An electron density analysis of the 1-zirconacyclopent-3-yne complex has been carried out based on X-ray diffraction data, showing that the coordination mode of the but-2-yne-1,4-diyl ligand to the metal is a resonance hybrid between eta2-sigma, sigma-coordination, as the major contributor, and eta4-pi, pi-coordination.
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http://dx.doi.org/10.1039/b516229g | DOI Listing |
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