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	hartrees
Energy at 0K	-473.918978
Energy at 298.15K
HF Energy	-473.399908
Nuclear repulsion energy	126.360301

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A_g	718	677	0.00
2	A_g	354	334	0.00
3	B_1u	555	523	176.39
4	B_2u	243	230	117.36
5	B_3g	479	451	0.00
6	B_3u	64	60	121.99

Atom	y (Å)	z (Å)
Na1	0.000	1.953
Na2	0.000	-1.953
O3	0.787	0.000
O4	-0.787	0.000

	Na1	Na2	O3	O4
Na1		3.9063	2.1058	2.1058
Na2	3.9063		2.1058	2.1058
O3	2.1058	2.1058		1.5743
O4	2.1058	2.1058	1.5743

atom1	atom2	atom3	angle		atom1	atom2	atom3	angle
Na1	O3	Na2	136.101		Na1	O4	Na2	136.101
O3	Na1	O4	43.899		O3	Na2	O4	43.899

All results from a given calculation for Na₂O₂ (disodium dioxide)

using model chemistry: CCSD/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 Na2O2 (disodium dioxide)

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

States and conformations

All results from a given calculation for Na₂O₂ (disodium dioxide)