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	hartrees
Energy at 0K	-409.629024
Energy at 298.15K
HF Energy	-408.187410
Nuclear repulsion energy	237.801864

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)
1	A_g	1389	1318
2	A_g	825	783
3	A_g	285	270
4	A_u	89	84
5	B_1u	1280	1214
6	B_1u	761	722
7	B_2g	703	667
8	B_2u	1795	1702
9	B_2u	243	230
10	B_3g	1764	1674
11	B_3g	509	483
12	B_3u	447	424

Atom	y (Å)	z (Å)
N1	0.000	0.873
N2	0.000	-0.873
O3	1.103	1.333
O4	-1.103	1.333
O5	1.103	-1.333
O6	-1.103	-1.333

	N1	N2	O3	O4	O5	O6
N1		1.7457	1.1952	1.1952	2.4660	2.4660
N2	1.7457		2.4660	2.4660	1.1952	1.1952
O3	1.1952	2.4660		2.2064	2.6652	3.4600
O4	1.1952	2.4660	2.2064		3.4600	2.6652
O5	2.4660	1.1952	2.6652	3.4600		2.2064
O6	2.4660	1.1952	3.4600	2.6652	2.2064

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
N1	N2	O5	112.623	N1	N2	O6	112.623
N2	N1	O3	112.623	N2	N1	O4	112.623
O3	N1	O4	134.754	O5	N2	O6	134.754

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

using model chemistry: QCISD(T)/cc-pVTZ

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: QCISD(T)/cc-pVTZ

States and conformations

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