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	hartrees
Energy at 0K	-205.192032
Energy at 298.15K	-205.194425
HF Energy	-204.631184
Nuclear repulsion energy	69.644141

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)
1	A'	3516	3383
2	A'	1670	1607
3	A'	1374	1322
4	A'	916	881
5	A'	645	621
6	A"	719	692

Atom	x (Å)	y (Å)
H1	-0.557	-1.262
O2	-1.026	-0.390
N3	0.000	0.559
O4	1.096	0.059

	H1	O2	N3	O4
H1		0.9903	1.9041	2.1161
O2	0.9903		1.3974	2.1690
N3	1.9041	1.3974		1.2044
O4	2.1161	2.1690	1.2044

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

using model chemistry: CCSD(T)/6-31G*

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: CCSD(T)/6-31G*

States and conformations

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