
What are the types of bond orders? - Matter Modeling Stack Exchange
Laplacian Bond Order This method is an extension of the QTAIM (Quantum Theory of Atoms In Molecules) concept of using the Laplacian of the electron density $\nabla^2\rho$ to characterize …
reference request - Bond Order: When and how is it used today?
12 Why Bond Order? Bond order isn't terribly useful to a computationalist directly; however, it can be invaluable for translating Quantum Mechanical results into a framework thats readily understood by …
Bond length from infrared spectra? - Matter Modeling Stack Exchange
Jul 26, 2020 · If you know the bond lengths of few such compounds, you can derive a very accurate linear correlation between the bond length and the frequency. So while you can't directly predict …
visualization software - How to add a bond between two atoms in …
Jan 14, 2022 · I want to add a bond between specific atoms. I found on VMD page that one can use topotools (e.g. topo addbond 1 2 ), but I have a lot of residues so this method didn't work with me. I …
How may I calculate the bond length between two atoms?
Apr 26, 2021 · Bond formation could be something like 1-P $_ {break}$. You could also run quantum calculations for all possible pairs (or higher order clusters) of atoms or hit the literature to look up …
Maximum bond length in Vesta - Matter Modeling Stack Exchange
Dec 30, 2022 · I need some cutoff radii to count bonds between different atoms in my system. When a .cif file is opened in Vesta, there are some default values of min and max bond lengths between two …
Scanning two bond lengths G-16 - Matter Modeling Stack Exchange
May 9, 2023 · When you are scanning two bond lengths in Gaussian, you step once through the first bond scan, and complete stepping through the second bond scan. For example, consider the case …
density functional theory - How to calculate homolytic bond ...
May 25, 2020 · An experimental colleague asked me how hard it would be to calculate homolytic bond-dissociation energies for different phosphonates which are involved in a Hydrophosphination. The …
What is the bond length of O2--? - Matter Modeling Stack Exchange
Jan 28, 2023 · The real bond length could be obtained by doing a CBS extrapolation using FCI-level calculations with aug-cc-pCV8Z and aug-cc-pCV9Z, then adding corrections for relativity, QED, Born …
molecular dynamics - Determine Forces from a Bond Angle Potential ...
Apr 23, 2023 · Any resources, proofs, suggestions on chapters from a textbook, etc. that would help to provide intuition on this problem would be very much appreciated. EDIT: I am going to post the …