Abstract
The first examples of crystals that contain C60 with anti-formed metal complexes of octaethylporphyrin (OEP) have been obtained. In the structures of PdII(OEP)·C60·1.5C6H6 and CuII(OEP)·C60·2C6H6, four ethyl groups of the metal octaethylporphyrin portions lie on one side and the other four on the opposite side of the porphyrin plane toward the C60. The fullerene is peculiarly positioned in its closest approach to the metal atom, involving the 5∶6 ring junctions. There is the possibility of a strong interaction between the metal octaethylporphyrin and C60. On the other hand, syn-formed metal octaethylporphyrins are observed in the cases of RuII(CO)(OEP)·C60·2C6H5CH3 and 2ZnII(OEP)· C60·2C6H6, suggesting that there is a face-to-face interaction between two adjacent octaethylporphyrins. The intermolecular interactions of the anti- and syn-formed metal octaethylporphyrins in the cocrystallites containing C60 are also described.
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