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Complexation in Mixed Nonaqueous Solvents

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Abstract

It is shown, using the formation of silver(I) pyridine (Py) and piperidine (Ppd) complexes in a di-methyl sulfoxide–acetonitrile (DMSO–AN) mixture with different compositions, that an increase in the stability of the complexes with an increase in the acetonitrile content is apparent and caused by the dilution factor. This follows from the more detailed specification of the chemical forms in a mixture of solvents, according to which the complexation is considered as the replacement of the DMSO molecules in the Ag(DMSO)+ 2 solvate ion by the ligands (Py or Ppd molecules). The Ag(DMSO)+ 2 form is more preferential than Ag(AN)+ 2 due to the stronger donor properties of DMSO.

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Authors and Affiliations

  1. Siberian State Technological University, Krasnoyarsk, Russia

    V. A. Fedorov, A. M. Robov & M. A. Kirienko

  2. Institute of Chemistry and Chemical Technology, Siberian Division, Russian Academy of Sciences, Krasnoyarsk, Russia

    V. A. Fedorov, A. M. Robov & M. A. Kirienko

Authors
  1. V. A. Fedorov
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  2. A. M. Robov
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  3. M. A. Kirienko
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Fedorov, V.A., Robov, A.M. & Kirienko, M.A. Complexation in Mixed Nonaqueous Solvents. Russian Journal of Coordination Chemistry 29, 512–514 (2003). https://doi.org/10.1023/A:1024739315817

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  • DOI: https://doi.org/10.1023/A:1024739315817

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