Summary Table with Links to Examples

Number of Groups	Basic Shape (click links below to see examples)	Sub-Shapes A = central atom X = atom attached to central atom E = nonbonding electron group on central atom
Diatomic (any number)	Linear Diatomic	Generic Formula AX	Shape Name (this refers to the atom arrangement, ignoring the lone pairs) Linear
2	Linear Triatomic	AX2	Linear
3	Trigonal Planar	AX3 AX2E	Trigonal Planar Bent
4	Tetrahedral	AX4 AX3E AX2E2	Tetrahedral Trigonal Pyramidal Bent
5	Trigonal Bipyramidal	AX5 AX4E AX3E2 AX2E3	Trigonal Bipyramidal Seesaw T-shaped Linear
6 Last Table Update: November 18, 2016 Expires: --- J. Gutow	Octahedral	AX6 AX5E AX4E2	Octahedral Square Pyramidal Square Planar