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An Electron-Rich Molybdenum–Molybdenum Quintuple Bond Spanned by One Lithium Atom†

  1. Shin-Cheng Liu1,
  2. Wei-Lun Ke1,
  3. Prof. Dr. Jen-Shiang K. Yu2,*,
  4. Ting-Shen Kuo3,
  5. Prof. Dr. Yi-Chou Tsai1,*

Article first published online: 29 MAY 2012

DOI: 10.1002/anie.201200122

Issue

Angewandte Chemie International Edition

Angewandte Chemie International Edition

Volume 51, Issue 26, pages 6394–6397, June 25, 2012

Additional Information

How to Cite

Liu, S.-C., Ke, W.-L., Yu, J.-S. K., Kuo, T.-S. and Tsai, Y.-C. (2012), An Electron-Rich Molybdenum–Molybdenum Quintuple Bond Spanned by One Lithium Atom . Angew. Chem. Int. Ed., 51: 6394–6397. doi: 10.1002/anie.201200122

Author Information

  1. 1

    Department of Chemistry and Frontier Research Center on Fundamental and Applied Sciences of Matters, National Tsing Hua University, Hsinchu 30013 (Taiwan)

  2. 2

    Institute of Bioinformatics and Systems Biology and Department of Biological Science and Technology, National Chiao Tung University, Hsinchu, 30010 (Taiwan)

  3. 3

    Department of Chemistry, National Taiwan Normal University, Taipei 11677 (Taiwan)

*Institute of Bioinformatics and Systems Biology and Department of Biological Science and Technology, National Chiao Tung University, Hsinchu, 30010 (Taiwan)

  1. †

    We are grateful to the National Science Council, Taiwan for financial support under Grants NSC 99-2113-M-007-012-MY3 (Y.C.T.), and NSC98-2113-M-009-010-MY2 and 100-2627-B-009-001 (J.S.K.Y.). We also thank Prof. R. Bruce King and Prof. Yu Wang for suggestions.

Publication History

  1. Issue published online: 21 JUN 2012
  2. Article first published online: 29 MAY 2012
  3. Manuscript Revised: 24 APR 2012
  4. Manuscript Received: 6 JAN 2012

Funded by

  • National Science Council. Grant Numbers: NSC 99-2113-M-007-012-MY3, NSC98-2113-M-009-010-MY2, 100-2627-B-009-001

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Keywords:

  • amidinato ligands;
  • bond theory;
  • lithium;
  • molybdenum;
  • multiple bonds
Thumbnail image of graphical abstract

Take five: A unique quintuply bonded dimolybdenum complex [Mo2(μ-Li){μ-HC(N-2,6-Et2C6H3)2}3] (see picture) was synthesized and characterized. The Mo[BOND]Mo interaction includes an unexpected bridging Li+ ion. Calculations indicate the bridging Li+ ion does not perturb the Mo[BOND]Mo bond length (2.0612(4) Å), but results in a relatively small effective Mo[BOND]Mo bond order of 3.67.

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