Crystal structure of bis(η2-ethylene)(η5-pentamethylcyclopentadienyl)cobalt
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TLDR
In the title compound, the Co—C(olefin) bonds have an average length of 2.022 (2) Å, while the Co-C(pentadienyl) bonds average 2.103 ”(19)”Å.Abstract:
The title compound, [Co(C10H15)(C2H4)2], was prepared by Na/Hg reduction of [Co2(C10H15)2(μ-Cl)2] in THF under an ethylene atmosphere and crystallized from pentane at 193 K. The Co—C(olefin) bonds have an average length of 2.022 (2) A, while the Co—C(pentadienyl) bonds average 2.103 (19) A. The olefin C=C bonds are 1.410 (1) A. The dihedral angle between the planes defined by the cyclopentadienyl ligand and the two olefin ligands is 0.25 (12)°. In the crystal, molecules are linked into chains by C—H⋯π interactions.read more
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Reductive Coupling of Bridging Diaryl Ligands in Half-SandwichCobalt(II) Dimers: Revisiting Triple-Decker Cobalt(I) Complexes
TL;DR: In this paper, the reactions of [Cp*Co(μ-Cl)]2 with various aryl lithium reagents (ArLi) were performed with a view to access bridging diaryl dicobalt(II) complexes.
References
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Mercury: visualization and analysis of crystal structures
Clare F. Macrae,Paul R. Edgington,Patrick McCabe,Elna Pidcock,Greg P. Shields,Robin Taylor,Matthew Towler,Jacco van de Streek +7 more
TL;DR: Mercury as discussed by the authors is a crystal structure visualization program that allows to display multiple structures simultaneously and overlay them, which can be used for comparison between crystal structures and to overlay them in a table or spreadsheets.