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ORCA

quantum chemistry program
Thing quantum_chemistry_software Q16948427
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ORCA

Summary

ORCA is a quantum chemistry software[1]. ORCA ranks in the top 7% of quantum_chemistry_software entities by monthly Wikipedia readership (65 views/month).[2]

Key Facts

  • ORCA's image is recorded as Sample ORCA output.jpg[3].
  • ORCA's instance of is recorded as quantum chemistry software[4].
  • ORCA's logo image is recorded as ORCA.png[5].
  • ORCA's developer is recorded as Frank Neese[6].
  • ORCA's software version identifier is recorded as 6.0.0[7].
  • ORCA's software version identifier is recorded as 6.0.1[8].
  • ORCA's software version identifier is recorded as 6.1.0[9].
  • ORCA's software version identifier is recorded as 6.1.1[10].
  • ORCA's Freebase ID is recorded as /m/0_9b3k9[11].
  • ORCA's official website is recorded as https://www.faccts.de/orca/[12].
  • ORCA's uses is recorded as Ab initio quantum chemistry methods[13].
  • ORCA's official forum URL is recorded as https://orcaforum.kofo.mpg.de/[14].

Why It Matters

ORCA ranks in the top 7% of quantum_chemistry_software entities by monthly Wikipedia readership (65 views/month).[2] ORCA has Wikipedia articles in 5 language editions, a strong signal of global cultural recognition.[15]

References

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

Direct Wikidata claims

  1. [3] ↑ . wikidata.org.
  2. [4] ↑ . wikidata.org.
  3. [5] ↑ . wikidata.org.
  4. [6] ↑ . wikidata.org.
  5. [7] ↑ . orcaforum.kofo.mpg.de. Retrieved . orcaforum.kofo.mpg.de. Provenance: wikidata.org.
  6. [8] ↑ . orcaforum.kofo.mpg.de. Retrieved . orcaforum.kofo.mpg.de. Provenance: wikidata.org.
  7. [9] ↑ . orcaforum.kofo.mpg.de. Retrieved . orcaforum.kofo.mpg.de. Provenance: wikidata.org.
  8. [10] ↑ . orcaforum.kofo.mpg.de. Retrieved . orcaforum.kofo.mpg.de. Provenance: wikidata.org.
  9. [11] ↑ . wikidata.org.
  10. [12] ↑ . wikidata.org.
  11. [13] ↑ . Retrieved . wikidata.org.
  12. [14] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [15] ↑ . Wikidata sitelinks. 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). ORCA. Retrieved May 3, 2026, from https://4ort.xyz/entity/orca-q16948427
MLA “ORCA.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/orca-q16948427.
BibTeX @misc{4ortxyz_orca-q16948427_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{ORCA}}, year = {2026}, url = {https://4ort.xyz/entity/orca-q16948427}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): ORCA — https://4ort.xyz/entity/orca-q16948427 (retrieved 2026-05-03)

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