A method to obtain new copper-rhenium composites on a steel substrate using a complex of dirhenium(III) cis-tetrachlorodi-µ-propionate with axial N,N-dimethylacetamide (cis-[Re 2 Cl 4 (C 2 H 5 COO) 2 (DMAA) 2 ]) and copper metal as starting materials for low-temperature chemical vapor deposition, was investigated. The obtained copper-rhenium composite was studied by scanning electron microscopy and X-ray spectroscopy. According to the elemental analysis the composite contained 71.53% Fe, 25.45% Cu, 1.99% Re, and 1.04% Sn.

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.

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