Complex

Cathodic peaks, Volt

Anodic peaks, Volt

Ferrocene*

−0.25

−0.05

[(Pip)4Cu4Cl4(CO3)2]

−0.67

−1.06

[(Pip)8Cu4Cl4(CO3)2]

−0.70

−1.13

[(Pip)4Cu4Br4(CO3)2]

−0.85

−1.16

[(Pip)8Cu4Br4(CO3)2]

−0.81

−1.13