstract:

Thermal effects of coordination reaction of Cu(Ⅱ )-α,α'-bipyridyl-macrocyclic dioxotetraaming ternary complex compounds have been determined in aqueous solution at 25.0±0.1℃ and I=0.1 mol•dm-3 KNO3 by means of model RD-1 automatic conduction calorimeter. Linear thermodynamic function relationships have been found to exist in this ternary system. Thermodynamic properties of Cu(Ⅱ)-bipy/phen-HRTADO ternary systems have been compared and discussed. The effects of substituents and stacking of aromatic ring to the thermodynamic properties Cu(Ⅱ)-bipy/phen-HRTADO ternary systems also have been discussed.

Key words: Copper(II), α,α-Bipyridyl, Macrocyclic dioxotetrammine, Thermochemical property, Linear enthalpy-entropy relationships