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	hartrees
Energy at 0K	-204.897741
Energy at 298.15K	-204.899912
HF Energy	-204.513224
Nuclear repulsion energy	67.218041

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A'	3637	3490	38.52
2	A'	1631	1565	68.38
3	A'	1283	1231	159.27
4	A'	736	706	91.85
5	A'	567	544	101.28
6	A"	512	491	166.22

Atom	x (Å)	y (Å)
H1	1.817	-0.235
O2	0.919	-0.632
N3	0.000	0.551
O4	-1.147	0.180

	H1	O2	N3	O4
H1		0.9820	1.9801	2.9929
O2	0.9820		1.4984	2.2198
N3	1.9801	1.4984		1.2052
O4	2.9929	2.2198	1.2052

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)