WATOC-2020 (2022) Poster – DENSITY FUNCTIONAL EMBEDDING SCHEME FOR MOLECULES AND PERIODIC SYSTEMS
Hi! It’s me, Manas Sharma. Unfortunately, I couldn’t be there in person as I didn’t get the VISA on time 🙁 Anyway, I…
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Category: Quantum Chemistry
Posts related to quantum chemistry and related computer codes like PySCF, CrysX, TURBOMOLE, Quantum ESPRESSO, etc.
Basis Set Converter Web Application
The following is the Web Application built using Python, BSE and Streamlit that allows inter-conversion between various basis set formats used by different…
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Nanocluster Global Optimization using CALYPSO and Quantum ESPRESSO
Get a license for CALYPSO by going to this page and filling out the form. Then download the latest CALYPSO package as well…
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Geometry Optimization Algorithms and implementations using Quantum ESPRESSO
So, I’ve been using Quantum ESPRESSO (QE) for a while now. And it’s relaxation (optimization) functionality as well. Now, although I had a…
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Atomic Form Factor Calculator and Table
If you follow my blog, then you’d probably remember how I tried to write a powder X-Ray diffraction (XRD) pattern simulator quite a…
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Bulk Modulus calculation using Quantum ESPRESSO
Tutorial Quantum ESPRESSO has a package called ev.x that can be used to calculate the bulk modulus of a material. ev.x basically offers…
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How to calcuate the Hubbard Parameter U/J for Quantum Espresso? [SOLVED]
One of the major drawbacks of the conventional DFT methods like LDA & GGA is the underestimation of band-gap. This occurs because of…
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How to calculate the band gap from SCF calculation? [QUANTUM ESPRESSO]
I’m writing this post because I had a lot of people asking me about this. Calculating the bandstructure is a straight-forward job in…
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ZnS (Wurtzite) – DFT Study
Crystal Structure: CIF Source: Ulrich F, Zachariasen W H Zeitschrift fur Kristallographie 62 (1925) 260-273 Ueber die kristallstruktur des alpha- und beta-CdS, sowie…
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ZnS (cubic) – DFT Study
Crystal Structure: CIF Source: American Mineralogist 46 (1961) 1399-1411 Unit-cell edges of natural and synthetic sphalerites Locality: synthetic _database_code_amcsd 0000110 http://rruff.geo.arizona.edu/AMS/download.php?id=00200.cif&down=cif Simulated Powder…
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