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 CH₃N₂⁺

index	Species	CAS number	Name	Relative experimental enthalpy (kJ mol-1)	sketch
a	NCNH3+	9000800	Cyanamide, protonated
b	HNCNH2+	9000801	diiminomethane, protonated
c	NH3CN+	9000922	cyanamide, amine protonated
d	NH2CNH+	53768404	cyanamide, cn protonated