The ligand-based quintuple bond-shortening concept and some of its limitations.

@article{Noor2013TheLQ,
  title={The ligand-based quintuple bond-shortening concept and some of its limitations.},
  author={A. Noor and Tobias A Bauer and T. Todorova and Birgit Weber and L. Gagliardi and R. Kempe},
  journal={Chemistry},
  year={2013},
  volume={19 30},
  pages={
          9825-32
        }
}
Herein, the ligand-based concept of shortening quintuple bonds and some of its limitations are reported. In dichromium-diguanidinato complexes, the length of the quintuple bond can be influenced by the substituent at the central carbon atom of the used ligand. The guanidinato ligand with a 2,6-dimethylpiperidine backbone was found to be the optimal ligand. The reduction of its chromium(II) chloride-ate complex gave a quintuply bonded bimetallic complex with a Cr-Cr distance of 1.7056 (12… Expand
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