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Heterogeneous reactions of solid nickel(II) complexes. I. Reaction of a dichlorotetrathioureanickel(II) complex with gaseous ammonia

E. Jóna, T. Šramko, and J. Gažo

Department of Inorganic Chemistry, Slovak Technical University, Bratislava

 

Abstract: The reaction of the solid NiCl2tu4 (tu is thiourea) complex with gaseous NH3 at room temp. and atm. pressure is described. The formation of a new compd. [Ni(NH3)6]Cl2.4tu was detd. by gravimetric thermal anal. and D.T.A. in a 1-stage exothermic process with the highest rate being in the initial phase of the reaction: [NiCl2 tu4](s) + 6NH3(g) = [Ni(NH3)6]Cl2.4tu(s). The thiourea and Cl- are completely substituted by NH3 in the complex [Ni(NH3)6]2+, so that all NH3 is coordinated to the Ni(II).

Full paper in Portable Document Format: 229a648.pdf (in Slovak)

 

Chemical Papers 22 (9) 648–655 (1968)

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