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Issue 8, 2018
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Butadiene as a ligand in open sandwich compounds

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Theoretical methods show that the lowest energy bis(butadiene)metal structures (C4H6)2M (M = Ti to Ni) have a perpendicular relative orientation of the two butadiene ligands corresponding to a tetrahedral coordination of the central metal atom to the four C[double bond, length as m-dash]C double bonds of the butadiene ligands. Distribution of the metal d electrons in the resulting tetrahedral ligand field rationalizes the predicted spin states increasing monotonically from singlet to quartet from nickel to manganese and back from quartet to singlet from manganese to titanium.

Graphical abstract: Butadiene as a ligand in open sandwich compounds

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The article was received on 31 Oct 2017, accepted on 24 Jan 2018 and first published on 24 Jan 2018

Article type: Paper
DOI: 10.1039/C7CP07379H
Citation: Phys. Chem. Chem. Phys., 2018,20, 5683-5691
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    Butadiene as a ligand in open sandwich compounds

    Q. Fan, J. Fu, H. Li, H. Feng, W. Sun, Y. Xie, R. B. King and H. F. Schaefer, Phys. Chem. Chem. Phys., 2018, 20, 5683
    DOI: 10.1039/C7CP07379H

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