Communication

Tetrameric Iridium Hydride-Rich Clusters Formed under Hydrogenation Conditions†

  1. Yingjian Xu Dr.1,
  2. Mehmet A. Celik3,
  3. Amber L. Thompson Dr.1,
  4. Hairong Cai1,
  5. Mine Yurtsever Prof.3,
  6. Barbara Odell Dr.1,
  7. Jennifer C. Green Prof.2,
  8. D. Michael P. Mingos Prof.1,
  9. John M. Brown Dr.1

Article first published online: 9 DEC 2008

DOI: 10.1002/anie.200804484

Issue

Angewandte Chemie International Edition

Angewandte Chemie International Edition

Volume 48, Issue 3, pages 582–585, January 5, 2009

Additional Information

How to Cite

Xu, Y., Celik, Mehmet A., Thompson, Amber L., Cai, H., Yurtsever, M., Odell, B., Green, Jennifer C., Mingos, D. Michael P. and Brown, John M. (2009), Tetrameric Iridium Hydride-Rich Clusters Formed under Hydrogenation Conditions. Angew. Chem. Int. Ed., 48: 582–585. doi: 10.1002/anie.200804484

Author Information

  1. 1

    Chemistry Research Laboratory, Oxford University, 12 Mansfield Rd., Oxford OX1 3TA (UK), Fax: (+44) 1865-285-002 http://www.chem.ox.ac.uk/researchguide/jbrown.html

  2. 2

    Inorganic Chemistry Laboratory, Oxford University (UK)

  3. 3

    Istanbul Technical University, Faculty of Arts & Science (Turkey)

  1. †

    We thank Merck for an unrestricted grant (Y.X.) and Oxford and Istanbul Technical Universities (ITU-HPCC) for computing facilities. TÜBİTAK provided a six-month scholarship that enabled M.A.C. to work in Oxford in 2007. We gratefully acknowledge help from Dr. T. D. W. Claridge (NMR); Dr. N. Oldham and Dr. J. McCullagh (MS). Johnson-Matthey kindly provided a loan of iridium salts. Prof. Andrew Weller provided very helpful comments on this manuscript.

Publication History

  1. Issue published online: 29 DEC 2008
  2. Article first published online: 9 DEC 2008
  3. Manuscript Received: 11 SEP 2008

Funded by

  • Merck
  • TÜBİTAK

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Keywords:

  • cluster compounds;
  • hydrogenation;
  • iridium;
  • mass spectrometry;
  • N ligands
Thumbnail image of graphical abstract

Butterfly clusters: Hydrogenation of a cationic iridium complex with the sterically bulky N-ligand tetrahydroquinoline (thq) leads to the formation of two distinct tetrameric polyhydrides (see scheme; Ir green, N blue, P purple), which differ by exchanging one thq ligand for hydride. Both complexes have butterfly structures, with similar core geometries, but markedly different hinge angles (40.8° for 1 and 9.1° for 2).

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