Abstract
Densities and apparent molar volumes for Mn(ClO4)2,Co(ClO4)2 , Ni(ClO4)2,Cu(ClO4)2 , and Zn(ClO4)2in N, N -dimethylacetamide (DMA) solutions at T= 298.15 K are reported. Densities and apparent molar volumes of tetrabutylammonium tetraphenylborate and tetrabutylammonium perchlorate were determined, and used to obtain the partial molar volume for the ClO4−anion. The partial molar volumes of the DMA-solvated cations are derived, and their variation within the Mn2+toZn2+ series is discussed in terms of structure and stability of the coordination clusters. The ligand field effect on the partial molar volume is demonstrated.
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