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	hartrees
Energy at 0K	-352.862530
Energy at 298.15K	-352.866045
HF Energy	-352.160629
Nuclear repulsion energy	175.636187

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A	3412	3258	4.16
2	A	1761	1681	11.94
3	A	1333	1273	71.60
4	A	1076	1028	188.02
5	A	955	911	39.19
6	A	744	710	149.30
7	A	621	593	5.72
8	A	588	562	31.80
9	A	421	402	24.82
10	A	332	317	65.28
11	A	279	266	29.40
12	A	116	111	10.82

Atom	x (Å)	y (Å)	z (Å)
N1	0.657	0.094	0.002
O2	-0.644	-0.897	0.058
O3	-1.795	0.039	-0.149
O4	1.722	-0.584	-0.022
O5	0.391	1.322	0.012
H6	-1.988	0.298	0.798

	N1	O2	O3	O4	O5	H6
N1		1.6367	2.4569	1.2623	1.2564	2.7700
O2	1.6367		1.4976	2.3876	2.4490	1.9450
O3	2.4569	1.4976		3.5731	2.5393	1.0011
O4	1.2623	2.3876	3.5731		2.3247	3.9001
O5	1.2564	2.4490	2.5393	2.3247		2.7067
H6	2.7700	1.9450	1.0011	3.9001	2.7067

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
N1	O2	O3	103.145	O2	N1	O4	110.224
O2	N1	O5	115.036	O2	O3	H6	100.337
O4	N1	O5	134.729

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

using model chemistry: MP2=FULL/3-21G

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/3-21G

States and conformations

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