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	hartrees
Energy at 0K	-205.668330
Energy at 298.15K	-205.670552
Nuclear repulsion energy	66.987687

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A'	3631	3491	45.30
2	A'	1613	1551	131.74
3	A'	1211	1164	186.72
4	A'	787	756	142.11
5	A'	574	552	69.90
6	A"	565	544	159.06

Atom	x (Å)	y (Å)
H1	1.827	-0.216
O2	0.928	-0.625
N3	0.000	0.546
O4	-1.156	0.174

	H1	O2	N3	O4
H1		0.9878	1.9791	3.0081
O2	0.9878		1.4934	2.2313
N3	1.9791	1.4934		1.2144
O4	3.0081	2.2313	1.2144

Number	Element	Mulliken
1	H	0.371
2	O	-0.413
3	N	0.163
4	O	-0.120

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

using model chemistry: B3LYP/SDD

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
	2.294	0.892	0.000	2.462
CHELPG
AIM
ESP

	x	y	z
x	4.102	-0.610	0.000
y	-0.610	1.920	0.000
z	0.000	0.000	0.877

<r²>	36.440
(<r²>)^1/2	6.037

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

using model chemistry: B3LYP/SDD

States and conformations

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