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	hartrees
Energy at 0K	-355.151250
Energy at 298.15K	-355.154880
HF Energy	-354.162641
Nuclear repulsion energy	181.431081

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)
1	A	3645	3480
2	A	1827	1745
3	A	1419	1355
4	A	1292	1234
5	A	928	886
6	A	745	711
7	A	686	655
8	A	603	576
9	A	393	375
10	A	365	348
11	A	296	283
12	A	141	135

Atom	x (Å)	y (Å)	z (Å)
N1	0.646	0.088	0.000
O2	-0.640	-0.822	0.044
O3	-1.762	0.038	-0.136
O4	1.640	-0.615	-0.011
O5	0.444	1.286	0.004
H6	-1.971	0.291	0.789

	N1	O2	O3	O4	O5	H6
N1		1.5762	2.4122	1.2173	1.2150	2.7404
O2	1.5762		1.4248	2.2903	2.3708	1.8880
O3	2.4122	1.4248		3.4661	2.5381	0.9812
O4	1.2173	2.2903	3.4661		2.2458	3.8074
O5	1.2150	2.3708	2.5381	2.2458		2.7265
H6	2.7404	1.8880	0.9812	3.8074	2.7265

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
N1	O2	O3	106.882	O2	N1	O4	109.471
O2	N1	O5	115.681	O2	O3	H6	101.806
O4	N1	O5	134.838

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

using model chemistry: MP4/6-31G*

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: MP4/6-31G*

States and conformations

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