Azepine

Azepine is an unsaturated heterocycle of seven atoms, with a nitrogen replacing a carbon at one position.^[1][2]

Quick facts Names, Identifiers ...

Azepine

Names
IUPAC name 1H-Azepine
Other names Azacycloheptatriene
Identifiers
CAS Number	291-69-0 Y
3D model (JSmol)	Interactive image
ChemSpider	4953941 Y
PubChem CID	6451476
UNII	8324797PB4 Y
CompTox Dashboard (EPA)	DTXSID50183352
InChI InChI=1S/C6H7N/c1-2-4-6-7-5-3-1/h1-7H Y Key: XYOVOXDWRFGKEX-UHFFFAOYSA-N Y InChI=1/C6H7N/c1-2-4-6-7-5-3-1/h1-7H Key: XYOVOXDWRFGKEX-UHFFFAOYAM
SMILES C1=CC=CNC=C1
Properties
Chemical formula	C6H7N
Molar mass	93.129 g·mol−1
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Y verify (what is YN ?) Infobox references

Close

The atoms are numbered starting with the nitrogen. The 1H-azepine isomer shown above is an unstable red oil at -78°C and rearranges on contact with acid or base to 3H-azepine with two hydrogen atoms attached to the third carbon.^[3]