Reactivity and kinetics of 1,3-butadiene under ultraviolet irradiation at 254 nm

BMC Chemistry

Table 3 Kinetic parameters for the photoreaction of 1,3-butadiene

I/(μW cm⁻²)	k₂ × 10^–2/h⁻¹						E_a/(kJ mol⁻¹)	R²
I/(μW cm⁻²)	298 K	303 K	308 K	313 K	318 K	323 K	E_a/(kJ mol⁻¹)	R²
25	0.1635	0.2187	0.2973	0.4333	0.5333	0.5962	43.65	0.9821
50	0.2605	0.3112	0.3958	0.5642	0.6391	0.7764	36.49	0.9865
100	0.3879	0.4088	0.5113	0.6420	0.8020	1.004	31.96	0.9744
200	0.5395	0.6232	0.8182	0.9311	1.064	1.273	27.59	0.9901
300	0.7516	0.9006	1.038	1.146	1.501	1.638	25.26	0.9836
400	1.009	1.077	1.302	1.450	1.739	2.056	21.57	0.9863
500	1.501	1.721	1.974	2.260	2.477	2.804	19.92	0.9815

ISSN: 2661-801X