Thermochemistry of dichlorobis(NN-dimethylacetamide)-zinc(II), and dichloro(NN-dimethylacetamide)-cadmium(II) and -mercury(II)
- 1 January 1980
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in J. Chem. Soc., Dalton Trans.
- No. 1,p. 156-158
- https://doi.org/10.1039/dt9800000156
Abstract
The standard enthalpy change (ΔHR ⊖) for the reaction MCl2(s)+nDMA(I)→[MCl2(DMA)n](s)(M = Zn, n= 2; M = Cd or Hg, n= 1; DMA =NN-dimethylacetamide) as measured by solution calorimetry gave values –84.2 ± 1.6 (Zn), –29.2 ± 0.2 (Cd), and 25.2 ± 0.7 (Hg) kJ mol–1, respectively. The values of the standard enthalpy of formation (ΔHf ⊖) of the adducts were determined from values of ΔHR ⊖, and the standard enthalpies of formation of NN-dimethylacetamide and the metal chlorides, giving the values –1 055 ± 5, –698 ± 2, and –527 ± 2 kJ mol–1 for zinc, cadmium, and mercury, respectively.Keywords
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