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 CH₄O₃

index	Species	CAS number	Name	Relative experimental enthalpy (kJ mol-1)	sketch
a	HCOOHH2O	99	Formic acid water dimer
b	H2OHCOOH	102	Water formic acid dimer 1
c	H2OHCOOH	113	Water formic acid dimer 2
d	HOCH2OOH	15932895	hydroxy methyl peroxide