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	hartrees
Energy at 0K	-409.104499
Energy at 298.15K	-409.108159
HF Energy	-408.029466
Nuclear repulsion energy	241.190025

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A_g	1481	1389	0.00
2	A_g	849	797	0.00
3	A_g	349	328	0.00
4	A_u	85	80	0.00
5	B_1u	1413	1326	382.28
6	B_1u	800	751	193.60
7	B_2g	746	700	0.00
8	B_2u	1981	1859	649.43
9	B_2u	298	280	0.29
10	B_3g	1944	1824	0.00
11	B_3g	567	532	0.00
12	B_3u	495	465	23.88

Atom	y (Å)	z (Å)
N1	0.000	0.870
N2	0.000	-0.870
O3	1.099	1.323
O4	-1.099	1.323
O5	1.099	-1.323
O6	-1.099	-1.323

	N1	N2	O3	O4	O5	O6
N1		1.7406	1.1885	1.1885	2.4535	2.4535
N2	1.7406		2.4535	2.4535	1.1885	1.1885
O3	1.1885	2.4535		2.1974	2.6469	3.4401
O4	1.1885	2.4535	2.1974		3.4401	2.6469
O5	2.4535	1.1885	2.6469	3.4401		2.1974
O6	2.4535	1.1885	3.4401	2.6469	2.1974

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
N1	N2	O5	112.412	N1	N2	O6	112.412
N2	N1	O3	112.412	N2	N1	O4	112.412
O3	N1	O4	135.175	O5	N2	O6	135.175

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

using model chemistry: MP3=FULL/6-31G*

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: MP3=FULL/6-31G*

States and conformations

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