期刊
COMPTES RENDUS CHIMIE
卷 8, 期 11-12, 页码 1728-1742出版社
ELSEVIER FRANCE-EDITIONS SCIENTIFIQUES MEDICALES ELSEVIER
DOI: 10.1016/j.crci.2005.03.017
关键词
rhenium clusters; structures; solid-state chemistry; solution chemistry
Ternary Re-Y-X and quaternary M-Re-Y-X systems (Y = chalcogen, X = halogen) with rhenium in low oxidation state are extremely rich in compounds based on the octahedral Re-6 metal core (`cluster') enclosed in a (pseudo)cube of eight so-called `inner' ligands L-i and an octahedron of six additional `apical' ligands L-a, giving anionic units of the general formula [(Re6L8L6a)-L-i](n-). These compounds are synthesized by solid-state chemistry route and are characterized by a wide variety of inter-unit linkages via various types of bridges or are built from isolated anionic units with intrinsic molecular character. The solubility of the latter in polar solvents allows new research approaches. Thus they can act as precursors for coordination chemistry and can be manipulated as molecular bricks, assembled with various counter-cations, non accessible by direct synthesis, and/or functionalized with unusual partners.
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