Class

Explicit

Abbreviated

Stick

Alkane

Simple Functional Groups

Alkene

Alkyne

Cyclopropane

Alkyl Halide

X = F, Cl, Br, I

X = F, Cl, Br, I

RX

Alkyl Metal

e.g. M = Li

e.g. M = Mg

RM , R2M

Alcohol

ROH

Ether

ROR'

Amine

RNH2

Oxonium

R3O+

Ammonium

R4N+

Thiol

RSH

Sulfide

RSR'

Sulfonium

Same

R3S+

Borane

RBH2

Borate

Same

R4B-

Peroxide

ROOR'

Disulfide

RSSR'

Carbonyl

Aldehyde

Ketone

R2C=O

Imine

Aldimine

Ketimine

HN=CHR

Nitrile

Allene

Same

Ketene

Same

Conjugated Functional Groups

Conjugated Diene

Benzene (Aromatic)

Enol

Enamine

α,β-Unsaturated Carbonyl

Acid Halide

X = F, Cl, Br, I

X = F, Cl, Br, I

X = F, Cl, Br, I

Carboxylic Acid

Ester

Amide

or H = R, R'

or H = R, R'

or H = R, R'

Acid Anhydride

Same

Other

α-Amino Acid

Zwitterionic Form