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	hartrees
Energy at 0K	-406.305677
Energy at 298.15K
HF Energy	-405.656059
Nuclear repulsion energy	236.100767

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A_g	1243	1157	0.00
2	A_g	837	779	0.00
3	A_g	389	362	0.00
4	A_u	110	102	0.00
5	B_1u	1161	1081	376.16
6	B_1u	759	706	151.02
7	B_2g	701	652	0.00
8	B_2u	1610	1498	364.54
9	B_2u	265	247	0.79
10	B_3g	1579	1469	0.00
11	B_3g	520	484	0.00
12	B_3u	460	428	22.75

Atom	y (Å)	z (Å)
N1	0.000	0.845
N2	0.000	-0.845
O3	1.132	1.312
O4	-1.132	1.312
O5	1.132	-1.312
O6	-1.132	-1.312

	N1	N2	O3	O4	O5	O6
N1		1.6910	1.2242	1.2242	2.4362	2.4362
N2	1.6910		2.4362	2.4362	1.2242	1.2242
O3	1.2242	2.4362		2.2639	2.6235	3.4653
O4	1.2242	2.4362	2.2639		3.4653	2.6235
O5	2.4362	1.2242	2.6235	3.4653		2.2639
O6	2.4362	1.2242	3.4653	2.6235	2.2639

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
N1	N2	O5	112.388	N1	N2	O6	112.388
N2	N1	O3	112.388	N2	N1	O4	112.388
O3	N1	O4	135.223	O5	N2	O6	135.223

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

using model chemistry: CID/3-21G*

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/3-21G*

States and conformations

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