CPK Atomic Models, Nitrogen Atom, Aromatic-5

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For use in five-membered rings such as in 67-8266 Imidazole or in positions 7 and 9 in 67-8262 Purine. Covalent radius 0.68Å to atoms within ring and covalent radius 0.73Å to atoms outside ring; bond angle 108° between atoms within ring and 126° between single-bonded atom outside ring and double-bonded ring atoms; symbol ‘5’ stamped on one inner face. Partial double-bond sockets notched. 67-7112 Amine Cap converts 67-6825 Nitrogen, Aromatic-5 to azo nitrogen.

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