Table 2. Ethylene Polymerization of C1–C8 at 20 °C^a.

entry	catalyst	time (min)	yield (g)	productivity (kg mol–1Ni h)	TOF (103)(h–1)	B/1000Cb	Mnc (kg mol–1)	Đc	Tmd (°C)
1e	C1	10	2.4	2880	102.9	25	11.4	1.93	108.6
2	C3	10	1.7	1020	36.4	30	7.8	1.94	101.0
3	C5	10	1.6	960	34.3	37	11.7	1.97	99.7
4	C7	10	0.8	480	16.8	26	153.7	1.77	101.5
5e	C2	60	1.5	300	10.7	36	6.9	1.92	102.1
6	C4	60	0.9	90	3.2	49	23.8	1.75	112.0
7	C6	60	1.2	120	4.3	45	37.0	1.62	82.9
8	C8	180	0.5	167	0.6	42	71.3	2.06	91.5

^aConditions: 10 μmol of Ni catalyst, 10 equiv of B(C₆F₅)₃, 400 psi ethylene, 45 mL of toluene.

^bDetermined by ¹H NMR in D₂-tetrachloroethane at 125 °C.

^cDetermined by GPC in 1,2,4-trichlorobenzene at 160 °C using polystyrene calibration.

^dDetermined by differential scanning calorimetry.

^e5 μmol of Ni. TOF = Turnover Frequency, M_n = Number-Average Molecular Weight, Đ = Dispersity, T_m = Melting Temperature.