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Issue 5, 2007
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Metalloid group 14 cluster compounds: An introduction and perspectives to this novel group of cluster compounds

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Abstract

Metalloid cluster compounds of group 14 of the general formulae EnRm with n > m (E = Si, Ge, Sn and Pb, tetrel elements; R = ligand), where “naked” tetrel atoms are present as well as ligand-bound tetrel atoms, represent a novel class of cluster compounds in group 14 chemistry. Since the “naked” tetrel atoms in these clusters exhibit an oxidation state of 0, the average oxidation state of the tetrel atoms in such metalloid group 14 cluster compounds is between 0 and 1. Thus, these cluster compounds may be seen as intermediates on the way to the elemental state. Therefore, interesting properties maybe expected for these compounds which might complement results from nanotechnology.

During the last years many different syntheses of such novel cluster compounds have been introduced, leading to several metalloid group 14 cluster compounds which exhibit new and unusual structure and bonding properties. In this tutorial review an account is given of the first steps in this novel field of group 14 chemistry. Special attention is focused on structural features and bonding properties.

Graphical abstract: Metalloid group 14 cluster compounds: An introduction and perspectives to this novel group of cluster compounds

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Publication details

The article was received on 17 Aug 2006, accepted on 29 Sep 2006 and first published on 07 Dec 2006


Article type: Tutorial Review
DOI: 10.1039/B516379J
Citation: Chem. Soc. Rev., 2007,36, 745-758
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    Metalloid group 14 cluster compounds: An introduction and perspectives to this novel group of cluster compounds

    A. Schnepf, Chem. Soc. Rev., 2007, 36, 745
    DOI: 10.1039/B516379J

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