Issue 22, 2001
From the journal:

Journal of the Chemical Society, Dalton Transactions

High yield synthesis of Ru–Pt mixed-metal cluster compounds

Sophie Hermans,a   Tetyana Khimyaka  and  Brian F. G. Johnson*a  

* Corresponding authors

a University Chemical Laboratories, Lensfield Road, Cambridge, UK

Abstract

The reaction of [PPN]2[Ru5C(CO)14] 1 or [PPN]2[Ru6C(CO)16] 2 [PPN+ = (PPh3)2N+] with Pt(II) compounds of general formula [PtX2Cl2] [X2 = (COD), (PPh3)2 and (PPh3)(CO)] (COD = 1,5-cyclooctadiene) have been investigated and the products of simple or double addition, viz. [Ru5PtC(CO)14(COD)] 3, [Ru5PtC(CO)14(PPh3)2] 4, [Ru5PtC(CO)15(PPh3)] 5, [Ru5Pt2C(CO)15(PPh3)2] 6, [Ru6PtC(CO)16(COD)] 7, [Ru6Pt2C(CO)15(COD)2] 8, obtained. The molecular and crystal structures of 3–8 have been established by single crystal X-ray analysis. Compounds 3–7 all contain an intact Ru core with Pt fragment(s) capping triangular or square faces. The resulting mixed-metal core is octahedral for the clusters Ru5Pt and face-capped octahedral for the clusters RunPtm (n = 5 or 6; m = 2 or 1). Only compound 8 did not follow this pattern, with the Pt fragments bridging two Ru–Ru edges of the otherwise unaltered Ru6C core.

Graphical abstract: High yield synthesis of Ru–Pt mixed-metal cluster compounds

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Article information

DOI
https://doi.org/10.1039/B105844B
Article type
Paper
Submitted
03 Jul 2001
Accepted
11 Sep 2001
First published
23 Oct 2001

J. Chem. Soc., Dalton Trans., 2001, 3295-3302

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High yield synthesis of Ru–Pt mixed-metal cluster compounds

S. Hermans, T. Khimyak and B. F. G. Johnson, J. Chem. Soc., Dalton Trans., 2001, 3295 DOI: 10.1039/B105844B

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