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	hartrees
Energy at 0K	-474.021891
Energy at 298.15K
HF Energy	-473.432508
Nuclear repulsion energy	125.154651

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)
1	A_g	640	616
2	A_g	343	330
3	B_1u	544	523
4	B_2u	242	233
5	B_3g	470	452
6	B_3u	68	65

Atom	y (Å)	z (Å)
Na1	0.000	1.962
Na2	0.000	-1.962
O3	0.805	0.000
O4	-0.805	0.000

	Na1	Na2	O3	O4
Na1		3.9243	2.1210	2.1210
Na2	3.9243		2.1210	2.1210
O3	2.1210	2.1210		1.6108
O4	2.1210	2.1210	1.6108

atom1	atom2	atom3	angle		atom1	atom2	atom3	angle
Na1	O3	Na2	135.366		Na1	O4	Na2	135.366
O3	Na1	O4	44.634		O3	Na2	O4	44.634

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

using model chemistry: CCSD(T)/aug-cc-pVQZ

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)/aug-cc-pVQZ

States and conformations

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