Thermodynamic properties of trans-tetrachlorodi-μ-carboxylate dirhenium(<scp>iii</scp>) complexes

The reduction of rhenium iodide cluster Re3I9 to [Re(CO)5I] (55% yield) was observed in the presence of concentrated HCl and HCOOH at 130°C. In a dimethylammonium chloride [(CH3)2NH2]Cl melt, the triangular cluster polymer Re3I9 is transformed into the dianionic binuclear cluster complex [Re2Cl8]2–, which was isolated as the tetrabutylammonium salt ((n-C4H9)4N)2[Re2Cl8] in 46% yield. The structure of the complex [Re(CO)5I] was confirmed by powder X-ray diffraction, energy dispersive spectroscopy, IR spectroscopy, and Raman spectroscopy. ((n-C4H9)4N)2[Re2Cl8] was identified using elemental analysis, energy dispersive spectroscopy, and IR and Raman spectroscopy. An acetonitrile solution of ((n-C4H9)4N)2[Re2Cl8] was characterized by the mass spectrum and characteristic UV-Vis spectrum.

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Thermodynamic properties of trans-tetrachlorodi-μ-carboxylate dirhenium(iii) complexes

Abstract: In order to obtain unknown thermodynamic properties, such as enthalpy of formation, of trans-tetrachlorodi-μ-carboxylate dirhenium(iii) (trans-[Re2Cl4(RCOO)2] (R = C2H5; C3H7; (CH3)2CH; (CH3)3C)), exothermic reactions of burning in oxygen were investigated.

Cited by 2 publications

References 14 publications

Rhenium Iodide Cluster Re3I9 as a Precursor in the Synthesis of [Re(CO)5I] and ((n-C4H9)4N)2[Re2Cl8]

Rhenium Iodide Cluster Re3I9 as a Precursor in the Synthesis of [Re(CO)5I] and ((n-C4H9)4N)2[Re2Cl8]

Rhenium Iodide Cluster Re<sub>3</sub>I<sub>9</sub> as a Precursor in the Synthesis of [Re(CO)<sub>5</sub>I] and ((н-C<sub>4</sub>H<sub>9</sub>)<sub>4</sub>N)2[Re<sub>2</sub>Cl<sub>8</sub>]

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