Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
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Relative enthalpies of isomers - Comparison of 298.15K enthalpies (kJ mol^-1)

Isomers of C₅H₉N

index	Species	CAS number	Name	Relative experimental enthalpy (kJ mol-1)	sketch
a	C5H9N	694053	1,2,3,6-Tetrahydropyridine
b	C5H9N	630182	Propanenitrile, 2,2-dimethyl-	0.0
c	C5H9N	18936179	Butanenitrile, 2-methyl-	5.7
d	C5H9N	110598	Pentanenitrile	14.4