Redox potentials (±20 mV) for the reduction for complexes 1–8 in MeCN at 100 mV s⁻¹ scan rate.

Complex	E 1 (ΔE1p) (mV)	E 2 (ΔE2p) (mV)
[MoO(bdt)(Me2Dt0)] (1)	−1060(90)	−1370(100)
[MoO(tdt)(Me2Dt0)] (2)	−1070(70)	−1380(70)
[MoO(qdt)(Me2Dt0)] (3)	−950(90)	−1290(100)
[MoO(bdtCl2)(Me2Dt0)] (4)	−1000(90)	−1350(90)
[MoO(bdt)(iPr2Dt0)] (5)	−1060(100)	−1460(110)
[MoO(tdt)(iPr2Dt0)] (6)	−1090(120)	−1480(170)
[MoO(qdt)(iPr2Dt0)] (7)	−940(60)	−1400(120)
[MoO(bdtCl2)(iPr2Dt0)] (8)	−1000(110)	−1430(130)