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	hartrees
Energy at 0K	-474.023845
Energy at 298.15K
HF Energy	-473.402707
Nuclear repulsion energy	125.808659

Mode Number	Symmetry	Frequency (cm^-1)	Scaled Frequency (cm^-1)	IR Intensities (km mol^-1)	Raman Act (Å⁴/u)	Dep P	Dep U
1	A_g	655	624	0.00	5.18	0.58	0.73
2	A_g	344	328	0.00	17.97	0.20	0.34
3	B_1u	541	515	133.68	0.00	0.00	0.00
4	B_2u	256	244	131.83	0.00	0.00	0.00
5	B_3g	486	463	0.00	1.08	0.75	0.86
6	B_3u	77	74	140.63	0.00	0.00	0.00

Atom	y (Å)	z (Å)
Na1	0.000	1.946
Na2	0.000	-1.946
O3	0.808	0.000
O4	-0.808	0.000

	Na1	Na2	O3	O4
Na1		3.8922	2.1071	2.1071
Na2	3.8922		2.1071	2.1071
O3	2.1071	2.1071		1.6159
O4	2.1071	2.1071	1.6159

atom1	atom2	atom3	angle		atom1	atom2	atom3	angle
Na1	O3	Na2	134.906		Na1	O4	Na2	134.906
O3	Na1	O4	45.094		O3	Na2	O4	45.094

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

using model chemistry: MP2=FULL/TZVP

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: MP2=FULL/TZVP

States and conformations

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