Molecular Geometry

AX2

Linear, 2 Bonds, 0 Lone Pairs, 180 degree bond angle,

Ex. BeCl2

AX3

Trigonal planar, 3 bonds, 0 lone pairs, 120 bond angle,

Ex. BF3

AX4

Tetrahedron, 4 bonds, 0 lone pairs, 109.5 bond angle,

Ex. CH4

AX5

Trigonal Bipyramidal, 5 bonds, 0 lones pairs, 120 in plane; 90 perpendicular to plane bond angle,

Ex. PCl5

AX6

Octahedron, 6 bonds, 0 lone pairs, 90 bond angle, AB6 type

Ex. SF6

AX2E1

bent, 2 bonds, 1 lone pair, slightly less than 120 bond angle,

Ex. SO2

AX3E1

Trigonal pyramid, 3 bonds, 1 lone pair, 107.3 bond angle,

Ex. NH3

AX2E2

Bent, 2 bonds, 2 lone pairs, 104.5 bond angle,

Ex. H2O

AX4E1

seesaw, 4 bonds, 1 lone pair, complex bond angle,

Ex. SF4

AX3E2

T-shaped, 3 bonds, 2 lone pairs, about 90 bond angle,

Ex. ClF3

AX2E3

Linear, 2 bonds, 3 lone paires, 180 bond angle,

Ex. XeF2

AX5E1

Square Pyramidal, 5 bonds, 1 lone pair, about 90 bond angle,

Ex. BrF5

AX4E2

Square Planar, 4 bonds, 2 lone pairs, 90 bond angle, 

XeF4

are ideal molecular geometry structures polar or non polar if the x’s are the same?

non polar

are geometric shapes with the “E” polar or non polar?

polar