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	hartrees
Energy at 0K	-205.629010
Energy at 298.15K	-205.631379
HF Energy	-205.629010
Nuclear repulsion energy

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A'	3799	3603	73.68
2	A'	1838	1743	126.82
3	A'	1367	1296	209.39
4	A'	938	890	182.34
5	A'	685	650	54.52
6	A"	615	583	117.00

Atom	x (Å)	y (Å)
H1	1.732	-0.087
O2	0.873	-0.539
N3	0.000	0.533
O4	-1.090	0.084

	H1	O2	N3	O4
H1		0.9701	1.8392	2.8266
O2	0.9701		1.3827	2.0598
N3	1.8392	1.3827		1.1786
O4	2.8266	2.0598	1.1786

Number	Element	Mulliken
1	H	0.431
2	O	-0.471
3	N	0.265
4	O	-0.225

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

using model chemistry: wB97X-D/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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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
	2.279	0.589	0.000	2.353
CHELPG
AIM
ESP

	x	y	z
x	3.583	-0.368	0.000
y	-0.368	1.729	0.000
z	0.000	0.000	1.139

<r²>	33.550
(<r²>)^1/2	5.792

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

using model chemistry: wB97X-D/6-31G*

States and conformations

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