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 C₅H₅N

index	Species	CAS number	Name	Relative experimental enthalpy (kJ mol-1)	sketch
a	C5H5N	2180689	E-2,4-pentadienenitrile
b	C5H5N	110861	Pyridine	0.0
c	C5H5N	16955354	Bicyclo[1.1.0]butane-1-carbonitrile	164.1