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. Author manuscript; available in PMC: 2017 Aug 16.
Published in final edited form as: Polyhedron. 2016 Aug 16;114:118–127. doi: 10.1016/j.poly.2015.11.014

Table 5.

Redox potentials (vs SHE) with peak separations for complexes of 3, 4, Me2BCyclen, SB-PyCyclen, and PyMeEBC.

Complex Redox Process Potential (V) Peak Separation (mV) Ref
Ni(Me2Bcyclen)Cl2 Ni2+ → Ni+ Ered = −2.036 --- [42]
Ni2+ / Ni3+ E1/2 = +0.863 68
???? Eox = +1.450 ---
Ni(3)2+ Ni2+ → Ni+ Ered = −1.287 ---
Ni2+ → Ni3+ Eox = +1.375 ---
Ni(4)Cl+ Ni2+ / Ni3+ E1/2 = +1.034 76
???? E1/2 = +1.313 87
Ni(PyMeEBC)Cl+ Ni2+ → Ni+ Ered = −1.026 --- [12]
Ni2+ → Ni3+ Eox = +1.290 ---
Co(Me2BCyclen)Cl2 Co2+ → Co+ Ered = −2.202 --- [47]
Co2+ / Co3+ E1/2 = −0.157 288
???? Eox = +0.983 ---
Co(3)Cl+ Co2+ → Co+ Ered = −1.884 ---
Co2+ → Co3+ Eox = +1.121 ---
???? Eox = +1.411 ---
Co(4)Cl2+ Co3+ → Co2+ E1/2 = −0.127 107
Co(PyMeEBC)Cl+ Co2+ / Co+ E1/2 = −1.386 143 [12]
Co2+ / Co3+ E1/2 = +0.657 154
Cu(Me2BCyclen)2+ Cu2+ → Cu+ Ered = −0.651 --- [31]
Cu(3)2+ Cu2+ → Cu+ Ered = −0.406 ---
Cu2+ → Cu3+ Eox ~ +1.75 ---
Cu(4)2+ Cu2+ / Cu+ E1/2 = −0.341 86
Cu2+ → Cu3+ Eox ~ +1.86 ---
Cu(SB-PyCyclam)2+ Cu2+ / Cu+ E1/2 = −0.586 77 [10]
Cu(PyMeEBC)2+ Cu2+ / Cu+ E1/2 = −0.402 80 [12]