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	hartrees
Energy at 0K	-355.105763
Energy at 298.15K	-355.109524
HF Energy	-354.171942
Nuclear repulsion energy	183.451107

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A	3677	3468	43.96
2	A	1954	1843	180.74
3	A	1434	1353	70.32
4	A	1328	1252	190.47
5	A	966	911	37.40
6	A	775	731	144.88
7	A	714	673	9.45
8	A	644	607	34.79
9	A	431	407	72.94
10	A	379	358	61.09
11	A	312	294	15.21
12	A	142	134	11.11

Atom	x (Å)	y (Å)	z (Å)
N1	0.595	0.077	-0.000
O2	-0.560	-0.767	0.093
O3	-1.734	-0.034	-0.154
O4	1.602	-0.592	-0.033
O5	0.410	1.273	0.008
H6	-1.906	0.421	0.695

	N1	O2	O3	O4	O5	H6
N1		1.4330	2.3368	1.2099	1.2108	2.6184
O2	1.4330		1.4068	2.1728	2.2606	1.8935
O3	2.3368	1.4068		3.3854	2.5163	0.9779
O4	1.2099	2.1728	3.3854		2.2145	3.7236
O5	1.2108	2.2606	2.5163	2.2145		2.5618
H6	2.6184	1.8935	0.9779	3.7236	2.5618

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
N1	O2	O3	110.743	O2	N1	O4	110.312
O2	N1	O5	117.289	O2	O3	H6	103.659
O4	N1	O5	132.354

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

using model chemistry: MP2/6-31G*

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: MP2/6-31G*

States and conformations

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