Table of Three to Six Electron Domains

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Number of Domains Arrangement of Domains General Molecular Formula Molecular Shape Examples
3 Equilateral triangular
(three domains)
AX3 Trigonal planar BCl3, AlCl3
    AX2E Angular SnCl2
4 Tetrahedral
(four domains)
AX4 Tetrahedral CH4, SiCl4
    AX3E Trigonal pyramidal NH3, PCl3
    AX2E2 Angular H2O, SCl2
5 Trigonal bipyramidal
(five domains)
AX5 Trigonal bipyramidal PCl5, AsF5
    AX4E Disphenoidal SF4
    AX3E2 T-shaped ClF3
    AX2E3 Linear XeF2
6 Octahedral
(six domains)
AX6 Octahedral SF6
    AX5E Square pyramidal BrF5
    AX4E2 Square planar XeF4