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Issue 50, 2016
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Facile access to a Ge(II) dication stabilized by isocyanides

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Herein, we introduce isocyanide as a ligand in main group chemistry and describe the facile isolation of a Ge(II) dication. The reaction of 2,6-dimethylphenylisocyanide with GeCl2 leads to the formation of a Ge(II) dication with two [GeCl3] molecules as counter anions. The dicationic Ge(II) center is bound to four isocyanide ligands and also holds a lone pair of electrons. DFT calculations reveal that the dication is stabilized only by σ-donation from the four isocyanide ligands. Natural population analysis gives a charge of +0.74 on the Ge(II) center, indicating that the positive charge is shared by the isocyanide substituents.

Graphical abstract: Facile access to a Ge(ii) dication stabilized by isocyanides

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Publication details

The article was received on 05 May 2016, accepted on 20 May 2016 and first published on 23 May 2016

Article type: Communication
DOI: 10.1039/C6CC03789E
Chem. Commun., 2016,52, 7890-7892

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    Facile access to a Ge(II) dication stabilized by isocyanides

    V. S. V. S. N. Swamy, S. Yadav, S. Pal, T. Das, K. Vanka and S. S. Sen, Chem. Commun., 2016, 52, 7890
    DOI: 10.1039/C6CC03789E

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