Classification of organic molecules
Cyclic
CH2-CH2
I I
CH2-CH2
Homocyclic
Cycle only formed by only C and H
Heterocyclic
Besides C and H, we find O, S, N, P
Saturated
Unsaturated
linear
branched
linear
branched
Aromatic
-Cyclic structures -Fully conjugated
Alicyclic
Aliphatic
Saturated
Unsaturated
linear
branched
linear
branched
Only single bonds (alkanes)
Double/Triple bonds (Alkane/Alkyne)
CH3--CH3--CH3--CH3
-π e (Hückel's rule): 6, 10, 14, 18, 22
Saturated
Unsaturated
linear/simple
branched
linear/simple
branched
BONDS
C-4
N-3
O-2