Journal of the Korean Chemical Society (대한화학회지)

Korean Chemical Society (대한화학회)
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Rates and Mechanism of Reaction of Dichlorobis(ethylenediamine)Cobalt(Ⅲ) Chloride with Diethanolamine Dithiocarbamate

디에탄올아민 디티오카바메이트와 트란스-디클로로비스(에틸렌디아민)코발트(Ⅲ)이온의 반응에 대한 속도와 메카니즘

  • Kim, Chan Woo (Department of Chemistry Education, Taegu University) ;
  • Kim, Chang Su (Department of Chemistry Education, Taegu University)
  • 김찬우 (대구대학교 사범대학 화학교육과) ;
  • 김창수 (대구대학교 사범대학 화학교육과)
  • Published : 19960500
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Abstract

Diethanolamine dithiocarbamate is known to react with dichlorobis(ethylenediamine)cohalt(Ⅲ) chloride to form [Co(dtc)3](dtc=diethanolamine dithiocarbamate) in which two sulfur atoms of the dithiocarbamate are bound to cobalt. The complex is moderately soluble in acetone, but sparingly soluble in carbon disulfide. Kinetics and mechanisms of the reaction of dichlorobis(ethylenediamine)cobalt(Ⅲ) chloride with diethanolamine dithiocarbamate have been studied in aqueous solution. Activation parameters have been calculated from the kinetic data for the reaction and from these results a possible mechanism for the reaction has been proposed.

디에탄올아민 디티오카바메이트는 염화디스클로로비스에틸렌디아민)코발트(III)와 반응하여 [$Co(dtc)_3$](dtc=디에탄올아민 디티오카바메이트)를 생성한다. 이때 두 황원자는 코발트에 배위된다. 이 착물은 아세톤에 어느 정도 녹으나 이황산산소와 같은 비극성 용매에는 거의 녹지 않았다. 디에탄올아민 디티오카바메이트와 염화디스클로로비스에틸렌디아민)코발트(III)의 반응속도를 측정하고 이들 결과에서 얻어진 활성화 파라미터에서부터 가능한 메카니즘을 제시하고자 한다.

Keywords

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