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 0K enthalpies (kJ mol^-1)

Isomers of C₅H₁₀O

index	Species	CAS number	Name	Relative experimental enthalpy (kJ mol-1)	sketch
a	C5H10O	96173	2-methylbutyraldehyde
b	C5H10O	96220	3-Pentanone
c	C5H10O	96413	Cyclopentanol
d	C5H10O	107879	2-Pentanone
e	C5H10O	110623	Pentanal
f	C5H10O	142687	2H-Pyran, tetrahydro-
g	C5H10O	563804	2-Butanone, 3-methyl-
h	C5H10O	6921353	Oxetane, 3,3-dimethyl-