Abstract
The heats of solution of the copper(I) and silver(I) halides have been determined in tetrahydrothiophene (THT). THT is a sulfur donor solvent, which coordinates soft metal ions and complexes such as copper- (I) and silver(I) strongly. THT has a low dielectric constant, which means that salts rarely dissociate in this solvent. The heats of solvation of the neutral copper(I) and silver(I) halides are obtained by combining the heats of solution and heats of sublimation from the literature. The heats of solvation of the copper(I) and silver(I) ions have been calculated by combining the heats of solution of the neutral metal halides, the heats of complex formation of these complexes, and the heats of solvation of the halide ions in THT. The heats of solvation of the copper(I) and silver(I) ions in THT are −698 and −583 kJ mol −1, respectively. The obtained heats of solvation show that copper(I) and silver(I) ions and neutral halide complexes are strongly solvated in THT.
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