Synthesis and molecular structures of the magnesium and aluminum adducts of a niobium-oxo complex. X-ray crystal structures of [[NbOCl{sub 4}(THF)]{sub 2}Mg(THF){sub 4}] and [[NbOCl{sub 4}(THF)]{sub 2}AlCl(THF){sub 3}]
- Univ. of Wroclow (Poland)
The synthesis of high polymers based on simple Nb(V) species as catalysts has also been reported. It could be expected that V(V) and Nb(V) complexes would be effective catalysts if they could be stabilized in their high oxidation state. In this contribution, we describe the synthesis and characterization of Mg{sup 2+} and Al{sup 3+} niobium-oxo adducts. The chemistry of transition metal-oxo M=O(V, Nb, Ta) adducts with electropositive metal ions such as Mg{sup 2+} or Al{sup 3+} as components of the catalyst is unknown yet. In a previous paper we described the synthesis and properties of products formed during reaction between [MoOCl{sub 3}(THF){sub 2}] and [MgCl{sub 2}(THF){sub 2}]. As an extension of these studies, we chose to investigate the chemistry of niobium-oxo species [NbOCl{sub 4}(THF)]{sup -} with MgCl{sub 2} and AlCl{sub 3} in order to compare the basic properties of Nb=O with M=O (M = Mo, W, Re) moieties. In this paper we describe the synthesis of [[NbOCl{sub 4}(THF)]{sub 2}Mg(THF){sub 4}]{center_dot}CH{sub 2-}Cl{sub 2}, [[NbOCl{sub 4}(THF)]{sub 2}Mg(THF){sub 4}]{center_dot}4THF And [[NbOCl{sub 4}(THF)]{sub 2-} AlCl(THF){sub 3}] species and report the details of their x-ray structures.
- OSTI ID:
- 555328
- Journal Information:
- Inorganic Chemistry, Journal Name: Inorganic Chemistry Journal Issue: 10 Vol. 36; ISSN 0020-1669; ISSN INOCAJ
- Country of Publication:
- United States
- Language:
- English
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