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	hartrees
Energy at 0K	-205.162933
Energy at 298.15K	-205.165278
HF Energy	-204.632392
Nuclear repulsion energy	69.818566

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A'	3745	3545	68.10
2	A'	1809	1712	83.02
3	A'	1385	1311	199.53
4	A'	930	881	180.00
5	A'	685	649	48.15
6	A"	576	545	123.07

Atom	x (Å)	y (Å)
H1	1.767	-0.125
O2	0.896	-0.563
N3	0.000	0.519
O4	-1.117	0.125

	H1	O2	N3	O4
H1		0.9757	1.8809	2.8946
O2	0.9757		1.4048	2.1265
N3	1.8809	1.4048		1.1841
O4	2.8946	2.1265	1.1841

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

using model chemistry: CCD/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: CCD/6-31G*

States and conformations

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