Computational and Quantum Chemistry – Telegram
Computational and Quantum Chemistry
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A group dedicated to everything about theoretical and computational/quantum chemistry.
Please, write in English only. Keep on-topic. Be respectful always.
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Starting soon:
Invited Speaker: Prof. Michael Shirts
Title: Using mixture distributions and maximum likelihood to calculate thermodynamic properties from simulations
LIVE! Starting in 30 min: https://www.youtube.com/watch?v=bEb9PSuJQLU

ORAL LECTURE 4 - Karine Nascimento de Andrade (UFF) - Hydrolysis of alkyl halides: the influence of water solvation models on the SNX mechanism

ORAL LECTURE 5 - Dayenny Louise D'Amato (UFF) - Gold nanoparticles immunoassay for the fast detection of SARS-CoV-2 spike protein by Dynamic Light Scattering

ORAL LECTURE 6 - Isabela Alves de Albuquerque Bessa (UFF) - Mesoporous silica/hydroxyapatite nanocomposites: a biocompatible material for cancer treatment

Invited Speaker: Prof. Andrew S. Paluch
Title: Predicting the Distribution of Drug-like Solutes Between Octanol and Water
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How about running MD simulations using the computational power of Google Colab for free?
Yes, it is possible: https://pablo-arantes.github.io/making-it-rain/
MolCalc - The Molecule Calculator
The molecule calculator is a small web-based interface for doing small-scale quantum chemistry calculation with the intent of giving chemical intuition to students, from high-school to university. Hosted at http://molcalc.org
MOPAC2016 is now open access
So you don't have to request a license anymore: just download and use.
http://openmopac.net/Download_MOPAC_Executable_Step2.html
Metal Complexes by M J Clarke et al.pdf
9.4 MB
MOLECULAR ORBITALS OF TRANSITION METAL COMPLEXES
Yves Jean, Colin Marsden
karton_spackman_2021_evaluation_of_density_functional_theory_for.pdf
1.2 MB
Evaluation of density functional theory for a large and diverse set of organic and inorganic equilibrium structures
Severe bug in ORCA 5.0.1
All users are advised to update to 5.0.2 and check previous results using ORCA 5.0.1

This ORCA release is especially relevant as it fixes a race-condition in a combination of shared matrices and parallel linear algebra, leading to unreliable results and undefined run-time behaviour the more cores have been used.
Due to this bug, all users are thoroughly encouraged to upgrade their ORCA version to 5.0.2 immediately!
UCSF ChimeraX version 1.3 has been released!

ChimeraX includes user documentation and is free for noncommercial use.
Download for Windows, Linux, and MacOS from:

https://www.rbvi.ucsf.edu/chimerax/download.html

Updates since version 1.2 (May 2021) include:

- AlphaFold tool and command to get AI-predicted protein structures
- Selection Inspector to inspect/change attributes of atoms, bonds, etc.
- Scale Bar tool and command
- new BLAST Protein GUI with easier controls for showing hit info such as
source species, crystallographic resolution, ligands in structure
- Altloc Explorer tool and command to switch among alternate locations
- model loops and missing segments with Modeller
- combine or copy models
- change bond lengths
- apply command files iteratively to multiple input files
- list multiple map-fitting solutions from global search