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helium trimer

weakly bounded molecule consisting of three helium atoms
Class type of: triatomic molecule Q19904198

Facts

6 properties
Instance of
type of chemical entity
Subclass of
triatomic molecule
Canonical SMILES
[He].[He].[He][3]
Chemical formula
He₃[4]
Has part(s)
helium, helium atom[5][6]
Mass
+12.007809762[7]
🏷️ Also known as
en helium trimer en trihelium ar تريمر الهيليوم de Heliumtrimer fr trimère d'hélium ja ヘリウム三量体 ru тригелий ru тример гелия vi dạng trime của heli zh 氦三聚体 zh 氦三聚體
🔖 Identifiers · 6
CAS Registry Number
12596-21-3
Freebase ID
/m/0135hvqv
InChI
InChI=1S/3He
InChIKey
YFGIFVWZKVYMFI-UHFFFAOYSA-N
PubChem CID
18688918
SureChEMBL ID
8016988

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🔗 Connections
Has part(s) 2
helium, helium atom
Subclass of 1
triatomic molecule
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Summary

helium trimer is a type of chemical entity[1]. It is a type of triatomic molecule[2].

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. [2] ↑ . wikidata.org.
  4. [5] ↑ . wikidata.org.
  5. [6] ↑ . wikidata.org.
  6. [7] ↑ . 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). helium trimer. Retrieved November 6, 2026, from https://4ort.xyz/entity/helium-trimer
MLA “helium trimer.” 4ort.xyz Knowledge Graph, 4ort.xyz, 6 Nov. 2026, https://4ort.xyz/entity/helium-trimer.
BibTeX @misc{4ortxyz_helium-trimer_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{helium trimer}}, year = {2026}, url = {https://4ort.xyz/entity/helium-trimer}, note = {Accessed: 2026-11-06}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): helium trimer — https://4ort.xyz/entity/helium-trimer (retrieved 2026-11-06)

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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. 26w ago · Shuaib-bot bot · 2026-05-07 view diff on Wikidata ↗
    Instance of → type of chemical entity
    Has parts → —
    Mass → {'unit': 'Q483261', 'amount': '+12.007809762'}
    Instance of → —
    + 4 other properties edited (see Wikidata diff for full list)
    "/* wbeditentity-update:0| */"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.