Structural perturbations in proton-randomized single point charge simulated ice

Molecular dynamics, along with Monte Carlo methods, continue to be powerful tools to probe molecular behavior: In this study, we used a simulation cell consisting of 896 water molecules in an ice-lh configuration to compare structural properties of protonrandomized simulated ice using the Single...

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Main Author: M.Pratt, Ronald
Format: Article
Published: 2001
Online Access:http://journalarticle.ukm.my/1385/
http://www.ukm.my/jkukm/index.php/jkukm
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spelling my-ukm.journal.13852011-10-11T03:45:34Z http://journalarticle.ukm.my/1385/ Structural perturbations in proton-randomized single point charge simulated ice M.Pratt, Ronald Molecular dynamics, along with Monte Carlo methods, continue to be powerful tools to probe molecular behavior: In this study, we used a simulation cell consisting of 896 water molecules in an ice-lh configuration to compare structural properties of protonrandomized simulated ice using the Single Point Charge (SPC) potential model. A subtle, significant crystal defect is found in proton-randomized ice which involves two of the three mutually perpendicular dipole angle distributions. This deformity does not influence macroscopic behavior of the substance, but it does indicate a departure in arrangement from the known structure of water: It is therefore recommended that an ordered ice structure first be set up, and then random perturbations made to achieve a proton disordered structure 2001 Article PeerReviewed M.Pratt, Ronald (2001) Structural perturbations in proton-randomized single point charge simulated ice. Jurnal Kejuruteraan, 13 . http://www.ukm.my/jkukm/index.php/jkukm
institution Universiti Kebangsaan Malaysia
building Perpustakaan Tun Sri Lanang Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Kebangsaan Malaysia
content_source UKM Journal Article Repository
url_provider http://journalarticle.ukm.my/
description Molecular dynamics, along with Monte Carlo methods, continue to be powerful tools to probe molecular behavior: In this study, we used a simulation cell consisting of 896 water molecules in an ice-lh configuration to compare structural properties of protonrandomized simulated ice using the Single Point Charge (SPC) potential model. A subtle, significant crystal defect is found in proton-randomized ice which involves two of the three mutually perpendicular dipole angle distributions. This deformity does not influence macroscopic behavior of the substance, but it does indicate a departure in arrangement from the known structure of water: It is therefore recommended that an ordered ice structure first be set up, and then random perturbations made to achieve a proton disordered structure
format Article
author M.Pratt, Ronald
spellingShingle M.Pratt, Ronald
Structural perturbations in proton-randomized single point charge simulated ice
author_facet M.Pratt, Ronald
author_sort M.Pratt, Ronald
title Structural perturbations in proton-randomized single point charge simulated ice
title_short Structural perturbations in proton-randomized single point charge simulated ice
title_full Structural perturbations in proton-randomized single point charge simulated ice
title_fullStr Structural perturbations in proton-randomized single point charge simulated ice
title_full_unstemmed Structural perturbations in proton-randomized single point charge simulated ice
title_sort structural perturbations in proton-randomized single point charge simulated ice
publishDate 2001
url http://journalarticle.ukm.my/1385/
http://www.ukm.my/jkukm/index.php/jkukm
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