Synthesis and Crystal Structure of the [Re2(CH3COO)2Cl4((CH3)2NCOCH3)2] Complex |
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| Authors: | Mel'nik S. G. Filinchuk Ya. E. Shtemenko A. V. |
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| Affiliation: | (1) Dnepropetrovsk State University of Chemical Technology, pr. Gagarina 8, Dnepropetrovsk, 320640, Ukraine;(2) Laboratory of Crystallography, University of Geneva, Switzerland |
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| Abstract: | Compound [Re2(CH3COO)2Cl4((CH3)2NCOCH3)2] is synthesized. The influence of parameters of the hydrothermal synthesis under elevated pressure on the yield of a target product and its molecular structure and physicochemical properties is studied. In the neutral complex with cis-arrangement of the bridging acetate and terminal chloride ligands with respect to the multiply bonded Re26+ complex-forming center, the Re–Re bond length is 2.2418(3) Å. Dimethylacetamide molecules are in the axial positions, the Re–O bond lengths being 2.304(3) and 2.321(4) Å. The influence of the donor ability of the axial substituents in analogous structures of the rhenium(III) binuclear clusters on the Re–Re and Re–Lax bond lengths is analyzed. |
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