Modeling tetraalkylammonium halide salts in water: How hydrophobic and electrostatic interactions shape the thermodynamic properties

Hartmut Krienke, Vojko Vlachy, Ahn Ercan Gudrun, Imre Bakó

Research output: Contribution to journalArticle

23 Citations (Scopus)

Abstract

The explicit water molecular dynamics simulation was used to study tetramethylammonium and tetraethylammonium chloride and bromide solutions in water at 298 K. The outcome of the simulations in the form of various distribution functions was used to construct the solvent-averaged potentials between interacting molecules. In the next step, which involved the Ornstein-Zernike integral equation theory in the hypernetted chain approximation, these potentials were used to calculate the osmotic coefficients. We showed that this approach is able to explain the experimental results for the osmotic pressure of these salts.

Original languageEnglish
Pages (from-to)4360-4371
Number of pages12
JournalJournal of Physical Chemistry B
Volume113
Issue number13
DOIs
Publication statusPublished - Apr 2 2009

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Surfaces, Coatings and Films
  • Materials Chemistry

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