Table 1.
Complex | Mn-N (Å) | Mn-C (Å) | E-Mn-N (°)a | EPR | E (V) |
---|---|---|---|---|---|
PhB(MesIm)3Mn≡N (2) | 1.523(2) | 1.938(2) | 174.7 | g1 = 2.35 | -0.82 Vb |
1.956(2) | g2 = 1.973 | -2.30 V | |||
2.006(2) | g3 = 1.965 | ||||
(TIMENxyl)Mn≡N+ | 1.524(3) | 1.932(6) | 179.4 | g1 = 2.22 | -1.1 V |
1.990(5) | g2 = 1.98 | -2.4 V | |||
2.103(5) | g3 = 1.97 |
E = B for 2, E = N for (TIMENxyl)Mn≡N+.
Oxidation of 2 is irreversible.