Answers are grounded in this paper and cite their sources.
Treasure complexes: Lutidine-bridged tetraimidazolium salts form macrocyclic mono- and dinuclear silver(I) and gold(I) carbene complexes, whereas the lutidine-bridged hexakis(imidazolin-2-ylidene) ligand reacts with silver(I) to yield complex [1]+, which contains six silver(I) atoms arranged in a hexagon and sandwiched in between two hexacarbene ligands.
No takes yet. Share an insight, caveat, or question.
Hahn et al. (2008) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: