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	hartrees
Energy at 0K	-352.853430
Energy at 298.15K	-352.856945
HF Energy	-352.160561
Nuclear repulsion energy	175.618985

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A	3411	3256	4.12
2	A	1761	1681	11.90
3	A	1333	1272	71.64
4	A	1076	1027	187.94
5	A	954	911	39.32
6	A	743	710	149.36
7	A	621	593	5.71
8	A	588	561	31.82
9	A	421	402	24.87
10	A	332	317	65.37
11	A	279	266	29.23
12	A	116	111	10.80

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		1.6370	2.4572	1.2624	1.2565	2.7703
O2	1.6370		1.4977	2.3878	2.4493	1.9450
O3	2.4572	1.4977		3.5734	2.5396	1.0011
O4	1.2624	2.3878	3.5734		2.3249	3.9004
O5	1.2565	2.4493	2.5396	2.3249		2.7071
H6	2.7703	1.9450	1.0011	3.9004	2.7071

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
N1	O2	O3	103.143	O2	N1	O4	110.221
O2	N1	O5	115.033	O2	O3	H6	100.329
O4	N1	O5	134.735

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

using model chemistry: MP2/3-21G

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: MP2/3-21G

States and conformations

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