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	hartrees
Energy at 0K	-355.288230
Energy at 298.15K	-355.292073
HF Energy	-354.277864
Nuclear repulsion energy	185.040424

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A	3815	3625	46.21
2	A	1965	1867	218.70
3	A	1425	1354	58.02
4	A	1338	1271	198.01
5	A	987	938	38.57
6	A	802	762	146.00
7	A	734	697	8.02
8	A	660	627	35.22
9	A	437	415	83.61
10	A	391	371	58.85
11	A	317	301	11.05
12	A	143	136	11.06

Atom	x (Å)	y (Å)	z (Å)
N1	0.632	0.085	0.000
O2	-0.621	-0.791	0.053
O3	-1.738	0.028	-0.139
O4	1.602	-0.612	-0.016
O5	0.448	1.263	0.006
H6	-1.944	0.308	0.762

	N1	O2	O3	O4	O5	H6
N1		1.5302	2.3748	1.1949	1.1927	2.6951
O2	1.5302		1.3982	2.2317	2.3166	1.8601
O3	2.3748	1.3982		3.4032	2.5150	0.9659
O4	1.1949	2.2317	3.4032		2.2027	3.7450
O5	1.1927	2.3166	2.5150	2.2027		2.6838
H6	2.6951	1.8601	0.9659	3.7450	2.6838

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
N1	O2	O3	108.297	O2	N1	O4	109.341
O2	N1	O5	116.045	O2	O3	H6	102.224
O4	N1	O5	134.601

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

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

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: MP2/6-311G**

States and conformations

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