Abstract
Closer than most: A series of four dichromium bis(amidinate) complexes of the type [Cr2{μ-η2-ArNC(R)NAr}2] display an extremely short metal-metal bond of 1.74 Å, independent of the steric hindrance of the ligands. DFT calculations of Cr-Cr bond lengths agree well with the experimental values and computational analysis of their electronic structures indicates quintuple bonding between the two Cr centers. (Chemical Equation Presented) © 2008 Wiley-VCH Verlag GmbH & Co. KGaA.
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Hsu, C. W., Yu, J. S. K., Yen, C. H., Lee, G. H., Wang, Y., & Tsai, Y. C. (2008). Quintuply-bonded dichromium(I) complexes featuring metal-metal bond lengths of 1.74 Å. Angewandte Chemie - International Edition, 47(51), 9933–9936. https://doi.org/10.1002/anie.200803859
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