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	hartrees
Energy at 0K	-205.523318
Energy at 298.15K	-205.525562
Nuclear repulsion energy	68.463891

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A'	3595	3574	49.20
2	A'	1743	1733	156.94
3	A'	1220	1213	155.21
4	A'	793	789	86.35
5	A'	555	552	100.38
6	A"	595	591	84.21

Atom	x (Å)	y (Å)
H1	1.776	-0.166
O2	0.905	-0.625
N3	0.000	0.532
O4	-1.127	0.180

	H1	O2	N3	O4
H1		0.9845	1.9083	2.9235
O2	0.9845		1.4687	2.1855
N3	1.9083	1.4687		1.1805
O4	2.9235	2.1855	1.1805

Number	Element	Mulliken
1	H	0.158
2	O	-0.158
3	N	0.096
4	O	-0.095

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

using model chemistry: PBEPBE/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
	1.770	0.546	0.000	1.852
CHELPG
AIM
ESP

	x	y	z
x	3.888	-0.573	0.000
y	-0.573	1.855	0.000
z	0.000	0.000	1.054

<r²>	34.950
(<r²>)^1/2	5.912

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

using model chemistry: PBEPBE/cc-pVDZ

States and conformations

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