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List of freely available molecular or crystal structure visualization software

DFT Quantum ChemistryDec 9, 2022Dec 11, 2022 Manas Sharma

When I first got into density functional theory (DFT) calculations (in 2017), the first crystal structure visualizer I used was BURAI (which is…

What are the approximations in Kohn-Sham DFT?

DFT Quantum ChemistryDec 3, 2022Jan 17, 2023 Manas Sharma

In Kohn-Sham density functional theory (KS-DFT), the ground state electron density is described using a single mathematical determinant, which leads to a set…

How to install PySCF on UBUNTU or MacOSX?

DFT PySCF Quantum ChemistryDec 2, 2022Jan 17, 2023 Manas Sharma

PySCF (Python-based Simulations of Chemistry Framework) is a free and open-source computational chemistry software package written in Python. It can be used for…

A quick introduction to Density Functional Theory

DFT Quantum ChemistryDec 2, 2022Dec 3, 2022 Manas Sharma

Density functional theory (DFT) is a computational quantum mechanical modeling method used in physics, chemistry and materials science to investigate the electronic structure…

What is the difference between DFT and Hartree-Fock method?

DFT Quantum ChemistryDec 2, 2022Dec 3, 2022 Manas Sharma

Density Functional Theory (DFT) and Hartree-Fock (HF) are both methods used in computational quantum chemistry to calculate the electronic structure of atoms and…

A poem/song on High Harmonic Generation

PhysicsDec 2, 2022 Manas Sharma

High harmonic generation (HHG) is a nonlinear optical process in which high-frequency light is generated by the interaction of a strong laser field…

CrysX DEMO: DFT based Embedding

DFT PySCF Quantum ChemistryNov 30, 2022Jan 17, 2023 Manas Sharma

This is an online interactive demo of various density functional theory (DFT) based embedding techniques like Frozen Density Embedding and Projection-based Embedding. It…