CCCBDB listing of experimental data page 2

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Property	Value	Uncertainty	units	Reference
Hfg(298.15K)	30.91	0.11	kJ mol^-1	CODATA
Hfg(0K)	45.71	0.11	kJ mol^-1	CODATA
Entropy (298.15K)	245.47	0.00	J K^-1 mol^-1	CODATA
Integrated Heat Capacity (0 to 298.15K)	9.73	0.00	kJ mol^-1	CODATA
Heat Capacity (298.15K)	36.05		J K^-1 mol^-1	JANAF

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	323	325	webbook				omega e

Description	Value	unc.	Connectivity				Reference	Comment
Description	Value	unc.	Atom 1	Atom 2	Atom 3	Atom 4	Reference	Comment
rBrBr	2.281		1	2			webbook	re

Atom	x (Å)	y (Å)	z (Å)
Br1	0.0000	0.0000	1.1405
Br2	0.0000	0.0000	-1.1405

	Br1	Br2
Br1		2.2811
Br2	2.2811

	Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
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Energy (cm^-1)	Degeneracy	reference	description
0	1		¹Σ_g
13905	6	webbook
15902.47	6	webbook
24000	2	webbook

Experimental data for Br2 (Bromine diatomic)

Experimental data for Br₂ (Bromine diatomic)