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	hartrees
Energy at 0K	-205.260921
Energy at 298.15K	-205.263257
HF Energy	-204.686167
Nuclear repulsion energy	69.742929

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A'	3794	3606	67.87
2	A'	1695	1611	75.87
3	A'	1338	1271	211.65
4	A'	867	824	180.78
5	A'	645	613	118.52
6	A"	618	587	130.51

Atom	x (Å)	y (Å)
H1	1.739	-0.096
O2	0.883	-0.544
N3	0.000	0.531
O4	-1.101	0.092

	H1	O2	N3	O4
H1		0.9656	1.8483	2.8458
O2	0.9656		1.3910	2.0834
N3	1.8483	1.3910		1.1851
O4	2.8458	2.0834	1.1851

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

using model chemistry: MP2/6-311G*

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: MP2/6-311G*

States and conformations

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