Organic Chemistry Functional Groups, Molecular Geometry

Alcohol

Aldehyde

Alkane

Alkene

Halide

Alkyne

Amide

Amine

Aromatic Compound

Carboxylic Acid

Ester

Ether

Ketone

Trigonal Planar

3 bonds, 0 lone pairs, 120 bond angle, AB3 type

Ex. BF3

Tetrahedral

4 bonds, 0 lone pairs, 109.5 bond angle, AB4 type

Ex. CH4

Trigonal Pyramidal

3 bonds, 1 lone pair, 107 bond angle, AB3E type

Ex. NH3

Bent/V-Shaped

2 bonds, 2 lone pairs, 104.5 bond angle, AB2E2 type

Ex. H2O

Trigonal Bipyramidal

5 bonds, 0 lones pairs, 120 in plane; 90 perpendicular to plane bond angle, AB5

Ex. PCl5

Seesaw

4 bonds, 1 lone pair, complex bond angle, AB4E type

Ex. SF4

T-shaped

3 bonds, 2 lone pairs, about 90 bond angle, AB3E2 type

Ex. ClF3

Linear

2 bonds, 3 lone paires, 180 bond angle, AB2E3 type

Ex. XeF2

Octahedral

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

Ex. SF6

Square Pyramidal

5 bonds, 1 lone pair, about 90 bond angle, AB5E type

Ex. BrF5

Square Planar

4 bonds, 2 lone pairs, 90 bond angle, AB4E2 type

XeF4