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Article discussing research on cobalt-dinitrogen complexes with weakened N-N bonds.
Physical Description
2 p.
Notes
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.
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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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.].
(https://digital.library.unt.edu/ark:/67531/metadc107793/:
accessed March 19, 2024),
University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu;
crediting UNT College of Arts and Sciences.