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	hartrees
Energy at 0K	-323.701766
Energy at 298.15K
HF Energy	-323.682857
Nuclear repulsion energy	20.187230

Atom	x (Å)	y (Å)	z (Å)
Na1	0.000	0.000	1.586
Na2	0.000	0.000	-1.586

	Na1	Na2
Na1		3.1718
Na2	3.1718

All results from a given calculation for Na₂ (Sodium diatomic)

using model chemistry: MP2/6-31G(2df,p)

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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Calc. vs exp. Bad Vib. HF vs MP2 Bad scale factors Low excited states Oddities NaCN Is not linear FAQ Help Units Choose Units Energy Bond length Rotational Constant Moment of Inertia Dipole and Quadrupole Polarizability Explanations Hartree cm-1 Debye Credits Just show me Show me a calculated geometry Summary Using older interface Limit Basis sets Method options List Recent molecules Choose a few Molecules Number of atoms By heavy atoms Diatomics InChI Deuterated Dimers Geometry Point group Point group count Bonds types Isodesmic reactions Bad point group Multiple conformers, states Vibrations Big anharmonicity Energy Enthalpy at 0 Kelvin Similar molecules Similar Isomers Cis/trans Tautomers Multiple conformers, states Ions, Dipoles, etc. List Ions Ionization changes point group Dipole Quadrupole Polarizability Proton Affinities Index of CCCBDB Feedback Error form Wants
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All results from a given calculation for Na2 (Sodium diatomic)

using model chemistry: MP2/6-31G(2df,p)

States and conformations

All results from a given calculation for Na₂ (Sodium diatomic)