Sublimation Kinetic Studies of the Zr(tmhd)₄ Complex

Table 3

Activation energies obtained using the Redfern-Coats method for several solid state processes at the heating rates of 6, 8, 10, and 12°C/min for Zr(tmhd)₄.

Mechanism	6°C/min		8°C/min		10°C/min		12°C/min
	𝐸𝑎 (kJ/mol)	𝑅	𝐸𝑎 (kJ/mol)	𝑅	𝐸𝑎 (kJ/mol)	𝑅	𝐸𝑎 (kJ/mol)	𝑅
A2	50 (±0.7)	0.9991	50 (±0.9)	0.9989	49 (±2)	0.9963	52 (±2)	0.9957
A3	30 (±0.5)	0.9989	31 (±1)	0.9887	30 (±1)	0.9956	31 (±1)	0.9950
A4	21 (±0.4)	0.9987	21 (±0.4)	0.9986	20 (±0.7)	0.9950	21 (±1)	0.9940
R2	88 (±4)	0.9929	93 (±2)	0.9988	90 (±1)	0.9997	96 (±1)	0.9999
R3	94 (±3)	0.9963	98 (±1)	0.9996	95 (±1)	0.9994	101 (±1)	0.9994
D1	152 (±12)	0.9791	166 (±7)	0.9935	162 (±5)	0.9969	173 (±4)	0.9977
D2	171 (±10)	0.9884	183 (±5)	0.9974	178 (±3)	0.9992	190 (±2)	0.9996
D3	197 (±6)	0.9968	204 (±2)	0.9996	200 (±3)	0.9995	212 (±3)	0.9994
D4	179 (±9)	0.9920	190 (±4)	0.9985	185 (±2)	0.9997	197 (±1)	0.9999
F1	109 (±2)	0.9992	109 (±2)	0.9990	107 (±3)	0.9968	113 (±4)	0.9963
F2	88 (±19)	0.8701	65 (±14)	0.8697	63 (±15)	0.8481	65 (±16)	0.8445