5-membered
Adjective Satellite
Meaning
of a chemical compound having a ring with five members
Source: WordNetSynonyms
pentagonal
quintuple
fivefold
quinquefoliate
quinary
quincunx
quinquepartite
quinquefid
quinquevalve
quinquelobate
five-membered
Examples
An example is the Stone Wales defect in nanotubes, which consists of two adjacent 5-membered and two 7-membered atom rings.
A large group of 5-membered ring compounds with three heteroatoms also exists.