The representation of organic molecules

Example

Ethanol (ethyl alcool, spirits of wine, spiritus e vino)

The molecular model based on spheres

The persective drawing (the displayed formula)

The Newman formula

The structural (line-bond) formula

The condensed formula

The skeletal (line-angle, bond-line) formula

The molecular formula

C₂H₆O

Comment

Sometimes several representation modes are mixed together, for example in the composite formulas of propane: