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MOPAC

Semi-empirical quantum chemistry software
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MOPAC

Summary

MOPAC is a quantum chemistry software[1].

Key Facts

  • MOPAC's instance of is recorded as quantum chemistry software[2].
  • MOPAC's instance of is recorded as free software[3].
  • MOPAC's copyright license is recorded as Apache Software License 2.0[4].
  • MOPAC's operating system is recorded as Microsoft Windows[5].
  • MOPAC's operating system is recorded as Linux[6].
  • MOPAC's operating system is recorded as CentOS[7].
  • MOPAC's operating system is recorded as macOS[8].
  • MOPAC's software version identifier is recorded as 22.0.0[9].
  • MOPAC's software version identifier is recorded as 22.0.1[10].
  • MOPAC's software version identifier is recorded as 22.0.2[11].
  • MOPAC's software version identifier is recorded as 22.0.3[12].
  • MOPAC's software version identifier is recorded as 22.0.4[13].
  • MOPAC's software version identifier is recorded as 22.0.5[14].
  • MOPAC's software version identifier is recorded as 22.0.6[15].
  • MOPAC's software version identifier is recorded as 22.1.0[16].
  • MOPAC's software version identifier is recorded as 22.1.1[17].
  • MOPAC's software version identifier is recorded as 23.0.0[18].
  • MOPAC's software version identifier is recorded as 23.0.1[19].
  • MOPAC's software version identifier is recorded as 23.0.2[20].
  • MOPAC's software version identifier is recorded as 23.0.3[21].
  • MOPAC's software version identifier is recorded as 23.1.0[22].
  • MOPAC's software version identifier is recorded as 23.1.1[23].
  • MOPAC's software version identifier is recorded as 23.1.2[24].
  • MOPAC's software version identifier is recorded as 23.2[25].
  • MOPAC's software version identifier is recorded as 23.2.1[26].

Body

Definition and Type

Recorded instance of include quantum chemistry software[2] and free software[3].

Use and Application

MOPAC is used for computational chemistry[27].

Related Entities

CentOS computational chemistry free software Linux macOS Microsoft Windows

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [2] ↑ . wikidata.org.
  2. [3] ↑ . wikidata.org.
  3. [4] ↑ . wikidata.org.
  4. [5] ↑ . wikidata.org.
  5. [6] ↑ . wikidata.org.
  6. [7] ↑ . wikidata.org.
  7. [8] ↑ . wikidata.org.
  8. [9] ↑ . github.com. Retrieved . github.com. Provenance: wikidata.org.
  9. [10] ↑ . github.com. Retrieved . github.com. Provenance: wikidata.org.
  10. [11] ↑ . github.com. Retrieved . github.com. Provenance: wikidata.org.
  11. [12] ↑ . github.com. Retrieved . github.com. Provenance: wikidata.org.
  12. [13] ↑ . github.com. Retrieved . github.com. Provenance: wikidata.org.
  13. [14] ↑ . github.com. Retrieved . github.com. Provenance: wikidata.org.
  14. [15] ↑ . github.com. Retrieved . github.com. Provenance: wikidata.org.
  15. [16] ↑ . github.com. Retrieved . github.com. Provenance: wikidata.org.
  16. [17] ↑ . github.com. Retrieved . github.com. Provenance: wikidata.org.
  17. [18] ↑ . github.com. Retrieved . github.com. Provenance: wikidata.org.
  18. [19] ↑ . github.com. Retrieved . github.com. Provenance: wikidata.org.
  19. [20] ↑ . github.com. Retrieved . github.com. Provenance: wikidata.org.
  20. [21] ↑ . github.com. Retrieved . github.com. Provenance: wikidata.org.
  21. [22] ↑ . github.com. Retrieved . github.com. Provenance: wikidata.org.
  22. [23] ↑ . github.com. Retrieved . github.com. Provenance: wikidata.org.
  23. [24] ↑ . github.com. Retrieved . github.com. Provenance: wikidata.org.
  24. [25] ↑ . github.com. Retrieved . github.com. Provenance: wikidata.org.
  25. [26] ↑ . github.com. Retrieved . github.com. Provenance: wikidata.org.
  26. [27] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). MOPAC. Retrieved May 3, 2026, from https://4ort.xyz/entity/mopac
MLA “MOPAC.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/mopac.
BibTeX @misc{4ortxyz_mopac_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{MOPAC}}, year = {2026}, url = {https://4ort.xyz/entity/mopac}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): MOPAC — https://4ort.xyz/entity/mopac (retrieved 2026-05-03)

Canonical URL: https://4ort.xyz/entity/mopac · Last refreshed:

Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 4w ago · Francesco Tosoni (SSSA) · 2026-07-31 view diff on Wikidata ↗
    Version → —
    Instance of → quantum chemistry software, free software
    Described by source → —
    Described by source → MOPAC: a semiempirical molecular orbital program
    + 24 other properties edited (see Wikidata diff for full list)
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/44708|batch #44708]]: adding cross-reference for JOSS software→article"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.