Valence Shell Electron Pair Repulsion

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Slide 1

VSEPR – Valence Shell Electron Pair Repulsion

A = central atom

X = atoms bonded to A

E = nonbonding electron pairs on A

Slide 2

Linear

AX2

CO2

Slide 3

Trigonal Planar

AX3

AX2E

BF3

SnCl2

Slide 4

Tetrahedral

AX4

AX3E

AX2E2

CCl4

PCl3

Cl2O

Slide 5

Trigonal Bi-pyramidal

AX5

AX4E

AX3E2

AX2E3

PCl5

SF4

ClF3

I3-

Slide 6

Octahedral

AX6

AX5E

AX4E2

SF6

ICl4-

BrF5