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 C₅H₁₀S

index	Species	CAS number	Name	Relative experimental enthalpy (kJ mol-1)	sketch
a	C5H10S	1795091	Thiophene, tetrahydro-2-methyl-	0.0
b	C5H10S	1613510	2H-Thiopyran, tetrahydro-	0.4
c	C5H10S	4740005	Thiophene, tetrahydro-3-methyl-	3.3
d	C5H10S	1679078	Cyclopentanethiol	16.1
e	C5H10S	5296628	3-Ethylthio-1-propene	81.9