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	hartrees
Energy at 0K	-204.702488
Energy at 298.15K	-204.704794
Nuclear repulsion energy	69.703268

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A'	3649	3594	86.83
2	A'	1775	1749	176.15
3	A'	1237	1219	182.39
4	A'	845	832	142.64
5	A'	623	613	99.75
6	A"	608	599	115.58

Atom	x (Å)	y (Å)
H1	1.773	-0.130
O2	0.896	-0.576
N3	0.000	0.514
O4	-1.118	0.142

	H1	O2	N3	O4
H1		0.9835	1.8861	2.9036
O2	0.9835		1.4116	2.1387
N3	1.8861	1.4116		1.1783
O4	2.9036	2.1387	1.1783

Number	Element	Mulliken
1	H	0.368
2	O	-0.186
3	N	-0.179
4	O	-0.003

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

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

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
	2.260	0.533	0.000	2.323
CHELPG
AIM
ESP

	x	y	z
x	4.370	-0.500	0.000
y	-0.500	2.607	0.000
z	0.000	0.000	1.865

<r²>	0.000
(<r²>)^1/2	0.000

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

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

States and conformations

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