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Cover Picture: “Half‐Bonds” in an Unusual Coordinated S42− Rectangle (Chem. Asian J. 2/2009)
Authors:Anne Poduska  Roald Hoffmann  Andrea Ienco  Carlo Mealli
Abstract:This stone lantern is known as the “Koto‐ji”, or “harp‐tuner”, as it resembles the tuning bridge of the Japanese koto. The six windows of the lantern are said to symbolize the six essential attributes of a perfect garden, such as the one it overlooks: spaciousness, seclusion, artifice, antiquity, abundant water, and broad views. R. Hoffmann et al. report on two synthesized compounds containing the unusual S42? rectangles bound to either Ir or Rh fragments, illuminated by the two lamp windows. Like the Koto‐ji lantern, this paper, which suggests the presence of S? S half‐bonds, sheds some light in the garden of beautiful compounds. For more information, see their Full Paper on page 302 ff .
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Keywords:half‐bonds  Jahn–  Teller distortion  quantum chemistry  sulfur bonding  transition metal
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