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 CH₄NO⁺

index	Species	CAS number	Name	Relative experimental enthalpy (kJ mol-1)	sketch
a	H2CONH2+	9000770	protonated formamide
b	NH3CHO+	9000924	Formamide, N-Protonated
c	NH2CHOH+	50785803	Formamide, O-protonated