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	hartrees
Energy at 0K	-409.561912
Energy at 298.15K
HF Energy	-408.217958
Nuclear repulsion energy	242.058842

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A_g	1447	1447	0.00
2	A_g	867	867	0.00
3	A_g	360	360	0.00
4	A_u	80	80	0.00
5	B_1u	1349	1349	401.98
6	B_1u	796	796	215.55
7	B_2g	772	772	0.00
8	B_2u	1867	1867	762.38
9	B_2u	289	289	0.01
10	B_3g	1831	1831	0.00
11	B_3g	558	558	0.00
12	B_3u	502	502	19.96

Atom	y (Å)	z (Å)
N1	0.000	0.841
N2	0.000	-0.841
O3	1.090	1.300
O4	-1.090	1.300
O5	1.090	-1.300
O6	-1.090	-1.300

	N1	N2	O3	O4	O5	O6
N1		1.6820	1.1829	1.1829	2.4022	2.4022
N2	1.6820		2.4022	2.4022	1.1829	1.1829
O3	1.1829	2.4022		2.1807	2.5990	3.3927
O4	1.1829	2.4022	2.1807		3.3927	2.5990
O5	2.4022	1.1829	2.5990	3.3927		2.1807
O6	2.4022	1.1829	3.3927	2.5990	2.1807

atom1	atom2	atom3	angle	atom1	atom2	atom3	angle
N1	N2	O5	112.807	N1	N2	O6	112.807
N2	N1	O3	112.807	N2	N1	O4	112.807
O3	N1	O4	134.385	O5	N2	O6	134.385

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

using model chemistry: CCSD/Def2TZVPP

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: CCSD/Def2TZVPP

States and conformations

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