Charge transfer complexes of fullerenes containing C<sub>60</sub>˙<sup>−</sup> and C<sub>70</sub>˙<sup>−</sup> radical anions with paramagnetic Co<sup>II</sup>(dppe)<sub>2</sub>Cl<sup>+</sup> cations (dppe: 1,2-bis(diphenylphosphino)ethane)
Dalton transactions