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45 votes
10 answers
9k views

What are the types of charge analysis?

I am evaluating the atomic charge of a system using inter-atomic potentials and comparing with using DFT. I know about the following types of partial charge: Mulliken, Bader, Qeq. I wonder what are ...
DGKang's user avatar
  • 890
32 votes
6 answers
4k views

What are the types of DFT?

Similar to: What are the types of charge analysis?, What are the types of bond orders?, and What are some recent developments in density functional theory?, I would like to ask: What are the different ...
Nike Dattani - No Free Time's user avatar
20 votes
5 answers
1k views

What are the types of SCF?

Many of us know the most common types of SCF (though we can do better than Wikipedia at explaining them): RHF (Restricted Hartree-Fock), RKS (Restricted Kohn-Sham) [link to answer] UHF (Unrestricted ...
Nike Dattani - No Free Time's user avatar
21 votes
4 answers
2k views

What are the types of bond orders?

I am studying the interaction of a metal with a nanostructure. As we can not trust graphical software about the bond formation, I decided to analyze them using the software Multiwfn. It happens that ...
Camps's user avatar
  • 23.3k
20 votes
3 answers
2k views

What are the types of ab initio Molecular Dynamics?

I am new to the world of Molecular Dynamics, and am curious to know exactly what is considered to be an ab initio Molecular Dynamics (AIMD) method, and how do they work? The seminal work by Roberto ...
epalos's user avatar
  • 4,799
13 votes
3 answers
577 views

What are the types of Quantum Monte Carlo?

Similar to: What are the types of SCF? What are the types of MCSCF? What are the types of ab initio Molecular Dynamics? What are the types of pseudopotentials? What are the types of DFT? What are the ...
Nike Dattani - No Free Time's user avatar
17 votes
2 answers
703 views

What are the types of pseudopotentials?

I would like to know what are the different types of pseudopotentials, the pro and cons, and what properties can/cannot be calculated with them?
Camps's user avatar
  • 23.3k
12 votes
2 answers
604 views

What are the references in multi-reference methods?

After reading What exactly is meant by 'multi-configurational' and 'multireference'? I still don't understand what the multiple "references" are. I understand that you can for example use a ...
M0M0's user avatar
  • 457
9 votes
1 answer
3k views

Software for quantum electrodynamics?

I've been reading some beginner books about quantum electrodynamics / quantum field theory (e.g. Feynman's QED book), and basically everything is done at the paper and pencil level. I'm curious if ...
Alex I's user avatar
  • 1,038
12 votes
1 answer
896 views

Comparing GAMESS, OpenMOLCAS and Psi4

Over the years many open-source ab initio packages have been developed and the diversity in subroutines, methods and portability (ability to interface with other software) is quite varied for ...
user avatar
15 votes
1 answer
294 views

What are the ways to add dynamic correlation to an MCSCF wavefunction?

We recently learned about the many types of MCSCF, which treat "static" electron correlation. There are then many ways to treat further "dynamic" electron correlation to try and ...
Nike Dattani - No Free Time's user avatar
11 votes
1 answer
190 views

What are the types of DMRG?

The following questions have worked out very well 😊 : What are the types of Quantum Monte Carlo? What are the types of SCF? What are the types of MCSCF? What are the types of ab initio Molecular ...
Nike Dattani - No Free Time's user avatar
8 votes
1 answer
80 views

What are the types of PT applied to electronic structure methods?

The motivation for this question is similar in nature to the series of questions on different methods : What are the types of SCF? What are the types of MCSCF? What are the types of Quantum Monte ...
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