Chemistry - Electron/Molecular Geometry

Number of electron rich regions / Electron domains

electron geometry

2

linear - sp

3

trigonal planar - sp²

4

tetrahedral - sp³

5

trigonal bipyramidal - sp³d

6

octahedral - sp³d²

Molecular geometry: format

name

AB₂

linear - nonpolar - 180°

AB₂U

bent - polar - <120°

AB₃

trigonal planar - nonpolar - 120°

AB₃U

trigonal pyramidal - polar - <109.5°

AB₄

tetrahedral - nonpolar - 109.5°

AB₃U₂

T-shape - polar - 90°

AB₄U

seesaw - polar - 90°, 120°

AB₅

trigonal bipyriamidal - nonpolar - 90°, 120°

AB₄U₂

square planar - nonpolar - 90°

AB₅U

Square Pyramidal - polar - 90°

AB₆

octahedral - nonpolar - 90°