H

Hybridization

sp, sp², sp³
Quick Reference
Formula / Notationsp, sp², sp³
Also Known AsOrbital hybridization (US spelling), orbital mixing, sp hybridization

What is Hybridization?

The mathematical mixing of atomic orbital wave functions to produce new hybrid orbitals of equal energy and shape. sp, sp², sp³, sp³d, and sp³d² hybridizations correspond to linear, trigonal planar, tetrahedral, trigonal bipyramidal, and octahedral geometries respectively.

Formula & Notation

sp, sp², sp³

Other Names / Synonyms: Orbital hybridization (US spelling), orbital mixing, sp hybridization

Properties & Characteristics

Hybridization (alternate spelling of hybridisation) describes the concept of mixing atomic orbitals to explain observed molecular geometries in terms of equivalent directional bonds. It reconciles the geometry predicted by VSEPR theory with the orbital picture from quantum mechanics. The number of hybrid orbitals equals the number of atomic orbitals mixed: sp = 2, sp² = 3, sp³ = 4, sp³d = 5, sp³d² = 6 hybrid orbitals.

Uses & Applications

Hybridization is applied in organic chemistry to predict bond angles and stereochemistry, in coordination chemistry (sp³d² for octahedral complexes), and in materials science (sp² carbon in graphene/graphite vs. sp³ in diamond explains their vastly different properties).

Safety Information

No direct safety concern for the concept itself. Understanding hybridization helps predict whether molecules are planar (sp², potential intercalators) or tetrahedral (sp³), which affects DNA binding and carcinogenic potential.

Always consult the SDS/MSDS before handling any chemical. This information is for educational purposes only.

Key Facts

Term Hybridization
Formula sp, sp², sp³
Synonyms Orbital hybridization (US spelling), orbital mixing, sp hybridization

Frequently Asked Questions

The mathematical mixing of atomic orbital wave functions to produce new hybrid orbitals of equal energy and shape. sp, sp², sp³, sp³d, and sp³d² hybridizations correspond to linear, trigonal planar, tetrahedral, trigonal bipyramidal, and octahedral geometries respectively.

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