Anion mediated structural motifs in silver(i) complexes with corannulene

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Abstract
The synthesis of three new silver(I) complexes with corannulene is reported. In the crystal these complexes form extended networks of Ag+ ions, corannulene nuclei, and counterions, similar to the networks reported for Ag+ with other polynuclear aromatic hydrocarbons (PAHs). The preferred Ag+–arene interaction is compared with the model developed by Kochi. The crystal motifs can be described by a classification scheme analogous to that developed by Etter for hydrogen-bonded networks in solids. The effect of counterion variation (ClO4 −, O3SCF3 −, BF4 −) is noted to be substantial. Thus, although one can categorize the various networks, it is hard to predict an expected packing pattern on the basis of preferred binding in the metal/organic complex alone.