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Tetra-ethyl-ammonium bromidotricarbon-yl(tropolonato)rhenate(I).

ABSTRACT: In the title salt, (C(8)H(20)N)[ReBr(C(7)H(5)O(2))(CO)(3)], the Re(I) atom is octa-hedrally surrounded by three facially orientated carbonyl ligands, one bidendate tropolonate ligand and a bromide ligand. The small O-Re-O bite angle of 74.88 (12)° leads to a distortion of the octa-hedral coordination sphere. The bromide ligand and the axial carbonyl ligand are substitutionally disordered over two positions in a 0.922 (3):0.078 (3) ratio. An array of C-H⋯O and C-H⋯Br hydrogen-bonding inter-actions between the cations and neighbouring rhenate anions stabilizes the crystal packing.

SUBMITTER: Schutte M 

PROVIDER: S-EPMC3006975 | biostudies-literature | 2010 Jun

REPOSITORIES: biostudies-literature

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Tetra-ethyl-ammonium bromidotricarbon-yl(tropolonato)rhenate(I).

Schutte Marietjie M   Visser Hendrik G HG   Roodt Andreas A  

Acta crystallographica. Section E, Structure reports online 20100626 Pt 7

In the title salt, (C(8)H(20)N)[ReBr(C(7)H(5)O(2))(CO)(3)], the Re(I) atom is octa-hedrally surrounded by three facially orientated carbonyl ligands, one bidendate tropolonate ligand and a bromide ligand. The small O-Re-O bite angle of 74.88 (12)° leads to a distortion of the octa-hedral coordination sphere. The bromide ligand and the axial carbonyl ligand are substitutionally disordered over two positions in a 0.922 (3):0.078 (3) ratio. An array of C-H⋯O and C-H⋯Br hydrogen-bonding inter-action  ...[more]

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