Abstract
Abstract A unique gold(I)–copper(II) 1D polymeric system, [Cu{Au2(LCn)(pen)2}] (LCn = Ph2P(CH2)nPPh2 (n = 3, 4, and 5); H2pen: penicillamine), which involves three types of helices (single-stranded homochiral helix, single-stranded meso helix, and triple-stranded homochiral helix), is reported. This system was created from linear digold(I) metalloligands, which possess a bis(diphenylphosphino)alkane linker LCn and two-terminal pen coordination arms [Au2(LCn)(pen)2]2−. In this system, the parity (odd vs. even) of the alkyl chain of LCn and the chirality of pen (d vs. l) govern the topology and handedness of the helices, respectively.
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