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 C₃H₇NO₂

index	Species	CAS number	Name	Relative experimental enthalpy (kJ mol-1)	sketch
a	NH2COOC2H5	51796	Urethane	0.0
b	NH2CH2CH2COOH	107959	β–alanine	22.3
c	CH3CH(NH2)COOH	56417	Alanine	31.6
d	CH3NHCH2COOH	107971	Sarcosine	79.1
e	CH3CH(CH3)ONO	541424	Isopropyl nitrite	312.8
f	C3H7ONO	543679	Propyl nitrite	327.5