Cobalt-Dinitrogen Complexes with Weakened N-N Bonds

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Article discussing research on cobalt-dinitrogen complexes with weakened N-N bonds.

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2 p.

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Ding, Keying; Pierpont, Aaron W.; Brennessel, William W.; Lukat-Rodgers, Gudrun; Rodgers, Kenton R.; Cundari, Thomas R., 1964- et al. June 19, 2009.

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Article discussing research on cobalt-dinitrogen complexes with weakened N-N bonds.

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2 p.

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Reprinted with permission from the Journal of the American Chemical Society. Copyright 2009 American Chemical Society.

Abstract: Reported N₂ complexes of cobalt do not have substantial weakening of the N-N bond. Using diketiminate ligands to enforce three-coordinate geometries, we have synthesized several novel CoNNCo complexes. In formally univalent complexes, cobalt is poorer than iron at weakening the N-N bond, but in formally zerovalent complexes, cobalt and iron give similar N-N weakening. The weakening is due to cobalt-to-N₂ π-backbonding, and potassium cations pull more electron density into N₂. These results show that the low coordination number of a trigonal-planar geometry is impetus enough to make even the electronegative cobalt weaken the N-N bond of N₂.

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  • Journal of the American Chemical Society, 2009, Washington DC: American Chemical Society, pp. 9471-9472

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  • Publication Title: Journal of the American Chemical Society
  • Volume: 131
  • Issue: 27
  • Page Start: 9471
  • Page End: 9472
  • Peer Reviewed: Yes

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The Scholarly Works Collection is home to materials from the University of North Texas community's research, creative, and scholarly activities and serves as UNT's Open Access Repository. It brings together articles, papers, artwork, music, research data, reports, presentations, and other scholarly and creative products representing the expertise in our university community.** Access to some items in this collection may be restricted.**

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  • June 19, 2009

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  • Oct. 9, 2012, 10:02 a.m.

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  • May 29, 2014, 12:07 p.m.

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Ding, Keying; Pierpont, Aaron W.; Brennessel, William W.; Lukat-Rodgers, Gudrun; Rodgers, Kenton R.; Cundari, Thomas R., 1964- et al. Cobalt-Dinitrogen Complexes with Weakened N-N Bonds, article, June 19, 2009; [Washington, D.C.]. (digital.library.unt.edu/ark:/67531/metadc107793/: accessed February 24, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT College of Arts and Sciences.