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	hartrees
Energy at 0K	-205.317850
Energy at 298.15K	-205.320288
HF Energy	-204.688568
Nuclear repulsion energy	70.506132

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A'	3606	3415	16.33
2	A'	1647	1560	134.12
3	A'	1384	1311	5.91
4	A'	961	910	340.32
5	A'	674	638	18.03
6	A"	752	712	132.88

Atom	x (Å)	y (Å)
H1	-0.583	-1.253
O2	-1.014	-0.376
N3	0.000	0.547
O4	1.087	0.054

	H1	O2	N3	O4
H1		0.9775	1.8927	2.1211
O2	0.9775		1.3714	2.1448
N3	1.8927	1.3714		1.1938
O4	2.1211	2.1448	1.1938

All results from a given calculation for HNO₂ (Nitrous acid)

using model chemistry: MP2=FULL/6-311G*

States and conformations

	Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
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All results from a given calculation for HNO2 (Nitrous acid)

using model chemistry: MP2=FULL/6-311G*

States and conformations

All results from a given calculation for HNO₂ (Nitrous acid)