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	hartrees
Energy at 0K	-205.207989
Energy at 298.15K	-205.210297
Nuclear repulsion energy	69.360637

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A'	3789	3601	85.69
2	A'	1682	1598	80.53
3	A'	1300	1236	180.60
4	A'	853	811	169.99
5	A'	625	594	119.85
6	A"	592	563	99.58

Atom	x (Å)	y (Å)
H1	-1.758	-0.114
O2	-0.903	-0.579
N3	0.000	0.520
O4	1.123	0.138

	H1	O2	N3	O4
H1		0.9724	1.8686	2.8919
O2	0.9724		1.4227	2.1497
N3	1.8686	1.4227		1.1864
O4	2.8919	2.1497	1.1864

All results from a given calculation for HNO₂ (Nitrous acid)

using model chemistry: MP2=FULL/cc-pVDZ

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 HNO2 (Nitrous acid)

using model chemistry: MP2=FULL/cc-pVDZ

States and conformations

All results from a given calculation for HNO₂ (Nitrous acid)