Diffusion of CO₂ in Magnesite under High Pressure and High Temperature from Molecular Dynamics Simulations

Table 1

Activation energies and preexponential factors for CO₂ diffusion, calculated by linear regression of vs. (K) under 900-2500 K and 3-50 GPa.

Pressure (GPa)	(10^-12 m^2/s)	(kJ/mol)
3	4.929	25.2
6	4.919	29.6
9	4.911	33.9
12	4.900	37.8
15	4.893	42.1
20	4.883	48.0
25	4.873	53.0
30	4.862	57.4
35	4.835	60.4
40	4.777	61.3
45	4.657	61.5
50	4.501	60.7