aromatic

aromatic

Indicates either that an atom must be present in an aromatic environment (e.g. in an aromatic ring), or that a ring should itself be aromatic.

For example:

Table 8.10. NETA keyword 'aromatic' examples

CommandMeaning
~N(aromatic)Specifies a nitrogen connected by any bond which is present in an aromatic environment
-C(ring(aromatic))Single bond to a carbon atom which is in an aromatic ring