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On the relationship between the structures of Cu(II) complexes and the course of their thermal decomposition

XV. Thermal decomposition of complexes Cu4O(Cl+Br)6(OPPh3)4

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Abstract

Thermal decomposition of [Cu4O(Cl+Br)6(OPPh3)4], starts at temperatures about 200°C. The decomposition proceeds in several steps. The intermediate formed in the first decomposition step (weight loss 2–4%) is a new crystalline phase with slightly different structure but with preserved central unit Cu4O. The only crystalline phases found in the further decomposition products was CuBr in all cases when the bromine atoms were present, the presence of CuCl was only observed at the decomposition of the hexachlorocomplex.

Zusammenfassung

Die thermische Zersetzung von [Cu4O(Cl+Br)6(OPPh3)4] beginnt bei Temperaturen oberhalb 200°C. Die Zersetzung verläuft in mehreren Schritten. Das im ersten Zersetzungschritt gebildete Intermediär (Gewichtsverlust 2–4%) ist eine neue kristalline Phase mit leicht adweichender Struktur, jedoch mit einer eingeschlossenen Zentralleinheit Cu4O. Die im verlaufe der weiteren Zersettzungsschritte gefundene einzige kristalline Phase war in allen Fällen CuBr, wenn Bromatome vorhanden waren, die Gegenwart von CuCl wurde nur bei der Zersetzung des Hexachlorocomplexes beobachtet.

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Authors and Affiliations

  1. Department of Inorganic Chemistry, Slovak Technical University, 81237, Bratislava, Slovakia

    H. Langfelderová, D. Makáová & V. Jorík

Authors
  1. H. Langfelderová
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  2. D. Makáová
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  3. V. Jorík
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Langfelderová, H., Makáová, D. & Jorík, V. On the relationship between the structures of Cu(II) complexes and the course of their thermal decomposition. Journal of Thermal Analysis 41, 37–51 (1994). https://doi.org/10.1007/BF02547009

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  • DOI: https://doi.org/10.1007/BF02547009

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