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	hartrees
Energy at 0K	-204.686931
Energy at 298.15K	-204.689251
Nuclear repulsion energy	69.639980

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A'	3658	3589	64.24
2	A'	1784	1750	130.37
3	A'	1245	1221	184.78
4	A'	874	858	120.57
5	A'	621	610	72.95
6	A"	622	610	105.21

Atom	x (Å)	y (Å)
H1	1.766	-0.119
O2	0.897	-0.577
N3	0.000	0.517
O4	-1.118	0.139

	H1	O2	N3	O4
H1		0.9822	1.8775	2.8958
O2	0.9822		1.4147	2.1384
N3	1.8775	1.4147		1.1802
O4	2.8958	2.1384	1.1802

Number	Element	Mulliken
1	H	0.348
2	O	-0.352
3	N	0.193
4	O	-0.190

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

using model chemistry: LSDA/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
	2.194	0.435	0.000	2.237
CHELPG
AIM
ESP

	x	y	z
x	3.787	-0.428	0.000
y	-0.428	1.816	0.000
z	0.000	0.000	1.165

<r²>	0.000
(<r²>)^1/2	0.000

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

using model chemistry: LSDA/6-31G**

States and conformations

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