CCCBDB listing of experimental data page 2

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Property	Value	Uncertainty	units	Reference
Hfg(298.15K)	142.07	1.20	kJ mol^-1	JANAF
Hfg(0K)	144.59	1.20	kJ mol^-1	JANAF
Entropy (298.15K)	230.24	0.03	J K^-1 mol^-1	JANAF
Integrated Heat Capacity (0 to 298.15K)	10.40		kJ mol^-1	JANAF
Heat Capacity (298.15K)	37.59		J K^-1 mol^-1	webbook

Mode Number	Symmetry	Frequency			Intensity			Comment	Description
Mode Number	Symmetry	Fundamental(cm^-1)	Harmonic(cm^-1)	Reference	(km mol^-1)	unc.	Reference	Comment	Description
1	Σ_g	158	159	1979HUB/HER

	Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
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Experimental data for Na2+ (sodium diatomic cation)

Experimental data for Na₂⁺ (sodium diatomic cation)