3 Electron-Pair Repulsions
Trigonal Planar Geometry, AB3
Example: BF3, boron trifluoride



Bent Geometry, AB2E
Example: SO2, sulfur dioxide





4 Electron-Pair Repulsions
Tetrahedral Geometry, AB4
Example: CH4, methane.



Trigonal Pyramidal, AB3E
Example: NH3, ammonia.



Bent, AB2E2
Example: H2O, water.




5 Electron-Pair Repulsions
Trigonal bipyramidal, AB5
Example: PF5, phosphorus pentafluoride.


See-Saw, AB4E
Example: SF4


Tee-Shaped, AB3E2
Example: ClF3, chlorine trifluoride


Linear, AB2E3
Example: I3−, triiodide ion



6 Electron-Pair Repulsions
Octahedral, AB6
Example: SF6, sulfur hexafluoride



Square pyramidal, AB4E
Example: BrF5, bromine pentafluoride



Square planar, AB4E2
Example: XeF4, xenon tetrafluoride