CCCBDB listing of experimental data page 2

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Property	Value	Uncertainty	units	Reference
Hfg(298.15K)	-296.81	0.20	kJ mol^-1	CODATA
Hfg(0K)	-294.30	0.20	kJ mol^-1	CODATA
Entropy (298.15K)	248.22	0.05	J K^-1 mol^-1	CODATA
Integrated Heat Capacity (0 to 298.15K)	10.55	0.01	kJ mol^-1	CODATA
Heat Capacity (298.15K)	39.84		J K^-1 mol^-1	Gurvich

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	A₁	1151	1168	1982vibint	25.0		1982vibint		SO₂ s-str
2	A₁	518	526	1982vibint	25.2		1982vibint		bend
3	B₂	1362	1381	1982vibint	189.0		1982vibint		SO₂ a-str

	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 SO2+ (Sulfur dioxide cation)

Experimental data for SO₂⁺ (Sulfur dioxide cation)