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	hartrees
Energy at 0K	-473.936913
Energy at 298.15K
HF Energy	-473.419890
Nuclear repulsion energy	125.942572

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A_g	720	678	0.00
2	A_g	355	334	0.00
3	B_1u	550	518	169.25
4	B_2u	248	233	108.64
5	B_3g	482	454	0.00
6	B_3u	67	63	119.58

Atom	y (Å)	z (Å)
Na1	0.000	1.959
Na2	0.000	-1.959
O3	0.791	0.000
O4	-0.791	0.000

	Na1	Na2	O3	O4
Na1		3.9174	2.1123	2.1123
Na2	3.9174		2.1123	2.1123
O3	2.1123	2.1123		1.5816
O4	2.1123	2.1123	1.5816

atom1	atom2	atom3	angle		atom1	atom2	atom3	angle
Na1	O3	Na2	136.029		Na1	O4	Na2	136.029
O3	Na1	O4	43.971		O3	Na2	O4	43.971

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

using model chemistry: CCSD/cc-pVTZ

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/cc-pVTZ

States and conformations

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