科研之友
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摘要
The crystal structure of the title compound, [Co-3(C5H9O2)(6)O-(CH4O)(3)]Cl, consists of trinuclear Co-III complex cations and chloride anions. The Co-III cation has site symmetry m, and is coordinated by four oxygen atoms from four bridging pivalate groups, one central O anion and a methanol oxygen atom, forming a distorted octahedral geometry. The coordinated methanol molecule is located on a crystallographic special position, the C and O atoms being located on the mirror plane. The central O anion lies in the crystallographic 6 position, and acts as a mu(3)-O bridge, linking three equivalent Co-III cations and generating the oxo-centered trinuclear Co-III complex. The chloride anion, which acts as the counter-ion, is located on crystallographic 6 position. O-H center dot center dot center dot Cl hydrogen bonding between the Cl anion and hydroxyl group of the coordinated methanol molecule links the molecules into a supramolecular network.
