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	hartrees
Energy at 0K	-409.285852
Energy at 298.15K
HF Energy	-408.202146
Nuclear repulsion energy	247.613366

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A_g	1560	1441	0.00
2	A_g	928	858	0.00
3	A_g	423	391	0.00
4	A_u	73	67	0.00
5	B_1u	1469	1357	413.15
6	B_1u	851	786	219.00
7	B_2g	880	813	0.00
8	B_2u	2008	1855	1003.61
9	B_2u	333	308	0.00
10	B_3g	1956	1807	0.00
11	B_3g	601	555	0.00
12	B_3u	568	525	29.53

Atom	y (Å)	z (Å)
N1	0.000	0.808
N2	0.000	-0.808
O3	1.071	1.263
O4	-1.071	1.263
O5	1.071	-1.263
O6	-1.071	-1.263

	N1	N2	O3	O4	O5	O6
N1		1.6168	1.1637	1.1637	2.3319	2.3319
N2	1.6168		2.3319	2.3319	1.1637	1.1637
O3	1.1637	2.3319		2.1425	2.5258	3.3121
O4	1.1637	2.3319	2.1425		3.3121	2.5258
O5	2.3319	1.1637	2.5258	3.3121		2.1425
O6	2.3319	1.1637	3.3121	2.5258	2.1425

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
N1	N2	O5	112.989	N1	N2	O6	112.989
N2	N1	O3	112.989	N2	N1	O4	112.989
O3	N1	O4	134.021	O5	N2	O6	134.021

All results from a given calculation for N₂O₄ (Dinitrogen tetroxide)

using model chemistry: CID/6-311+G(3df,2p)

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 N2O4 (Dinitrogen tetroxide)

using model chemistry: CID/6-311+G(3df,2p)

States and conformations

All results from a given calculation for N₂O₄ (Dinitrogen tetroxide)