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	hartrees
Energy at 0K	-473.840711
Energy at 298.15K
HF Energy	-473.346024
Nuclear repulsion energy	126.521469

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A_g	702	664	0.00
2	A_g	370	350	0.00
3	B_1u	576	545	177.07
4	B_2u	262	248	98.36
5	B_3g	500	472	0.00
6	B_3u	71	68	110.18

Atom	y (Å)	z (Å)
Na1	0.000	1.941
Na2	0.000	-1.941
O3	0.797	0.000
O4	-0.797	0.000

	Na1	Na2	O3	O4
Na1		3.8821	2.0982	2.0982
Na2	3.8821		2.0982	2.0982
O3	2.0982	2.0982		1.5936
O4	2.0982	2.0982	1.5936

atom1	atom2	atom3	angle		atom1	atom2	atom3	angle
Na1	O3	Na2	135.364		Na1	O4	Na2	135.364
O3	Na1	O4	44.636		O3	Na2	O4	44.636

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

using model chemistry: CCSD/6-31G(2df,p)

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/6-31G(2df,p)

States and conformations

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