CCCBDB listing of experimental data page 2

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Property	Value	Uncertainty	units	Reference
Hfg(298.15K)	0.00	0.00	kJ mol^-1	CODATA
Hfg(0K)	0.00	0.00	kJ mol^-1	CODATA
Entropy (298.15K)	205.15	0.00	J K^-1 mol^-1	CODATA
Integrated Heat Capacity (0 to 298.15K)	8.68	0.00	kJ mol^-1	CODATA
Heat Capacity (298.15K)	29.38		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	Σ_g	1556	1580	1979HUB/HER

Description	Value	unc.	Connectivity				Reference	Comment
Description	Value	unc.	Atom 1	Atom 2	Atom 3	Atom 4	Reference	Comment
rOO	1.208		1	2			1979HUB/HER	re

Atom	x (Å)	y (Å)	z (Å)
O1	0.0000	0.0000	0.0000
O2	0.0000	0.0000	1.2075

	O1	O2
O1		1.2075
O2	1.2075

	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 O2 (Oxygen diatomic)

Experimental data for O₂ (Oxygen diatomic)