Competing HH, SS, and MM Bond Formation in the “Shape-Shifting” Cluster [Ru₄S₃(arene)₄]²⁺^†

Matthew L. Kuhlman,

Matthew L. Kuhlman

Department of Chemistry, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA, Fax: (+1) 217-333-2685

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Thomas B. Rauchfuss Prof. Dr.,

Thomas B. Rauchfuss Prof. Dr.

[email protected]

Department of Chemistry, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA, Fax: (+1) 217-333-2685

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Matthew L. Kuhlman,

Matthew L. Kuhlman

Department of Chemistry, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA, Fax: (+1) 217-333-2685

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Thomas B. Rauchfuss Prof. Dr.,

Thomas B. Rauchfuss Prof. Dr.

[email protected]

Department of Chemistry, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA, Fax: (+1) 217-333-2685

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First published: 09 December 2004

https://doi.org/10.1002/anie.200461264

Citations: 11

^†

This research was supported by the National Science Foundation. We thank Scott Wilson and Teresa Prussak-Wieckowska for assistance with the X-ray crystallography.

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Graphical Abstract

Get into shape under redox: Rearrangement of [Ru₄S₃(arene)₄] accompanies redox processes and occurs in its reduction of H⁺ to H₂ (see scheme; Ru=Ru(cymene)). The [Ru₄S₃(arene)₄]²⁺ ion is so crowded that arene rotation is hindered, which allows the detection of atropisomers.