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Handling electrostatic interactions in molecular simulations: A systematic study

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60461373%3A22340%2F08%3A00020667" target="_blank" >RIV/60461373:22340/08:00020667 - isvavai.cz</a>

  • Alternative codes found

    RIV/44555601:13440/08:00004175 RIV/67985858:_____/08:00312765

  • Result on the web

  • DOI - Digital Object Identifier

Alternative languages

  • Result language

    angličtina

  • Original language name

    Handling electrostatic interactions in molecular simulations: A systematic study

  • Original language description

    Two qualitatively different models with strong long-range electrostatic interactions, Lennard­Jones diatomics with an embedded dipole moment and TIP4P/2005 water, are considered in extensive Monte Carlo and molecular dynamics simulations to systematically study the differences in results caused by different treatments of the long-range electrostatic interactions. In addition to the standard Ewald summation and reaction field methods, we consider also two variants of short-range approximations. Both thermodynamic and structural properties, and both homogeneous and inhomogeneous phases are considered. It is shown that the accuracy of the short-range approximations with carefully selected parameters may be sufficient for a number of applications; however,in some cases one can encounter accuracy limits or structural or other artifacts.

  • Czech name

    Jak na elektrostatické interakce v molekulárních simulacích: systematická studie

  • Czech description

    V extenzivních Monte Carlo a molekulárně-dynamických simulacích uvažujeme dva kvalitativně odlišné modely se silnými dlouhodosahovými elektrostatickými interakcemi, Lennard-Jonesovu dvojatomovou molekulu s dipólovým momentem a TIP4P/2005 vodu, abychom systematicky prostudovali různé implementace dlouhodosahových elektrostatických sil. Kromě standardní Ewaldovy sumace a metody reakčního pole studujeme dvě varianty krátkodosahových interakcí. Uvažujeme jak termodynamické tak i strukturní vlastnosti a homogenní i nehomogenní fáze. Ukazujeme, že přesnost krátkodoshových aproximací může být při pečlivém nastavení parametrů dostatečná pro řadu aplikací; jindy však narážíme na limity přesnosti nebo na strukturní i jiné artefakty.

Classification

  • Type

    J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

  • CEP classification

    CF - Physical chemistry and theoretical chemistry

  • OECD FORD branch

Result continuities

  • Project

    <a href="/en/project/1ET400720409" target="_blank" >1ET400720409: Applicationof advanced simulation methods for studying the structure, physico-chemical properties, and preparationof composites and nanomaterials</a><br>

  • Continuities

    Z - Vyzkumny zamer (s odkazem do CEZ)

Others

  • Publication year

    2008

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    Collection of Czechoslovak Chemical Communications

  • ISSN

    0010-0765

  • e-ISSN

  • Volume of the periodical

    73

  • Issue of the periodical within the volume

    4

  • Country of publishing house

    CZ - CZECH REPUBLIC

  • Number of pages

    26

  • Pages from-to

  • UT code for WoS article

    000256753400003

  • EID of the result in the Scopus database