psi4

Open-Source Quantum Chemistry – an electronic structure package in C++ driven by Python

https://github.com/psi4/psi4

Science Score: 49.0%

This score indicates how likely this project is to be science-related based on various indicators:

  • CITATION.cff file
  • codemeta.json file
    Found codemeta.json file
  • .zenodo.json file
    Found .zenodo.json file
  • DOI references
    Found 15 DOI reference(s) in README
  • Academic publication links
  • Committers with academic emails
    114 of 286 committers (39.9%) from academic institutions
  • Institutional organization owner
  • JOSS paper metadata
  • Scientific vocabulary similarity
    Low similarity (8.1%) to scientific vocabulary

Keywords

c-plus-plus chemistry computational-chemistry physics python quantum-chemistry

Keywords from Contributors

standards physical-constant codata nist periodic-table tensor molecular-dynamics qcschema pyscf dispersion-correction
Last synced: 4 months ago · JSON representation

Repository

Open-Source Quantum Chemistry – an electronic structure package in C++ driven by Python

Basic Info
  • Host: GitHub
  • Owner: psi4
  • License: lgpl-3.0
  • Language: C++
  • Default Branch: master
  • Homepage: http://psicode.org
  • Size: 139 MB
Statistics
  • Stars: 1,078
  • Watchers: 62
  • Forks: 465
  • Open Issues: 425
  • Releases: 17
Topics
c-plus-plus chemistry computational-chemistry physics python quantum-chemistry
Created almost 13 years ago · Last pushed 5 months ago
Metadata Files
Readme Contributing License Support Codemeta

README.md

| Status | Azure DevOps builds Codecov coverage | | :------ | :------- | | Latest Release | Last release tag Commits since release python | | Communication | User site docs latest chat on forum dev chat on slack | | Foundation | license platforms python | | Installation | obtain latest Conda Anaconda-Server Badge | | Demo | Binder |

Psi4 is an open-source suite of ab initio quantum chemistry programs designed for efficient, high-accuracy simulations of molecular properties. We routinely perform computations with >2500 basis functions on multi-core machines.

With computationally demanding portions written in C++, exports of many C++ classes into Python via Pybind11, and a flexible Python driver, Psi4 strives to be friendly to both users and developers.

  • Users' Website www.psicode.org

  • Downloading and Installing Psi4 https://psicode.org/psi4manual/master/build_faq.html (for the CMake adept, see CMakeLists.txt

  • Manual http://bit.ly/psi4manual (built nightly from master branch) or https://psicode.org/psi4manual/1.4.0/index.html (last release)

  • Tutorial https://psicode.org/psi4manual/master/tutorial.html for Psithon (psi4 job.in), https://psicode.org/psi4manual/master/psiapi.html for PsiAPI (python job.py)

  • Forum http://forum.psicode.org

  • Communication & Support https://psicode.org/psi4manual/master/introduction.html#technical-support

  • GitHub https://github.com/psi4/psi4 (authoritative repository)

  • Continuous Integration Status Azure DevOps builds on Linux and Windows

  • Anaconda https://anaconda.org/psi4 (binary available for Linux, Mac, Mac Silicon, Windows, and WSL Windows Binstar Badge ) Binstar Badge ) instructions

  • Coverage Python and C++ source code lines hit by running most of the test suite. codecov

  • Interested Developers https://psicode.org/developers.php (replacement page needed) (welcome to fork psi4/psi4 and follow GitHub contribution procedure) PRs welcome

  • Sample Inputs http://www.psicode.org/psi4manual/master/testsuite.html (also in samples/)

  • Download Tarball https://github.com/psi4/psi4/releases

License license

Psi4: an open-source quantum chemistry software package

Copyright (c) 2007-2025 The Psi4 Developers.

The copyrights for code used from other parties are included in the corresponding files.

Psi4 is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation, version 3.

Psi4 is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public License along with Psi4; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.

The full text of the GNU Lesser General Public License (version 3) is included in the COPYING.LESSER file of this repository, and can also be found here.

Citation doi

The journal article reference describing Psi4 is:

D. G. A. Smith, L. A. Burns, A. C. Simmonett, R. M. Parrish, M. C. Schieber, R. Galvelis, P. Kraus, H. Kruse, R. Di Remigio, A. Alenaizan, A. M. James, S. Lehtola, J. P. Misiewicz, M. Scheurer, R. A. Shaw, J. B. Schriber, Y. Xie, Z. L. Glick, D. A. Sirianni, J. S. O'Brien, J. M. Waldrop, A. Kumar, E. G. Hohenstein, B. P. Pritchard, B. R. Brooks, H. F. Schaefer III, A. Yu. Sokolov, K. Patkowski, A. E. DePrince III, U. Bozkaya, R. A. King, F. A. Evangelista, J. M. Turney, T. D. Crawford, C. D. Sherrill, "Psi4 1.4: Open-Source Software for High-Throughput Quantum Chemistry", J. Chem. Phys. 152(18) 184108 (2020).

  • doi for Psi4 v1.1
  • doi for Psi4NumPy
  • doi for Psi4 alpha releases
  • doi for Psi3

Owner

  • Name: psi4
  • Login: psi4
  • Kind: organization

CodeMeta (codemeta.json)

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      "affiliation": "Department of Physical Chemistry and Materials Science, University of Szeged",
      "latitude": 46.24686908961076,
      "longitude": 20.148394438118277,
      "@id": "https://orcid.org/0000-0002-4078-7624",
      "identifier": "https://github.com/TiborGY"
    },
    {
      "@type": "Person",
      "givenName": "Erica",
      "additionalName": "C.",
      "familyName": "Mitchell",
      "affiliation": "Center for Computational Quantum Chemistry, University of Georgia",
      "latitude": 33.94797,
      "longitude": -83.37482,
      "@id": "https://orcid.org/0000-0001-5649-5776",
      "identifier": "https://github.com/EricaCMitchell"
    },
    {
      "@type": "Person",
      "givenName": "John",
      "additionalName": "P.",
      "familyName": "Pederson",
      "affiliation": "School of Chemistry and Biochemistry, Georgia Institute of Technology",
      "latitude": 33.78,
      "longitude": -84.3965,
      "@id": "https://orcid.org/0000-0001-6718-3823",
      "identifier": "https://github.com/johnppederson"
    },
    {
      "@type": "Person",
      "givenName": "Austin",
      "additionalName": "M.",
      "familyName": "Wallace",
      "affiliation": "Center for Computational Molecular Science and Technology, Georgia Institute of Technology",
      "latitude": 33.780025,
      "longitude": -84.396543,
      "@id": "https://orcid.org/0000-0002-0659-6912",
      "identifier": "https://github.com/awallace3"
    }
  ],
  "developmentStatus": "active",
  "downloadUrl": "http://psicode.org/downloads",
  "keywords": [
    "quantum-chemistry",
    "computational-chemistry",
    "chemistry",
    "physics"
  ],
  "maintainer": "https://orcid.org/0000-0002-5570-7666",
  "programmingLanguage": [
    "C++",
    "Python",
    "C",
    "Fortran"
  ]
}

GitHub Events

Total
  • Issues event: 43
  • Watch event: 117
  • Delete event: 57
  • Issue comment event: 180
  • Push event: 65
  • Pull request review comment event: 132
  • Pull request review event: 168
  • Pull request event: 83
  • Fork event: 21
  • Create event: 58
Last Year
  • Issues event: 43
  • Watch event: 117
  • Delete event: 57
  • Issue comment event: 180
  • Push event: 65
  • Pull request review comment event: 132
  • Pull request review event: 168
  • Pull request event: 83
  • Fork event: 21
  • Create event: 58

Committers

Last synced: 8 months ago

All Time
  • Total Commits: 13,355
  • Total Committers: 286
  • Avg Commits per committer: 46.696
  • Development Distribution Score (DDS): 0.815
Past Year
  • Commits: 58
  • Committers: 23
  • Avg Commits per committer: 2.522
  • Development Distribution Score (DDS): 0.759
Top Committers
Name Email Commits
Lori A. Burns l****s@g****m 2,471
Daniel Smith m****n@m****m 1,038
jturney j****y@6****e 908
Justin Turney j****y@g****m 704
Andy Simmonett a****t@g****m 666
Jonathon Misiewicz j****7@u****u 577
rparrish r****h@g****m 430
rparrish r****h@6****e 413
andysim a****m@6****e 301
Ugur Bozkaya u****y@g****m 283
Alexander Sokolov a****x@c****u 230
Ryan Richard r****1@g****m 223
David Sherrill s****l@g****u 219
Francesco Evangelista f****a@g****m 205
rking r****g@6****e 181
Susi Lehtola s****a@g****m 165
Rollin King r****g@b****u 164
T. Daniel Crawford c****d@v****u 164
hohenstein h****n@6****e 161
deprince e****e@g****m 160
Holger Kruse m****r@g****m 155
Andrew M. James a****2@v****u 146
Roberto Di Remigio r****o@g****m 141
Roberto Di Remigio r****o@u****o 137
Raimondas Galvelis r****s@a****m 129
bmintz b****z@6****e 106
loriab l****b@6****e 101
schiebermc m****r@g****m 98
Jerome Gonthier j****r 94
zachglick g****y@g****m 93
and 256 more...
Committer Domains (Top 20 + Academic)
uga.edu: 10 vt.edu: 10 gatech.edu: 5 ccqc.uga.edu: 3 emory.edu: 3 elrond.chem: 3 me.com: 2 bethel.edu: 2 radagast.(none): 2 cerebro.chem.vt.edu: 2 auburn.edu: 2 lawn-128-61-122-73.lawn.gatech.edu: 1 login03.css.lan: 1 lawn-128-61-127-5.lawn.gatech.edu: 1 ugent.be: 1 lawn-128-61-118-160.lawn.gatech.edu: 1 lawn-128-61-118-75.lawn.gatech.edu: 1 sat.lazhome.net: 1 lawn-128-61-112-131.lawn.gatech.edu: 1 cvrsvc03.(none): 1 lawn-128-61-127-238.lawn.gatech.edu: 1 lawn-128-61-127-253.lawn.gatech.edu: 1 lawn-128-61-119-6.lawn.gatech.edu: 1 lawn-128-61-119-236.lawn.gatech.edu: 1 lawn-128-61-112-143.lawn.gatech.edu: 1 lawn-128-61-118-161.lawn.gatech.edu: 1 ufl.edu: 1 urmc.rochester.edu: 1 lawn-128-61-124-95.lawn.gatech.edu: 1 lawn-128-61-121-114.lawn.gatech.edu: 1 force.pace.gatech.edu: 1 purdue.edu: 1 lawn-128-61-112-221.lawn.gatech.edu: 1 lawn-128-61-114-96.lawn.gatech.edu: 1 chem.u-szeged.hu: 1 bsp-chem-h1.its.bethel.edu: 1 theochem.uni-hannover.de: 1 pci.uni-hannover.de: 1 kidlogin2.nics.utk.edu: 1 stanford.edu: 1 kidlogin1.nics.utk.edu: 1 lawn-128-61-125-182.lawn.gatech.edu: 1 ccc.uga.edu: 1 bmintz-en1.jics.utk.edu: 1 sheffield.ac.uk: 1 lawn-128-61-115-145.lawn.gatech.edu: 1 ucdavis.edu: 1 gordon-ln3.sdsc.edu: 1 force-6.pace.gatech.edu: 1 my.fsu.edu: 1 nd.edu: 1 herzberg.ccqc.uga.edu: 1 lawn-128-61-119-22.lawn.gatech.edu: 1 lawn-128-61-119-137.lawn.gatech.edu: 1 lawn-128-61-118-180.lawn.gatech.edu: 1 lawn-128-61-114-114.lawn.gatech.edu: 1 lawn-128-61-112-203.lawn.gatech.edu: 1 curtin.edu.au: 1 q.fhi-berlin.mpg.de: 1 sirius.chem.vt.edu: 1 silver.theochem.uni-hannover.de: 1 vortex.ccqc.uga.edu: 1 lawn-128-61-123-31.lawn.gatech.edu: 1 lawn-128-61-125-221.lawn.gatech.edu: 1 lawn-143-215-112-187.lawn.gatech.edu: 1 lawn-143-215-113-137.lawn.gatech.edu: 1 lawn-143-215-117-103.lawn.gatech.edu: 1 lawn-143-215-121-184.lawn.gatech.edu: 1 lawn-143-215-113-204.lawn.gatech.edu: 1 imperial.ac.uk: 1 lawn-128-61-116-92.lawn.gatech.edu: 1 cam.ac.uk: 1 lawn-128-61-121-51.lawn.gatech.edu: 1 lawn-128-61-121-107.lawn.gatech.edu: 1 lawn-128-61-70-78.lawn.gatech.edu: 1 colorado.edu: 1 ed1.chem.fsu.edu: 1 va166078.shef.ac.uk: 1 mail.gatech.edu: 1 lawn-143-215-117-183.lawn.gatech.edu: 1 lawn-143-215-116-246.lawn.gatech.edu: 1 lawn-143-215-113-237.lawn.gatech.edu: 1 lawn-128-61-122-22.lawn.gatech.edu: 1 lawn-128-61-119-143.lawn.gatech.edu: 1 lawn-128-61-117-235.lawn.gatech.edu: 1 lawn-128-61-112-162.lawn.gatech.edu: 1 bmintz-en0.jics.utk.edu: 1 kjemi.uio.no: 1 brutus4.ethz.ch: 1 gimli.chem.bethel.edu: 1 gordon-ln2.sdsc.edu: 1 lawn-143-215-117-111.lawn.gatech.edu: 1

Issues and Pull Requests

Last synced: 4 months ago

All Time
  • Total issues: 61
  • Total pull requests: 159
  • Average time to close issues: 8 months
  • Average time to close pull requests: 2 months
  • Total issue authors: 38
  • Total pull request authors: 31
  • Average comments per issue: 3.54
  • Average comments per pull request: 1.48
  • Merged pull requests: 91
  • Bot issues: 0
  • Bot pull requests: 0
Past Year
  • Issues: 35
  • Pull requests: 84
  • Average time to close issues: about 2 months
  • Average time to close pull requests: about 1 month
  • Issue authors: 26
  • Pull request authors: 17
  • Average comments per issue: 1.43
  • Average comments per pull request: 1.1
  • Merged pull requests: 45
  • Bot issues: 0
  • Bot pull requests: 0
Top Authors
Issue Authors
  • susilehtola (11)
  • corinwagen (7)
  • loriab (6)
  • Sulstice (4)
  • jevandezande (3)
  • griffinwilson2024 (3)
  • konpat (2)
  • Konjkov (2)
  • LecrisUT (2)
  • jthorton (1)
  • JSLJ23 (1)
  • JonathonMisiewicz (1)
  • njzjz (1)
  • AlexL1996 (1)
  • Andrew-S-Rosen (1)
Pull Request Authors
  • loriab (66)
  • JonathonMisiewicz (30)
  • davpoolechem (17)
  • andyj10224 (15)
  • susilehtola (15)
  • Awallace3 (12)
  • philipmnel (9)
  • TiborGY (8)
  • lcyyork (5)
  • AlexHeide (5)
  • konpat (5)
  • johnppederson (4)
  • PhillCli (4)
  • timostrunk (4)
  • KB1RD (4)
Top Labels
Issue Labels
coding-needed (3) documentation (2) strategy-needed (2) libmints (2) cleanup (2) good-first-issue (1) mugworthy (1) theory (1) scf (1) feature (1)
Pull Request Labels
cleanup (11) build (11) libmints (6) bug (6) cc (4) external-interface (3) backport (3) scf (2) feature (2) driver (2) optking (2) detci (2) wavefunction (2) schema (1) documentation (1) property (1) testing (1) ecpint-needed (1) sapt (1) fix-ci (1) api (1) Libint2 (1)

Packages

  • Total packages: 1
  • Total downloads: unknown
  • Total dependent packages: 0
  • Total dependent repositories: 0
  • Total versions: 8
proxy.golang.org: github.com/psi4/psi4
  • Versions: 8
  • Dependent Packages: 0
  • Dependent Repositories: 0
Rankings
Dependent packages count: 9.0%
Average: 9.6%
Dependent repos count: 10.2%
Last synced: 5 months ago

Dependencies

.github/workflows/docs-pr.yml actions
  • actions/checkout v2 composite
  • actions/upload-artifact v2 composite
  • conda-incubator/setup-miniconda v2 composite
.github/workflows/docs.yml actions
  • actions/checkout v2 composite
  • actions/upload-artifact v2 composite
  • ad-m/github-push-action master composite
  • conda-incubator/setup-miniconda v2 composite
.github/workflows/ecosystem.yml actions
  • actions/checkout v2 composite
  • conda-incubator/setup-miniconda v2 composite
  • ilammy/msvc-dev-cmd v1 composite
environment.yml pypi