VSEPR Structures

Valence Shell Electron Pair Repulsion Structures | Molecular and Electron Geometry Memorization

Electron Geometry, SN = 2

Linear

Electron Geometry, SN = 3

Trigonal Planar

Electron Geometry, SN = 4

Tetrahedral

Electron Geometry, SN = 5

Trigonal Bipyramidal

Electron Geometry, SN = 6

Octahedral

Molecular Geometry, SN = 2

Linear

Molecular Geometry, SN = 3, Bonded Atoms = 3, Lone Pairs = 0

Trigonal Planar

Molecular Geometry, SN = 3, Bonded Atoms = 2, Lone Pairs = 1

Bent

Molecular Geometry, SN = 4, Bonded Atoms = 4, Lone Pairs = 0

Tetrahedral

Molecular Geometry, SN = 4, Bonded Atoms = 3, Lone Pairs = 1

Trigonal Pyramidal

Molecular Geometry, SN = 4, Bonded Atoms = 2, Lone Pairs = 2

Bent, Angular

Molecular Geometry, SN = 5, Bonded Atoms = 5, Lone Pairs = 0

Trigonal Bipyramidal

Molecular Geometry, SN = 5, Bonded Atoms = 4, Lone Pairs = 1

See saw

Molecular Geometry, SN = 5, Bonded Atoms = 3, Lone Pairs = 2

T-shaped

Molecular Geometry, SN = 5, Bonded Atoms = 2, Lone Pairs = 3

Linear

Molecular Geometry, SN = 6, Bonded Atoms = 6, Lone Pairs = 0

Octahedral

Molecular Geometry, SN = 6, Bonded Atoms = 5, Lone Pairs = 1

Square Pyramidal

Molecular Geometry, SN = 6, Bonded Atoms = 4, Lone Pairs = 2

Square Planar

Linear Angle (SN = 2)

180°

Trigonal Planar Angle (SN = 3)

120°

Bent Angle (SN = 3)

<120°

Tetrahedral Angle (SN = 4)

109.5°

Trigonal Pyramidal Angle (SN = 4)

<109.5°

Bent Angle (SN = 4)

<<109.5°

Trigonal Bipyramidal Angle (SN = 5)

90° + 120°

See Saw Angle (SN = 5)

<90° <120°

T- Shapes Angle (SN = 5)

90°

Linear Angle (SN = 5)

180°

Octahedral Angle (SN = 6)

90°

Square Pyramidal Angle (SN = 6)

<90°

Square Planar Angle (SN = 6)

90°