The VASP Manual: Difference between revisions

From VASP Wiki
No edit summary
No edit summary
 
(171 intermediate revisions by 14 users not shown)
Line 1: Line 1:
== Getting started ==
{| cellpadding="5" cellspacing="15" style="width: 100%; border-spacing: 15px;"
| style="background-color:#EADEEF;"| [[Welcome|Take a tour]] || style="background-color:#EADEEF;"|[[Installing VASP.6.X.X|Install VASP]] || style="background-color:#EADEEF;"| [https://www.vasp.at/sign_in/registration_form/ Get a license]
|-
|style="background-color:#F6D5DB;"| [[Changelog|Release notes]] ||style="background-color:#F6D5DB;"| [https://www.vasp.at VASP website and news] ||style="background-color:#F6D5DB;"| [https://www.vasp.at/forum/ Forum]
|-
|style="background-color:#EDFAF9;"|[https://www.vasp.at/learn/ Learn], [[:Category:Examples|examples]], [[:Category:Tutorials|Wiki tutorials]]  ||style="background-color:#EDFAF9;"| {{py4vasp}} ||style="background-color:#EDFAF9;"| [https://www.vasp.at/sign_in/portal Portal]
|-
|style="background-color:#D1DCFA;"| [[Known issues]] ||style="background-color:#D1DCFA;"| [https://www.vasp.at/tutorials/latest/ Tutorials]||style="background-color:#D1DCFA;"| [https://www.youtube.com/channel/UCBATkNZ7pkAXU9tx7GVhlaw Lectures]
|-
|}


To get started have a look at [[VASP workshop|a typical VASP workshop]].
== Featured topics ==
 
{| style="width: 100%" class="sortable wikitable"
These [[Lectures_and_presentations|lectures]], [[:Category:Tutorials|tutorials]], and [[:Category:Examples|examples]] are highly recommended if you are a beginner and often even useful if you are not!
:{| cellpadding="5" cellspacing="15"
| [[The VASP Manual#Getting started|Getting started]] || Absolute beginners should start here and preferably work through the VASP workshop material.
|-
|-
| [[The VASP Manual#Tutorials and Examples|Tutorials and Examples]]|| The collection of tutorials and examples is a good place to start as well.
! scope="col" style="width: 20%; padding:5px; border-style: solid; border-width: 15px; border-color: white" | '''Category'''
! scope="col" class="unsortable" style="padding:5px; border-style: solid; border-width: 15px; border-color: white" | ''subtopics (amongst others)''
|-
|-
 
|style="background-color:#EADEEF; padding:5px; border-style: solid; border-width: 15px; border-color: white"| [[:Category:Theory| Theoretical background]]|| style="background: white; padding:5px; border-style: solid; border-width: 15px; border-color: white"| In this category, we collect '''theory pages''' from all the different areas VASP offers functionalities. These can also be reached from the corresponding category. For instance, the article on the [[Blocked-Davidson algorithm]] is also linked from the [[electronic minimization]] page.
== Features ==
:{| cellpadding="5" cellspacing="15"
| [[:Category:IO|IO]]|| Information on assorted input parameters/files.
|-
|-
| [[:Category:Theory| Theoretical Background]]|| Important relations covering DFT, PAW, etc.
|style="background-color:#EADEEF; padding:5px; border-style: solid; border-width: 15px; border-color: white"| [[:Category:Calculation setup| Calculation setup]] || style="background: white; padding:5px; border-style: solid; border-width: 15px; border-color: white" | This category contains all pages and topics relevant to the '''computational setup'''. For instance, [[installation]], [[files]], [[performance]], etc. To learn how to setup your calculation, it is probably best to look for a [[:Category:Howto|how-to page]], e.g. [[Band-structure calculation using hybrid functionals]].
|-
|-
| [[:Category:Electronic Minimization| Electronic Minimization]]||  
|style="background-color:#F6D5DB; padding:5px; border-style: solid; border-width: 15px; border-color: white"|[[:Category:Electronic minimization| Electronic minimization]]|| style="background: white; padding:5px; border-style: solid; border-width: 15px; border-color: white"| '''Electronic minimization''' is the central task in many calculations. Here, you find pages describing the [[self-consistency cycle]], different algorithms, e.g., [[blocked-Davidson algorithm]], [[RMM-DIIS]], [[direct optimization of the orbitals]], and related topics like [[preconditioning]], [[density mixing]], etc.
|-
|-
| [[:Category:XC Functionals| XC Functionals]]||  
|style="background-color:#F6D5DB; padding:5px; border-style: solid; border-width: 15px; border-color: white"| [[:Category:Electronic ground-state properties| Electronic ground-state properties]]|| style="background: white; padding:5px; border-style: solid; border-width: 15px; border-color: white"| [[:Category:Band structure|Band structure]], [[:Category:Density of states |density of states]], partial DOS and on-site charge and magnetization ({{TAG|LORBIT}}), [[:Category:Electrostatics |electrostatics]], [[:Category:Charge density|charge density]], [[:Category:Potential|potential]], etc.
|-
|-
| [[:Category:Hybrids| Hybrid Functionals]]||  
|style="background-color:#F6D5DB; padding:5px; border-style: solid; border-width: 15px; border-color: white"| [[:Category:Magnetism| Spin degree of freedom]]|| style="background: white; padding:5px; border-style: solid; border-width: 15px; border-color: white"| Spin-orbit coupling, noncollinear magnetism, spin spirals, constrained magnetism, etc.
|-
|-
| [[:Category:Structural Optimization| Structural Optimization]]||
|style="background-color:#F6D5DB; padding:5px; border-style: solid; border-width: 15px; border-color: white"| [[:Category:Exchange-correlation functionals|Exchange-correlation functionals]]|| style="background: white; padding:5px; border-style: solid; border-width: 15px; border-color: white"| [[:Category:Exchange-correlation_functionals|LDA]], [[:Category:Exchange-correlation_functionals|GGA]], [[:Category:Exchange-correlation_functionals|meta-GGA]], [[:Category:DFT+U|DFT+U]], [[:Category:Hybrid functionals|hybrid functionals]], [[:Category:van_der_Waals_functionals|van der Waals functionals]].
|-
|-
| [[:Category:Vibrational Properties| Vibrational Properties]]||
|style="background-color:#EDFAF9; padding:5px; border-style: solid; border-width: 15px; border-color: white"| [[:Category:Symmetry| Symmetry and structure]]|| style="background: white; padding:5px; border-style: solid; border-width: 15px; border-color: white"| Crystal symmetry, [[:Category:Crystal momentum|reciprocal space]], surfaces, pair-correlation function for liquids, etc.
|-
|-
| [[:Category:Dynamics| Molecular Dynamics]]||
|style="background-color:#EDFAF9; padding:5px; border-style: solid; border-width: 15px; border-color: white"| [[:Category:Ionic minimization| Ionic minimization]]||style="background: white; padding:5px; border-style: solid; border-width: 15px; border-color: white"| [[Structure optimization]], ionic-minimization methods, [[:Category:Forces|forces]], [[:Category:Transition States|transition states]], etc.
|-
|-
| [[:Category:Dielectric Properties| Dielectric Properties]]||
|style="background-color:#EDFAF9; padding:5px; border-style: solid; border-width: 15px; border-color: white"| [[:Category:Molecular dynamics| Molecular dynamics]]||style="background: white; padding:5px; border-style: solid; border-width: 15px; border-color: white"| Barostats, [[:Category:Thermostats|thermostats]], [[:Category:Ensembles|ensembles]], etc.
|-
|-
| [[:Category:Linear Response| Linear Response]]||
|style="background-color:#EDFAF9; padding:5px; border-style: solid; border-width: 15px; border-color: white"| [[:Category:Ensemble properties| Ensemble properties]]||style="background: white; padding:5px; border-style: solid; border-width: 15px; border-color: white"| Monitoring geometric parameters, pair-correlation function, thermal conductivity, diffusion, etc.
|-
|-
| [[:Category:NMR| NMR]]||
|style="background-color:#EDFAF9; padding:5px; border-style: solid; border-width: 15px; border-color: white"| [[:Category:Advanced molecular-dynamics sampling| Advanced molecular-dynamics sampling]] ||style="background: white; padding:5px; border-style: solid; border-width: 15px; border-color: white"| [[Interface pinning]], [[constrained molecular dynamics]], [[metadynamics]], [[thermodynamic integration]], etc.
|-
|-
| [[:Category:Many-Body Perturbation Theory| Many-Body Perturbation Theory]]||
|style="background-color:#EDFAF9; padding:5px; border-style: solid; border-width: 15px; border-color: white"| [[:Category:Machine-learned force fields| Machine-learned force fields]]||style="background: white; padding:5px; border-style: solid; border-width: 15px; border-color: white"| Training and application of force fields.
|-
|-
| [[:Category:Magnetism| Magnetism]]||
|style="background-color:#D1DCFA; padding:5px; border-style: solid; border-width: 15px; border-color: white"| [[:Category:Phonons| Phonons]]||style="background: white; padding:5px; border-style: solid; border-width: 15px; border-color: white"| Lattice vibrations, [[Phonons_from_finite_differences | finite differences]], [[Computing_the_phonon_dispersion_and_DOS | phonon dispersion relation]].
|-
|-
| [[:Category:Surfaces| Surfaces]]||
|style="background-color:#D1DCFA; padding:5px; border-style: solid; border-width: 15px; border-color: white"| [[:Category:Electron-phonon_interactions | Electron-phonon interactions]]||style="background: white; padding:5px; border-style: solid; border-width: 15px; border-color: white"| [[Bandgap_renormalization_due_to_electron-phonon_coupling | Band-structure renormalization]], [[Transport_coefficients_including_electron-phonon_scattering | transport]], [[Electron-phonon_interactions_from_Monte-Carlo_sampling |stochastic sampling]].
|-
|-
| [[:Category:Defects| Defects]]||
|style="background-color:#D1DCFA; padding:5px; border-style: solid; border-width: 15px; border-color: white"|  [[:Category:Linear response| Response theory]]||style="background: white; padding:5px; border-style: solid; border-width: 15px; border-color: white"| Static and frequency-dependent [[:Category:Dielectric properties|dielectric properties]], Berry phases, spectroscopy (UV, VIS, X-ray), [[:Category:Phonons|phonons]], etc.
|-
|-
| [[:Category:Molecules| Molecules]]||
|style="background-color:#D1DCFA; padding:5px; border-style: solid; border-width: 15px; border-color: white"| [[:Category:Many-body perturbation theory| Many-body perturbation theory]]||style="background: white; padding:5px; border-style: solid; border-width: 15px; border-color: white"| ACFDT, BSE, GW, MP2, CRPA.
|}
 
----
 
 
== Installation and validation ==
[[Installing VASP|How to install VASP]] and validate your installation by means of [[Validating VASP|the VASP test suite and benchmarks]].
 
 
 
== Input ==
 
As a minimal setup, VASP requires the user to prepare the following input files:
 
{{FILE|INCAR}}, {{FILE|KPOINTS}}, {{FILE|POSCAR}}, and {{FILE|POTCAR}}.
 
If present (in the directory where the calculation runs) the following [[The VASP Manual#Output|output files]] of previous runs may be read as restart information:
 
{{FILE|CHGCAR}} and/or {{FILE|WAVECAR}}.
 
If present (in the directory where the calculation runs) the following file leads to a "soft" stop of the calculation:
 
{{FILE|STOPCAR}}.
 
Some specific features of VASP require additional [[The VASP Manual#Output|output files]] from previous runs to be present:
 
== Output ==
 
The main output file of VASP is the {{FILE|OUTCAR}} file.
 
The {{FILE|OSZICAR}} file ...
 
:{| cellpadding="5" cellspacing="15"
| {{FILE|CHGCAR}} || {{FILE|WAVECAR}} || {{FILE|CHG}} || {{FILE|WAVEDER}}
|-
|-
| {{FILE|CONTCAR}} || {{FILE|XDATCAR}} || {{FILE|EIGENVAL}} || {{FILE|IBZKPT}}
<!--| [[:Category:Defects| Defects and doping]]||style="background: white; padding:5px; border-style: solid; border-width: 15px; border-color: white"| Dipole corrections for defects in solids, VCA, etc.
|- -->
<!-- | [[:Category:Core states| Core states]]||style="background: white; padding:5px; border-style: solid; border-width: 15px; border-color: white"| Frozen-core approximation, X-ray abpsorption spectra (SCH calculations), ICORELEVEL, etc.
|- -->
|style="background-color:#F6D5DB; padding:5px; border-style: solid; border-width: 15px; border-color: white"| [[:Category:Wannier functions| Localized basis and projection]]||style="background: white; padding:5px; border-style: solid; border-width: 15px; border-color: white"| Obtaining [[Wannier functions]], SCDM, partial DOS and on-site charge and magnetization ({{TAG|LORBIT}}), [[Constrained-random-phase approximation]]
|-
|-
| {{FILE|DOSCAR}} || {{FILE|PROCAR}} || {{FILE|PROOUT}} || {{FILE|PCDAT}}
|style="background-color:#EADEEF; padding:5px; border-style: solid; border-width: 15px; border-color: white"| [[:Category:Performance| Performance]]||style="background: white; padding:5px; border-style: solid; border-width: 15px; border-color: white"| [[:Category:Parallelization| Parallelization]], [[:Category:Memory|memory management]], profiling, etc.
<!---
|-
|-
| {{FILE|ELFCAR}} || {{FILE|PARCHG}} || {{FILE|LOCPOT}} || {{FILE|TMPCAR}}
|style="background-color:#EADEEF; padding:5px; border-style: solid; border-width: 15px; border-color: white"| [[:Category:VASP6|Outlook]]|| style="background: white; padding:5px; border-style: solid; border-width: 15px; border-color: white"|Features that will only be available in VASP.6.X.
|-
|-
| {{FILE|vasprun.xml}} || {{FILE|Wxxxx.tmp}} || {{FILE|WFULLxxxx.tmp}} || {{FILE|BSEFATBAND}}
--->
|}
|}
== Tutorials and Examples ==
*[[:Category:Tutorials|The list of tutorials]]
*[[:Category:Examples|All example calculations]]
== Lectures and Presentations ==
*[[Lectures_and_presentations|Lecture notes (and videos)]]
== Visualisation and Postprocessing ==
Here we can link to postprocessing programs and script, visualization tools, etc etc.


== Support ==
== Support ==
If you have questions or run into trouble, please have a look and/or post a question at the [http://cms.mpi.univie.ac.at/vasp-forum/forum.php VASP forum].
If you have questions or run into trouble, please have a look at the [[Known issues|known issues]] and/or post a question on the [https://www.vasp.at/forum/ VASP Forum].
 
{{NB|mind|We offer support on a courtesy basis only, not as a contractual service.}}
Requests for support from the VASP group are to be directed WITHOUT EXCEPTION to the official VASP email address: [mailto:vasp.materialphysik@univie.ac.at vasp.materialphysik@univie.ac.at].
 
Please note: we offer support on a courtesy base only, not as a contractual service.


----
----
[[The VASP Manual#toc|Back to the top]]
[[The VASP Manual#toc|Back to the top]]

Latest revision as of 13:29, 28 February 2025

Take a tour Install VASP Get a license
Release notes VASP website and news Forum
Learn, examples, Wiki tutorials py4vasp Portal
Known issues Tutorials Lectures

Featured topics

Category subtopics (amongst others)
Theoretical background In this category, we collect theory pages from all the different areas VASP offers functionalities. These can also be reached from the corresponding category. For instance, the article on the Blocked-Davidson algorithm is also linked from the electronic minimization page.
Calculation setup This category contains all pages and topics relevant to the computational setup. For instance, installation, files, performance, etc. To learn how to setup your calculation, it is probably best to look for a how-to page, e.g. Band-structure calculation using hybrid functionals.
Electronic minimization Electronic minimization is the central task in many calculations. Here, you find pages describing the self-consistency cycle, different algorithms, e.g., blocked-Davidson algorithm, RMM-DIIS, direct optimization of the orbitals, and related topics like preconditioning, density mixing, etc.
Electronic ground-state properties Band structure, density of states, partial DOS and on-site charge and magnetization (LORBIT), electrostatics, charge density, potential, etc.
Spin degree of freedom Spin-orbit coupling, noncollinear magnetism, spin spirals, constrained magnetism, etc.
Exchange-correlation functionals LDA, GGA, meta-GGA, DFT+U, hybrid functionals, van der Waals functionals.
Symmetry and structure Crystal symmetry, reciprocal space, surfaces, pair-correlation function for liquids, etc.
Ionic minimization Structure optimization, ionic-minimization methods, forces, transition states, etc.
Molecular dynamics Barostats, thermostats, ensembles, etc.
Ensemble properties Monitoring geometric parameters, pair-correlation function, thermal conductivity, diffusion, etc.
Advanced molecular-dynamics sampling Interface pinning, constrained molecular dynamics, metadynamics, thermodynamic integration, etc.
Machine-learned force fields Training and application of force fields.
Phonons Lattice vibrations, finite differences, phonon dispersion relation.
Electron-phonon interactions Band-structure renormalization, transport, stochastic sampling.
Response theory Static and frequency-dependent dielectric properties, Berry phases, spectroscopy (UV, VIS, X-ray), phonons, etc.
Many-body perturbation theory ACFDT, BSE, GW, MP2, CRPA.
Localized basis and projection Obtaining Wannier functions, SCDM, partial DOS and on-site charge and magnetization (LORBIT), Constrained-random-phase approximation
Performance Parallelization, memory management, profiling, etc.

Support

If you have questions or run into trouble, please have a look at the known issues and/or post a question on the VASP Forum.

Mind: We offer support on a courtesy basis only, not as a contractual service.

Back to the top