VSEPR Shapes & AXE Notation

AX₂

Electron geometry: Linear; Molecular geometry: Linear; Bond angle: 180°

AX₃

Electron geometry: Trigonal planar; Molecular geometry: Trigonal planar; Bond angle: 120°

AX₂E

Electron geometry: Trigonal planar; Molecular geometry: Bent; Bond angle: <120°

AX₄

Electron geometry: Tetrahedral; Molecular geometry: Tetrahedral; Bond angle: 109.5°

AX₃E

Electron geometry: Tetrahedral; Molecular geometry: Trigonal pyramidal; Bond angle: <109.5°

AX₂E₂

Electron geometry: Tetrahedral; Molecular geometry: Bent; Bond angle: <<109.5°

AX₅

Electron geometry: Trigonal bipyramidal; Molecular geometry: Trigonal bipyramidal; Bond angle: 120° (equatorial), 90° (axial)

AX₄E

Electron geometry: Trigonal bipyramidal; Molecular geometry: Seesaw; Bond angle: <120° (equatorial), <90° (axial)

AX₃E₂

Electron geometry: Trigonal bipyramidal; Molecular geometry: T-shaped; Bond angle: <90°

AX₂E₃

Electron geometry: Trigonal bipyramidal; Molecular geometry: Linear; Bond angle: 180°

AX₆

Electron geometry: Octahedral; Molecular geometry: Octahedral; Bond angle: 90°

AX₅E

Electron geometry: Octahedral; Molecular geometry: Square pyramidal; Bond angle: <90°

AX₄E₂

Electron geometry: Octahedral; Molecular geometry: Square planar; Bond angle: 90°