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Multiscale Sampling of a Heterogeneous Water/Metal Catalyst Interface using Density Functional Theory and Force-Field Molecular Dynamics
JoVE Journal
Química
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JoVE Journal Química
Multiscale Sampling of a Heterogeneous Water/Metal Catalyst Interface using Density Functional Theory and Force-Field Molecular Dynamics

Multiscale Sampling of a Heterogeneous Water/Metal Catalyst Interface using Density Functional Theory and Force-Field Molecular Dynamics

DOI:
10.3791/59284-v

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10:52 min

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April 12, 2019

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, , , , ,
1Department of Chemical and Biomolecular Engineering,Clemson University, 2Davidson School of Chemical Engineering,Purdue University

Capítulos

  • 00:04Título
  • 00:51Add Explicit H2O Molecules
  • 03:12Extract the Proper Height of the Supercell
  • 05:06Generate Configurations of H2O Molecules
  • 06:10Determine the Hydrogen Bond Lifetime for Proper Time Sampling
  • 08:23Sample Configurations of Liquid H2O Molecules
  • 09:19Results: FFMD/AIMD Simulation
  • 10:21Conclusion

Summary

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Tadução automática

The goal of the protocol presented here is to generate and sample trajectories of configurations of liquid water molecules around catalytic species on a flat transition metal surface. The sampled configurations can be used as starting structures in quantum mechanics-based methods.

Tags

Multiscale SamplingHeterogeneous Water/metal Catalyst InterfaceDensity Functional TheoryForce-field Molecular DynamicsLiquid-phase Heterogeneous CatalysisQuantum MechanicsLiquid EnvironmentSolvent RoleVASPMCPliQVMDLAMMPSNPT SimulationEquilibrationAdsorbate StructureEnergy MinimizationProduction Run

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