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	hartrees
Energy at 0K	-205.657401
Energy at 298.15K	-205.659756
Nuclear repulsion energy	70.346014

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A'	3810	3648	73.76
2	A'	1817	1740	130.74
3	A'	1329	1273	184.43
4	A'	898	860	159.10
5	A'	669	641	70.04
6	A"	612	586	96.72

Atom	x (Å)	y (Å)
H1	1.751	-0.136
O2	0.889	-0.571
N3	0.000	0.512
O4	-1.107	0.140

	H1	O2	N3	O4
H1		0.9656	1.8667	2.8714
O2	0.9656		1.4010	2.1190
N3	1.8667	1.4010		1.1682
O4	2.8714	2.1190	1.1682

Number	Element	Mulliken
1	H	0.321
2	O	-0.371
3	N	0.225
4	O	-0.174

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

using model chemistry: B1B95/6-31G(2df,p)

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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Calc. vs exp. Bad Vib. HF vs MP2 Bad scale factors Low excited states Oddities NaCN Is not linear FAQ Help Units Choose Units Energy Bond length Rotational Constant Moment of Inertia Dipole and Quadrupole Polarizability Explanations Hartree cm-1 Debye Credits Just show me Show me a calculated geometry Summary Using older interface Limit Basis sets Method options List Recent molecules Choose a few Molecules Number of atoms By heavy atoms Diatomics InChI Deuterated Dimers Geometry Point group Point group count Bonds types Isodesmic reactions Bad point group Multiple conformers, states Vibrations Big anharmonicity Energy Enthalpy at 0 Kelvin Similar molecules Similar Isomers Cis/trans Tautomers Multiple conformers, states Ions, Dipoles, etc. List Ions Ionization changes point group Dipole Quadrupole Polarizability Proton Affinities Index of CCCBDB Feedback Error form Wants
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	x	y	z	Total
	2.068	0.444	0.000	2.115
CHELPG
AIM
ESP

	x	y	z
x	3.705	-0.410	0.000
y	-0.410	1.988	0.000
z	0.000	0.000	1.463

<r²>	33.416
(<r²>)^1/2	5.781

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

using model chemistry: B1B95/6-31G(2df,p)

States and conformations

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