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sigma bond

strongest type of covalent chemical bond; formed by head-on overlapping between atomic orbitals.
Class type of: covalent bond Q306229

Facts

5 properties
Instance of
covalent bond type by orbital symmetry
Followed by
pi bond[3]
Subclass of
covalent bond
Does not have part
nodal plane[5]
Has characteristic
rotational symmetry[4]
🏷️ Also known as
en sigma bond en σ bond ar رابطة سيغما ar رابطه سيجما cs Vazba sigma da Sigma-binding de σ-Bindung el Δεσμός σ es Orbital sigma es Enlace sigma es Enlaces sigma es Enlaces σ es enlace σ fa پیوند سیگما fi sigmasidos fi σ-sidos fr liaison sigma fr liaison σ he אורביטל סיגמא he אלקטרוני סיגמא
🔖 Identifiers · 9
OpenAlex ID
C77758465
Brilliant Wiki ID
sigma-and-pi-bonds
Elhuyar ZTH ID
133348
Encyclopedia of China (Second Edition) ID
249660
Encyclopædia Britannica Online ID
science/sigma-bond
Freebase ID
/m/040sdg
Lex ID
sigma-binding
Microsoft Academic ID (discontinued)
77758465
ScienceDirect topic ID
chemistry/sigma-bond, pharmacology-toxicology-and-pharmaceutical-science/sigma-bond

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🔗 Connections
Has characteristic 1
rotational symmetry
Subclass of 1
covalent bond
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Summary

sigma bond is a covalent bond type by orbital symmetry[1]. It is a type of covalent bond[2].

References

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

Direct Wikidata claims

  1. [3] ↑ . wikidata.org.
  2. [2] ↑ . wikidata.org.
  3. [4] ↑ . wikidata.org.
  4. [5] ↑ . 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). sigma bond. Retrieved November 1, 2026, from https://4ort.xyz/entity/sigma-bond
MLA “sigma bond.” 4ort.xyz Knowledge Graph, 4ort.xyz, 1 Nov. 2026, https://4ort.xyz/entity/sigma-bond.
BibTeX @misc{4ortxyz_sigma-bond_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{sigma bond}}, year = {2026}, url = {https://4ort.xyz/entity/sigma-bond}, note = {Accessed: 2026-11-01}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): sigma bond — https://4ort.xyz/entity/sigma-bond (retrieved 2026-11-01)

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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. 10w ago · Charp238 · 2026-08-23 view diff on Wikidata ↗
    Instance of → covalent bond type by orbital symmetry
    Has characteristic → rotational symmetry
    Does not have part → nodal plane
    Subclass of → —
    + 4 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-create:2||1 */ Followed by: pi bond"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.