VSEPR Theory Flashcards
AX2
Electron pair/group geometry: linear
Molecular Geometry: linear
Examples: BeCl2, CO2
AX3
Electron pair/group geometry: Trigonal planar
Molecular Geometry: Trigonal Planar
Examples: BF3
AX2E
Electron pair/group geometry: Trigonal Planar
Molecular Geometry: Bent
Examples: BH2-
AX4
Electron pair/group geometry: Tetrahedral
Molecular Geometry: Tetrahedral
Examples: CH4
AX3E
Electron pair/group geometry: Tetrahedral
Molecular Geometry: Trigonal Pyramidal
Examples: NH3
AX2E2
Electron pair/group geometry: Tetrahedral
Molecular Geometry: Bent
Examples: H2O
AX5
Electron pair/group geometry: Trigonal Bipyramidal
Molecular Geometry: Trigonal Bipyramidal
Examples: PBr5
AX4E
Electron pair/group geometry: Trigonal Bipyramidal
Molecular Geometry: See-Saw
Examples: SCl4
AX3E2
Electron pair/group geometry: Trigonal Bipyramidal
Molecular Geometry: T-Shaped
Examples: ClF3
AX2E3
Electron pair/group geometry: Trigonal Bipyramidal
Molecular Geometry: linear
Examples: XeF2
AX6
Electron pair/group geometry: Octahedral
Molecular Geometry: Octahedral
Examples: SCl6
AX5E
Electron pair/group geometry: Octahedral
Molecular Geometry: Square Pyramidal
Examples: BrF5
AX4E2
Electron pair/group geometry: Octahedral
Molecular Geometry: Square Planar
Examples: XeF4
A
The central atom - usually the least electronegative atom - never oxygen or fluorine
X
The ligand