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	hartrees
Energy at 0K	-355.130541
Energy at 298.15K	-355.134316
HF Energy	-354.178984
Nuclear repulsion energy	183.705306

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A	3792	3544	39.64
2	A	1957	1829	182.54
3	A	1419	1326	68.00
4	A	1329	1242	189.61
5	A	966	902	37.49
6	A	776	725	146.81
7	A	717	670	9.23
8	A	647	604	35.03
9	A	434	406	74.39
10	A	374	350	52.92
11	A	311	291	19.34
12	A	143	134	11.13

Atom	x (Å)	y (Å)	z (Å)
N1	0.630	0.088	-0.000
O2	-0.611	-0.808	0.048
O3	-1.746	0.022	-0.136
O4	1.621	-0.603	-0.013
O5	0.428	1.276	0.004
H6	-1.944	0.292	0.776

	N1	O2	O3	O4	O5	H6
N1		1.5309	2.3801	1.2088	1.2053	2.6956
O2	1.5309		1.4179	2.2425	2.3290	1.8751
O3	2.3801	1.4179		3.4268	2.5132	0.9715
O4	1.2088	2.2425	3.4268		2.2264	3.7593
O5	1.2053	2.3290	2.5132	2.2264		2.6811
H6	2.6956	1.8751	0.9715	3.7593	2.6811

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
N1	O2	O3	107.573	O2	N1	O4	109.305
O2	N1	O5	116.172	O2	O3	H6	101.769
O4	N1	O5	134.511

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

using model chemistry: MP2=FULL/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: MP2=FULL/6-31G**

States and conformations

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