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Issue 42, 2015
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Gel-assisted crystallization of [Ir4(IMe)7(CO)H10]2+ and [Ir4(IMe)8H9]3+ clusters derived from catalytic glycerol dehydrogenation

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Abstract

The two title clusters were formed during iridium-catalyzed glycerol dehydrogenation and display a remarkably high NHC content. They were crystallized in either agarose or polyethylene oxide gel matrices, while more conventional crystallization techniques proved unsuccessful. Cluster [Ir4(IMe)8H9]3+, with a net charge of +3, was only crystallizable with a polyoxometalate Keggin trianion. The crystal packing of this intercluster compound is discussed. Computational studies position the iridium hydrides and provide insights into the bonding.

Graphical abstract: Gel-assisted crystallization of [Ir4(IMe)7(CO)H10]2+ and [Ir4(IMe)8H9]3+ clusters derived from catalytic glycerol dehydrogenation

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The article was received on 26 Aug 2015, accepted on 24 Sep 2015 and first published on 25 Sep 2015


Article type: Paper
DOI: 10.1039/C5DT03302K
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Citation: Dalton Trans., 2015,44, 18403-18410

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    Gel-assisted crystallization of [Ir4(IMe)7(CO)H10]2+ and [Ir4(IMe)8H9]3+ clusters derived from catalytic glycerol dehydrogenation

    L. S. Sharninghausen, B. Q. Mercado, R. H. Crabtree, D. Balcells and J. Campos, Dalton Trans., 2015, 44, 18403
    DOI: 10.1039/C5DT03302K

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