WebbI calculated the Phonon frequencies at Gamma point to study the stability of my system by using Quntum Espresso . I got 3 negative (imaginary) acoustic mode having values ( … WebbhiPhive is a tool for efficiently extracting high-order force constants from atomistic simulations, most commonly density functional theory calculations. A detailed …
GitHub - hiphive/hiphive
Webb11 feb. 2024 · Here, the hiphive Python package, that enables the construction of force constant models up to arbitrary order is presented. hiphive exploits crystal symmetries to reduce the number of free parameters and then employs advanced machine learning algorithms to extract the force constants. Webb11 apr. 2024 · Hello, you didn't provide any information about the structure nor the convergence. You should check that the SCF settings are OK (proper energy … clothes rack for plants
Thread: [Phonopy-users] negative frequencies phonopy
WebbContribute to hiphive/hiphive development by creating an account on GitHub. This commit does not belong to any branch on this repository, and may belong to a fork … Webb7 apr. 2024 · You should also check the displacement > pattern relative to the small negative frequencies about Gamma to > check > if these are due to physical reasons or … Webbhiphive Project information Project information Activity Labels Members Repository Repository Files Commits Branches Tags Contributors Graph Compare Locked Files Issues 9 Issues 9 List Boards Service Desk Milestones Iterations Requirements Merge requests 3 Merge requests 3 CI/CD CI/CD Pipelines Jobs Schedules Test Cases … clothes rack for garage sale