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	hartrees
Energy at 0K	-205.280283
Energy at 298.15K	-205.282605
Nuclear repulsion energy	69.998443

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A'	3861	3684	73.34
2	A'	1792	1710	115.02
3	A'	1349	1287	181.10
4	A'	886	846	147.47
5	A'	663	632	69.76
6	A"	562	536	106.82

Atom	x (Å)	y (Å)
H1	1.749	-0.137
O2	0.893	-0.579
N3	0.000	0.516
O4	-1.112	0.145

	H1	O2	N3	O4
H1		0.9629	1.8669	2.8746
O2	0.9629		1.4130	2.1316
N3	1.8669	1.4130		1.1721
O4	2.8746	2.1316	1.1721

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

using model chemistry: QCISD/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: QCISD/6-311G**

States and conformations

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