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231225s2019 xx |||||o 00| ||eng c |
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|a 10.1002/jcc.25804
|2 doi
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|a pubmed24n0981.xml
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|a eng
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|a Nishimura, Yoshifumi
|e verfasserin
|4 aut
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| 245 |
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|a Dcdftbmd
|b Divide-and-Conquer Density Functional Tight-Binding Program for Huge-System Quantum Mechanical Molecular Dynamics Simulations
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|c 2019
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 15.05.2020
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|a Date Revised 15.05.2020
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2019 Wiley Periodicals, Inc.
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|a Dcdftbmd is a Fortran 90/95 program that enables efficient quantum mechanical molecular dynamics (MD) simulations using divide-and-conquer density functional tight-binding (DC-DFTB) method. Based on the remarkable performance of previous massively parallel DC-DFTB energy and gradient calculations for huge systems, the code has been specialized to MD simulations. Recent implementations and modifications including DFTB extensions, improved computational speed in the DC-DFTB computational steps, algorithms for efficient initial guess charge prediction, and free energy calculations via metadynamics technique have enhanced the capability to obtain atomistic insights in novel applications to nanomaterials and biomolecules. The energy, structure, and other molecular properties are also accessible through the single-point calculation, geometry optimization, and vibrational frequency analysis. The available functionalities are outlined together with efficiency tests and simulation examples. © 2019 Wiley Periodicals, Inc
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a density functional tight-binding method
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| 650 |
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|a divide-and-conquer method
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| 650 |
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|a metadynamics
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| 650 |
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|a molecular dynamics
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| 700 |
1 |
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|a Nakai, Hiromi
|e verfasserin
|4 aut
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|i Enthalten in
|t Journal of computational chemistry
|d 1984
|g 40(2019), 15 vom: 05. Juni, Seite 1538-1549
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|x 1096-987X
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|g year:2019
|g number:15
|g day:05
|g month:06
|g pages:1538-1549
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|u http://dx.doi.org/10.1002/jcc.25804
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