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ORCA

quantum chemistry program
Thing Quantum Chemistry Software Q16948427

Facts

6 properties
Instance of
quantum chemistry software
Official website
www.faccts.de[7]
Website
www.faccts.de
Developer
Frank Neese[2]
Software version identifier
6.0.0, 6.0.1, 6.1.0, 6.1.1[3][4][5][6]
Uses
Ab initio quantum chemistry methods[8]
🏷️ Also known as
en ORCA ja ORCA (量子化学プログラム)
🔖 Identifiers · 3
Image (Wikimedia Commons)
Sample ORCA output.jpg ↗
Freebase ID
/m/0_9b3k9
Official forum URL
orcaforum.kofo.mpg.de

Report an error or request removal Lineage (PROV-JSON)

🔗 Connections
Uses 1
Ab initio quantum chemistry methods
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Summary

ORCA is a quantum chemistry software[1].

References

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

Direct Wikidata claims

  1. [2] ↑ . wikidata.org.
  2. [3] ↑ . orcaforum.kofo.mpg.de. Retrieved . orcaforum.kofo.mpg.de. Provenance: wikidata.org.
  3. [4] ↑ . orcaforum.kofo.mpg.de. Retrieved . orcaforum.kofo.mpg.de. Provenance: wikidata.org.
  4. [5] ↑ . orcaforum.kofo.mpg.de. Retrieved . orcaforum.kofo.mpg.de. Provenance: wikidata.org.
  5. [6] ↑ . orcaforum.kofo.mpg.de. Retrieved . orcaforum.kofo.mpg.de. Provenance: wikidata.org.
  6. [7] ↑ . wikidata.org.
  7. [8] ↑ . Retrieved . 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). ORCA. Retrieved November 10, 2026, from https://4ort.xyz/entity/orca-q16948427
MLA “ORCA.” 4ort.xyz Knowledge Graph, 4ort.xyz, 10 Nov. 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: 2026-11-10}}
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 2026-11-10)

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