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Quantum ESPRESSO (Quantum Open-Source Package for Research in Electronic Structure, Simulation, and Optimization; QE) [2] [3] is a suite for first-principles electronic-structure calculations and materials modeling, distributed for free and as free software under the GNU General Public License.
Quantum chemistry computer programs are used in computational chemistry to implement the methods of quantum chemistry. Most include the Hartree–Fock (HF) and some post-Hartree–Fock methods. They may also include density functional theory (DFT), molecular mechanics or semi-empirical quantum chemistry methods .
Quantum ESPRESSO: No No Yes Yes No No Yes I Yes Open-source suite focused on electronic-structure calculations and MD (particularly CPMD), popular for its flexibility and extensive community support. Free open source GNU GPLv2 or later Quantum ESPRESSO: SAMSON: Yes Yes Yes Yes No No Yes No No Computational nanoscience (life sciences, materials ...
SIESTA (Spanish Initiative for Electronic Simulations with Thousands of Atoms) is an original method and its computer program implementation, to efficiently perform electronic structure calculations and ab initio molecular dynamics simulations of molecules and solids.
The projector augmented wave method (PAW) is a technique used in ab initio electronic structure calculations. It is a generalization of the pseudopotential and linear augmented-plane-wave methods, and allows for density functional theory calculations to be performed with greater computational efficiency.
This is a list of notable computer programs that are used to model nanostructures at the levels of classical mechanics [1] and quantum mechanics. Furiousatoms [2] - a powerful software for molecular modelling and visualization; Aionics.io [3] - a powerful platform for nanoscale modelling; Ascalaph Designer; Atomistix ToolKit and Virtual NanoLab ...
The Car–Parrinello method is a type of molecular dynamics, usually employing periodic boundary conditions, planewave basis sets, and density functional theory, proposed by Roberto Car and Michele Parrinello in 1985 while working at SISSA, [1] who were subsequently awarded the Dirac Medal by ICTP in 2009.
The Amsterdam Modeling Suite has expanded beyond DFT since 2010, with the semi-empirical MOPAC code, the Quantum ESPRESSO plane wave code, a density-functional based tight binding module, a reactive force field module ReaxFF, and an implementation of Klamt's [3] COSMO-RS method, which also includes COSMO-SAC, UNIFAC, and QSPR.