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	hartrees
Energy at 0K	-473.827397
Energy at 298.15K
HF Energy	-473.372421
Nuclear repulsion energy	125.635533

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)
1	A_g	537	518
2	A_g	340	328
3	B_1u	567	547
4	B_2u	268	258
5	B_3g	493	476
6	B_3u	51	49

Atom	y (Å)	z (Å)
Na1	0.000	1.926
Na2	0.000	-1.926
O3	0.835	0.000
O4	-0.835	0.000

	Na1	Na2	O3	O4
Na1		3.8513	2.0990	2.0990
Na2	3.8513		2.0990	2.0990
O3	2.0990	2.0990		1.6706
O4	2.0990	2.0990	1.6706

atom1	atom2	atom3	angle		atom1	atom2	atom3	angle
Na1	O3	Na2	133.101		Na1	O4	Na2	133.101
O3	Na1	O4	46.899		O3	Na2	O4	46.899

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

using model chemistry: CCSD(T)/6-311G**

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(T)/6-311G**

States and conformations

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