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Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A_g	1549	1523	0.00
2	A_g	767	755	0.00
3	A_g	324	319	0.00
4	A_u	95	94	0.08
5	B_u	1464	1440	368.94
6	B_u	188	185	1.74

	hartrees
Energy at 0K	-256.991184
Energy at 298.15K	-256.992085
HF Energy	-256.991184
Nuclear repulsion energy	96.101953

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A_g	1549	1523	0.00
2	A_g	767	755	0.00
3	A_g	324	319	0.00
4	A_u	95	94	0.08
5	B_u	1464	1440	368.94
6	B_u	188	185	1.74

Atom	x (Å)	y (Å)
N1	-0.433	0.840
N2	0.433	-0.840
O3	0.433	1.680
O4	-0.433	-1.680

	N1	N2	O3	O4
N1		1.8897	1.2070	2.5201
N2	1.8897		2.5201	1.2070
O3	1.2070	2.5201		3.4705
O4	2.5201	1.2070	3.4705

All results from a given calculation for ONNO (NO dimer)

using model chemistry: LSDA/3-21G

States and conformations

Conformer 1 (cis C2V)

Conformer 2 (trans C2H)

	Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
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Number	Element	Mulliken
1	N	0.184
2	N	0.184
3	O	-0.184
4	O	-0.184

<r²>	73.937
(<r²>)^1/2	8.599