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Keywords:

  • Organic-inorganic hybrid;
  • Iodoargentate;
  • Benzyl viologen;
  • DFT calculation

Abstract

A new low-dimensional benzyl viologen/iodoargentate hybrid, [(BV)2(Ag5I9)]n (1) (BV2+ = benzyl viologen) was prepared. In 1, (Ag6I9)n2– chain exhibits a new type of one-dimensional chain constructed from vertex-sharing of Ag5I10 units, and its two-dimensional layer structure was constructed from C–H···I hydrogen bonds. Strong luminescence at 404 nm can be detected in 1. DFT calculation suggests that 1 displays a reduced bandgap, which is led by a more dispersed LUMO band of BV2+ compared with MV2+ in [MV(Ag2I4)]n.