cyclopentadienide

aromatic organic anion which is a common ligand
ChemicalSubstance type_of_chemical_entity Q25109538
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cyclopentadienide

Summary

cyclopentadienide is a type of chemical entity[1]. cyclopentadienide ranks in the top 6% of type_of_chemical_entity entities by monthly Wikipedia readership (23 views/month).[2]

Key Facts

  • cyclopentadienide's instance of is recorded as type of chemical entity[3].
  • cyclopentadienide's chemical structure is recorded as Cyclopentadienyl-Anion.svg[4].
  • cyclopentadienide's CAS Registry Number is recorded as 12127-83-2[5].
  • cyclopentadienide's canonical SMILES is recorded as [CH-]1C=CC=C1[6].
  • cyclopentadienide's InChI is recorded as InChI=1S/C5H5/c1-2-4-5-3-1/h1-5H/q-1[7].
  • cyclopentadienide's InChIKey is recorded as SINKOGOPEQSHQD-UHFFFAOYSA-N[8].
  • cyclopentadienide's chemical formula is recorded as C₅H₅⁻[9].
  • cyclopentadienide's subclass of is recorded as monoanion[10].
  • cyclopentadienide's subclass of is recorded as aromatic ion[11].
  • cyclopentadienide's subclass of is recorded as carbanion[12].
  • cyclopentadienide's part of is recorded as cyclopentadienyl complex[13].
  • cyclopentadienide's has use is recorded as ligand[14].
  • cyclopentadienide's Commons category is recorded as Cyclopentadienide ion[15].
  • cyclopentadienide's has part is recorded as carbon[16].
  • cyclopentadienide's has part is recorded as hydrogen[17].
  • cyclopentadienide's ChemSpider ID is recorded as 2731064[18].
  • cyclopentadienide's PubChem CID is recorded as 3490527[19].
  • cyclopentadienide's ChEBI ID is recorded as 36767[20].
  • cyclopentadienide's shape is recorded as regular pentagon[21].
  • cyclopentadienide's has characteristic is recorded as hapticity[22].
  • cyclopentadienide's Gmelin number is recorded as 81759[23].
  • cyclopentadienide's Reaxys registry number is recorded as 3587332[24].
  • cyclopentadienide's short name is recorded as {'lang': 'mul', 'text': 'Cp⁻'}[25].
  • cyclopentadienide's different from is recorded as cyclopentadiene[26].
  • cyclopentadienide's different from is recorded as cyclopentadienyl[27].

Why It Matters

cyclopentadienide ranks in the top 6% of type_of_chemical_entity entities by monthly Wikipedia readership (23 views/month).[2] cyclopentadienide has Wikipedia articles in 10 language editions, a strong signal of global cultural recognition.[28] cyclopentadienide is known by 13 alternative names across languages and contexts.[29]

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] . ChEBI. Retrieved . wikidata.org.
  4. [6] . PubChem. Retrieved . wikidata.org.
  5. [7] . PubChem. Retrieved . wikidata.org.
  6. [8] . PubChem. Retrieved . wikidata.org.
  7. [9] . wikidata.org.
  8. [10] . wikidata.org.
  9. [11] . wikidata.org.
  10. [12] . wikidata.org.
  11. [13] . wikidata.org.
  12. [14] . wikidata.org.
  13. [15] . wikidata.org.
  14. [16] . wikidata.org.
  15. [17] . wikidata.org.
  16. [18] . Q2311683. Retrieved . wikidata.org.
  17. [19] . PubChem. Retrieved . wikidata.org.
  18. [20] . ChEBI. Retrieved . wikidata.org.
  19. [21] . wikidata.org.
  20. [22] . wikidata.org.
  21. [23] . wikidata.org.
  22. [24] . ChEBI. Retrieved . wikidata.org.
  23. [25] . wikidata.org.
  24. [26] . wikidata.org.
  25. [27] . wikidata.org.

Class ancestry

  1. [1] . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [28] . Wikidata sitelinks. wikidata.org.
  3. [29] . Wikidata aliases. 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). cyclopentadienide. Retrieved May 3, 2026, from https://4ort.xyz/entity/cyclopentadienide
MLA “cyclopentadienide.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/cyclopentadienide.
BibTeX @misc{4ortxyz_cyclopentadienide_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{cyclopentadienide}}, year = {2026}, url = {https://4ort.xyz/entity/cyclopentadienide}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): cyclopentadienide — https://4ort.xyz/entity/cyclopentadienide (retrieved 2026-05-03)

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