[Ni(en)3][InSbS4]: A One-Dimensional Polymeric Indium Thioantimonate with a Polar Structure

Authors

  • Mei-Ling Feng,

    1. State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, P.R. China, Fax: +86-591-83793727
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  • Pei-Xin Li,

    1. State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, P.R. China, Fax: +86-591-83793727
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  • Ke-Zhao Du,

    1. State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, P.R. China, Fax: +86-591-83793727
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  • Xiao-Ying Huang

    1. State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, P.R. China, Fax: +86-591-83793727
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  • Dedicated to Professor John D. Corbett on the occasion of his 85th birthday

Abstract

A polar indium thioantimonate, namely [Ni(en)3][InSbS4] (1) (en = ethylenediamine), has been synthesized under solvothermal conditions. Its structure features a left-handed helical anionic chain of [InSbS4]n2n moieties built upon trinuclear heterometallic clusters of {In2SbS8} as secondary building units. The [Ni(en)3]2+ cations, acting as structure directors and charge balancing agents, are located among the chains and form extensive N–H···S and C–H···S hydrogen bonds with the S atoms of the anionic chains. The thermal stability, optical and ferroelectric properties, as well as theoretical band structure and density of states (DOS) have been studied.

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