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	hartrees
Energy at 0K	-355.091251
Energy at 298.15K	-355.095206
HF Energy	-354.185696
Nuclear repulsion energy	187.305379

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A	3729	3499	50.03
2	A	1923	1805	410.30
3	A	1495	1403	83.44
4	A	1435	1346	201.73
5	A	1042	978	9.34
6	A	880	825	161.45
7	A	776	729	14.37
8	A	718	674	7.74
9	A	554	520	3.96
10	A	393	369	34.66
11	A	300	282	76.38
12	A	132	124	14.94

Atom	x (Å)	y (Å)	z (Å)
N1	0.585	0.071	-0.000
O2	-0.554	-0.761	0.100
O3	-1.719	-0.032	-0.158
O4	1.588	-0.581	-0.037
O5	0.409	1.257	0.010
H6	-1.894	0.436	0.680

	N1	O2	O3	O4	O5	H6
N1		1.4141	2.3120	1.1975	1.1992	2.5965
O2	1.4141		1.3991	2.1540	2.2385	1.8887
O3	2.3120	1.3991		3.3553	2.4941	0.9753
O4	1.1975	2.1540	3.3553		2.1849	3.6982
O5	1.1992	2.2385	2.4941	2.1849		2.5356
H6	2.5965	1.8887	0.9753	3.6982	2.5356

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
N1	O2	O3	110.537	O2	N1	O4	110.856
O2	N1	O5	117.629	O2	O3	H6	103.963
O4	N1	O5	131.463

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

using model chemistry: MP3=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: MP3=FULL/6-31G*

States and conformations

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