Improvements of DRISM calculations: symmetry reduction and hybrid algorithms

Woelki, Stefan and Kohler, Hans-Helmut and Krienke, Hartmut and Schmeer, Georg (2008) Improvements of DRISM calculations: symmetry reduction and hybrid algorithms. PHYSICAL CHEMISTRY CHEMICAL PHYSICS, 10 (6). pp. 898-910. ISSN 1463-9076, 1463-9084

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Abstract

We present a symmetry-reduced version of the dielectrically-consistent reference interaction site model (DRISM) equation and an adaptation of the Labi'k-Malijevsky-Vonka hybrid algorithm for its numerical solution. This approach is used for the calculation of site-site correlation functions of water, acetone and a water-acetone mixture. Compared to the traditional Picard iteration of non-reduced DRISM theories, savings of more than 90% in computational time are obtained. The resulting site-site pair-correlation functions are in reasonable agreement with computer simulations.

Item Type: Article
Uncontrolled Keywords: INTERACTION SITE MODEL; INTEGRAL-EQUATION THEORY; MONTE-CARLO-SIMULATION; MOLECULAR-DYNAMICS SIMULATIONS; DENSITY-FUNCTIONAL THEORY; PARTIAL MOLAR VOLUME; NONUNIFORM POLYATOMIC SYSTEMS; AMBIENT AQUEOUS-SOLUTION; ALCOHOL-WATER MIXTURES; SOLVATION FREE-ENERGY;
Subjects: 500 Science > 540 Chemistry & allied sciences
Divisions: Chemistry and Pharmacy > Institut für Analytische Chemie, Chemo- und Biosensorik
Depositing User: Dr. Gernot Deinzer
Date Deposited: 23 Nov 2020 07:55
Last Modified: 23 Nov 2020 07:55
URI: https://pred.uni-regensburg.de/id/eprint/31751

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