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	hartrees
Energy at 0K	-205.660755
Energy at 298.15K	-205.663093
Nuclear repulsion energy	70.144709

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A'	3770	3624	79.63
2	A'	1832	1761	149.47
3	A'	1306	1256	184.56
4	A'	879	845	151.45
5	A'	653	627	81.71
6	A"	601	578	96.38

Atom	x (Å)	y (Å)
H1	1.754	-0.137
O2	0.890	-0.578
N3	0.000	0.514
O4	-1.109	0.145

	H1	O2	N3	O4
H1		0.9708	1.8710	2.8771
O2	0.9708		1.4084	2.1254
N3	1.8710	1.4084		1.1686
O4	2.8771	2.1254	1.1686

Number	Element	Mulliken
1	H	0.167
2	O	-0.166
3	N	0.129
4	O	-0.130

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

using model chemistry: B1B95/cc-pVDZ

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
	2.044	0.571	0.000	2.122
CHELPG
AIM
ESP

	x	y	z
x	3.626	-0.424	0.000
y	-0.424	1.684	0.000
z	0.000	0.000	1.036

<r²>	33.613
(<r²>)^1/2	5.798

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

using model chemistry: B1B95/cc-pVDZ

States and conformations

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