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	hartrees
Energy at 0K	-355.078511
Energy at 298.15K	-355.082462
HF Energy	-354.185366
Nuclear repulsion energy	187.170866

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A	3728	3499	49.91
2	A	1918	1800	408.27
3	A	1494	1402	83.29
4	A	1432	1344	202.03
5	A	1040	977	9.37
6	A	879	825	160.47
7	A	773	726	14.02
8	A	717	673	7.85
9	A	553	520	3.83
10	A	393	369	34.87
11	A	299	281	76.28
12	A	132	124	14.86

Atom	x (Å)	y (Å)	z (Å)
N1	0.595	0.075	0.001
O2	-0.569	-0.779	0.099
O3	-1.723	-0.014	-0.161
O4	1.596	-0.582	-0.038
O5	0.412	1.258	0.013
H6	-1.899	0.409	0.701

	N1	O2	O3	O4	O5	H6
N1		1.4474	2.3262	1.1975	1.1972	2.6126
O2	1.4474		1.4096	2.1780	2.2631	1.8830
O3	2.3262	1.4096		3.3698	2.4921	0.9766
O4	1.1975	2.1780	3.3698		2.1882	3.7075
O5	1.1972	2.2631	2.4921	2.1882		2.5570
H6	2.6126	1.8830	0.9766	3.7075	2.5570

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
N1	O2	O3	109.009	O2	N1	O4	110.516
O2	N1	O5	117.373	O2	O3	H6	102.697
O4	N1	O5	132.065

All results from a given calculation for HOONO₂ (peroxy nitric acid)

using model chemistry: MP3/6-31G*

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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All results from a given calculation for HOONO2 (peroxy nitric acid)

using model chemistry: MP3/6-31G*

States and conformations

All results from a given calculation for HOONO₂ (peroxy nitric acid)