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	hartrees
Energy at 0K	-470.814132
Energy at 298.15K
HF Energy	-470.562359
Nuclear repulsion energy	128.213053

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)
1	A_g	766	721	0.00
2	A_g	380	357	0.00
3	B_1u	604	569	99.98
4	B_2u	286	269	88.21
5	B_3g	534	503	0.00
6	B_3u	49	46	116.18

Atom	y (Å)	z (Å)
Na1	0.000	1.879
Na2	0.000	-1.879
O3	0.828	0.000
O4	-0.828	0.000

	Na1	Na2	O3	O4
Na1		3.7574	2.0531	2.0531
Na2	3.7574		2.0531	2.0531
O3	2.0531	2.0531		1.6564
O4	2.0531	2.0531	1.6564

atom1	atom2	atom3	angle		atom1	atom2	atom3	angle
Na1	O3	Na2	132.420		Na1	O4	Na2	132.420
O3	Na1	O4	47.580		O3	Na2	O4	47.580

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)