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	hartrees
Energy at 0K	-205.201294
Energy at 298.15K	-205.203581
HF Energy	-204.644652
Nuclear repulsion energy	69.286405

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A'	3816	3607	78.31
2	A'	1759	1663	137.76
3	A'	1329	1257	175.63
4	A'	843	797	161.63
5	A'	639	604	86.36
6	A"	554	524	120.92

Atom	x (Å)	y (Å)
H1	1.771	-0.151
O2	0.901	-0.583
N3	0.000	0.524
O4	-1.123	0.143

	H1	O2	N3	O4
H1		0.9708	1.8950	2.9087
O2	0.9708		1.4272	2.1506
N3	1.8950	1.4272		1.1855
O4	2.9087	2.1506	1.1855

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

using model chemistry: QCISD/6-31+G**

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: QCISD/6-31+G**

States and conformations

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