Atoms and Simple Molecules
argon
krypton
xenon
hydrogen
deuterium
nitric oxide
oxygen
water (hydrogen oxide)
deuterium oxide
carbon dioxide

Saturated Hydrocarbons
methane

Benzene and Substituted Benzenes
benzene
fluorobenzene
aniline (aminobenzene)
phenol (hydroxybenzene)

Transition Metal Carbonyls
chromium hexacarbonyl
molybdenum hexacarbonyl
tungsten hexacarbonyl

Metallocenes
ferrocene
Ruthenocene