| Structure | Name | Ending |
| -C=C- (double bond) | |
| -C≡C- (triple bond) | |
| 6-carbon ring with alternating single and double bonds | |
| -C-X (where X is F, Cl, Br, or I) | |
| -C-OH | |
| -C-O-C- | |
| -C-O-P=O (with two negatively charged oxygen ions singly bonded to phosphorus) | |
| -C-O-P-O-P=O (with one negatively charged oxygen ion singly bonded and one neutral oxygen double bonded to the first phosphorus and two negatively charged oxygen ions singly bonded | |
| -C-N- | |
| -C=N- | |
| -C≡N | |
| | Structure | Name | Ending |
| -C-SH | |
| -C-S-C- | |
| -C-S-S-C- | |
| -C-S+-C- (with negative oxygen ion singly bonded to the sulfur) | |
| -C=O (with hydrogen singly bonded to carbon | |
| -C-C-C- (with middle carbon doubly bonded to oxygen) | |
| -C-C=O (with -OH bonded to second carbon) | |
| -C-C-O-C- (with oxygen doubly bonded to second carbon) | |
| -C-C-S-C- (with oxygen doubly bonded to second carbon) | |
| -C-C-N- (with oxygen doubly bonded to second carbon) | |
| -C-C-Cl (with oxygen doubly bonded to second carbon) | |
|