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helium dimer

chemical compound
Class type of: diatomic molecule, simple substance Q19904197

Facts

6 properties
Instance of
type of chemical entity
Subclass of
diatomic molecule, simple substance
Canonical SMILES
[He][He][4]
Chemical formula
He₂[5]
Has part(s)
helium[6]
Mass
+8.0052[7]
🏷️ Also known as
en dihelium en helium dimer ar ديمر الهيليوم el διμερές ήλιο es dímero de helio fr dihélium ja ヘリウム二量体 ru двухатомный гелий ru дигелий ru димер гелия zh 氦二聚体
🔖 Identifiers · 10
CAS Registry Number
12184-98-4
ChEBI ID
33685
DSSTox substance ID
DTXSID001032949
Freebase ID
/m/012twklf
Gmelin number
48
InChI
InChI=1S/He2/c1-2
InChIKey
GHVQTHCLRQIINU-UHFFFAOYSA-N
Microsoft Academic ID (discontinued)
2780209961
PubChem CID
135094814
UniChem compound ID
167473687

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🔗 Connections
Subclass of 2
diatomic molecule, simple substance
Has part(s) 1
helium
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Summary

helium dimer is a type of chemical entity[1]. It is a type of diatomic molecule[2] and simple substance[3].

References

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

Direct Wikidata claims

  1. [4] ↑ . wikidata.org.
  2. [5] ↑ . wikidata.org.
  3. [2] ↑ . wikidata.org.
  4. [3] ↑ . 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 dimer. Retrieved November 3, 2026, from https://4ort.xyz/entity/helium-dimer
MLA “helium dimer.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 Nov. 2026, https://4ort.xyz/entity/helium-dimer.
BibTeX @misc{4ortxyz_helium-dimer_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{helium dimer}}, year = {2026}, url = {https://4ort.xyz/entity/helium-dimer}, note = {Accessed: 2026-11-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): helium dimer — https://4ort.xyz/entity/helium-dimer (retrieved 2026-11-03)

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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 · 2026-05-06 view diff on Wikidata ↗
    Subclass of → —
    Has parts → —
    Has part(s) → helium
    Aliases → —
    + 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.