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Effect of the structure differences of α-, β-, and γ-modifications of diammineoxalatocopper(II) complexes on their reactivity with gaseous and liquid ammonia

H. Langfelderová, J. Garaj, and J. Gažo

Department of Inorganic Chemistry, Slovak Technical University, 880 37 Bratislava

 

Abstract: The effects of structural differences on the reactions of α-, β-, and γ-[Cu(NH3)2(C2O4)] with gaseous and liq. NH3 to give [Cu(NH3)5(C2O4)] were studied. Three different modifications of [Cu(NH3)5(C2O4)] were formed and the thermal decompns. of each gave that modification of [Cu(NH3)2(C2O4)] from which the pentaammine was formed. The ammonation reactions started by substitution of the O atom on the long coordinate in α- and β- [Cu(NH3)2(C2O4)] and by occupying the free coordination positions in γ-[Cu(NH3)2(C2O4)].

Full paper in Portable Document Format: 286a748.pdf

 

Chemical Papers 28 (6) 748–752 (1974)

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