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	hartrees
Energy at 0K	-355.368058
Energy at 298.15K	-355.371911
HF Energy	-354.271330
Nuclear repulsion energy	185.142782

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A	3764	3565	34.25
2	A	1971	1866	221.26
3	A	1477	1399	64.08
4	A	1342	1271	200.06
5	A	994	941	39.06
6	A	803	760	142.97
7	A	736	697	9.14
8	A	661	626	35.47
9	A	435	412	77.59
10	A	402	381	80.71
11	A	320	303	8.30
12	A	144	137	11.94

Atom	x (Å)	y (Å)	z (Å)
N1	0.632	0.085	0.001
O2	-0.622	-0.789	0.051
O3	-1.735	0.030	-0.138
O4	1.601	-0.614	-0.015
O5	0.450	1.262	0.006
H6	-1.978	0.293	0.760

	N1	O2	O3	O4	O5	H6
N1		1.5302	2.3719	1.1940	1.1917	2.7259
O2	1.5302		1.3945	2.2309	2.3160	1.8737
O3	2.3719	1.3945		3.3992	2.5130	0.9663
O4	1.1940	2.2309	3.3992		2.2009	3.7716
O5	1.1917	2.3160	2.5130	2.2009		2.7210
H6	2.7259	1.8737	0.9663	3.7716	2.7210

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
N1	O2	O3	108.299	O2	N1	O4	109.332
O2	N1	O5	116.061	O2	O3	H6	103.567
O4	N1	O5	134.596

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

using model chemistry: MP2=FULL/6-311G*

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: MP2=FULL/6-311G*

States and conformations

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