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Keywords:

  • Cluster compounds;
  • Silver;
  • Tungsten;
  • Molybdenum;
  • Sulfur;
  • Selenium;
  • Structure elucidation;
  • Nonlinear optics;
  • Density functional calculations

Abstract

This article provides a concise summary of recent research progress, including synthetic strategies, structural diversity, theoretical studies, and third-order nonlinear optical (NLO) properties, on Mo(W)/S(Se)/Ag heterobimetallic clusters. It offers a preliminary analysis of their metal-cation-directed synthesis, structures, and the subtle interplay of structural–functional relationships. Furthermore, DFT was used to provide an insight into the electronic transitions and spectral characterization of these clusters. Recent trends and perspectives of these clusters as NLO materials are also described.