triangulene

triangular +‎ -ene (“benzenoid/graphene”) From being a triangle composed of benzene rings.

triangulene (countable and uncountable, plural triangulenes)

1. (organic chemistry) A flat hydrocarbon graphene fragment, C₂₂H₁₂, composed of 6 fused benzene rings in a triangular configuration; being a radical having two unpaired electrons.
2. The functional group composed of such a structure, an unsubstituted triangulene
3. A compound incorporating the functional group, a substituted triangulene

• 4H,8H-dibenzo(cd,mn)pyren-4,8-diyl

• C22H12

• dihydrotriangulene (molecular triangulene, C₂₂H₁₄)
• triangulenium