Synthesis and properties of selenium containing dmit-type complexes

Kazuo Takimiya, Kiwamu Yamane, Yoshio Aso, Tetsuo Otsubo

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5 Citations (Scopus)


Four selenium containing dmit-type ligands (dmit = 1,3-dithiole-2-thione-4, 5-dithiolate) possessing 1,3-diselenole substructure, namely dmist (1,3-diselenole-2-thione-4,5-dithiolal:e), dsist (1.3-disclenole-2-thionc-4,5- disclcnolatc), dmis (1,3-disclcnolc-2-selone-4,5-dithiolate), and dsis (1,3-diselenole-2-selone-4,5-disclcnolatc), and their nickel complexes were synthesized and characterized. The synthesis of the ligands involved lithiation reaction of 1,3-diselenole-2-selone as a key step followed by introduction of additional chalcogen atoms. The molecular structures of (n-Bu 4N)[Ni(dmist)2], (n-Bu4N)[Ni(dsist) 2], and (n-Bu4N)[Ni(dsis)2] were investigated by means of X-ray analyses, and a systematic enlargement of the anion size with the number of the introduced selenium atoms was revealed.

Original languageEnglish
Pages (from-to)65-70
Number of pages6
JournalMolecular Crystals and Liquid Crystals
Publication statusPublished - 2002


  • Metal complex
  • New ligands
  • Selenium atom
  • X-ray crystallographic analysis


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