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	hartrees
Energy at 0K	-470.860089
Energy at 298.15K
HF Energy	-470.600549
Nuclear repulsion energy	128.952789

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A_g	765	714	0.00
2	A_g	391	366	0.00
3	B_1u	614	574	139.87
4	B_2u	303	283	79.02
5	B_3g	547	512	0.00
6	B_3u	57	53	108.26

Atom	y (Å)	z (Å)
Na1	0.000	1.862
Na2	0.000	-1.862
O3	0.830	0.000
O4	-0.830	0.000

	Na1	Na2	O3	O4
Na1		3.7247	2.0389	2.0389
Na2	3.7247		2.0389	2.0389
O3	2.0389	2.0389		1.6599
O4	2.0389	2.0389	1.6599

atom1	atom2	atom3	angle		atom1	atom2	atom3	angle
Na1	O3	Na2	131.961		Na1	O4	Na2	131.961
O3	Na1	O4	48.039		O3	Na2	O4	48.039

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

using model chemistry: CISD/3-21G*

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: CISD/3-21G*

States and conformations

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