摘要 : The reactions of a self-assembled silver(I) coordination polymer, [Ag-2{mu-(PrN)-N-i(PPh2)(2)}(mu-NO3)(2)](n) (1) with various bidentate N-donor ligands such as DABCO, 2,2'-bipyridyl and 1,10-phenanthroline yield 1-D helices or pi... 展开 The reactions of a self-assembled silver(I) coordination polymer, [Ag-2{mu-(PrN)-N-i(PPh2)(2)}(mu-NO3)(2)](n) (1) with various bidentate N-donor ligands such as DABCO, 2,2'-bipyridyl and 1,10-phenanthroline yield 1-D helices or pi-pi stacked polymers, depending on the chelate vector of the N-donor ligand. The molecular structures of the resultant complexes, [Ag-2{mu-(PrN)-N-i(PPh2)(2)}(DABCO)(NO3)(2)](n) (2), [Ag-2{mu-PriN(PPh2)(2)}-(2,2'-bipy)(2)(NO3)(2)] (3) and [Ag-2{mu-(PrN)-N-i(PPh2)(2)}(1,10-phen)(2)](NO3)(2) (4) have been confirmed by single-crystal X-ray diffraction. Complex 2 exists as an infinite helical polymer because of the exo-bidentate nature of DABCO. Complex 3 assumes a 2D grid motif as a result of intermolecular pi-pi stacking among adjacent bipyridine moieties. The phenanthroline complex 4 exhibits strong inter-and intramolecular pi-pi stacking interactions. 收起