• Search Research Projects
  • Search Researchers
  • How to Use
  1. Back to project page

2007 Fiscal Year Annual Research Report

外場応答性配位空間の創成と機能発現

Research Project

Project/Area Number 16074203
Research InstitutionUniversity of Tsukuba

Principal Investigator

大塩 寛紀  University of Tsukuba, 大学院・数理物質科学研究科, 教授 (60176865)

Keywords金属多核錯体 / 配位空間 / 外場応答
Research Abstract

金属錯体は配位結合などの強い結合や分子間の電荷移動相互作用・双極子相互作用・ファンデルワールスカ・水素結合などの弱い相互作用により配位空間を創る。本研究では、多彩な電子状態をとり得る金属イオンの特長に着目し,多様な磁気的・電気化学的性質を示す外場応答性配位空間を構築した。
(1)シアン化物イオン架橋鉄(II,III)8核錯体の電気化学特性
シアン化物イオン架橋多核錯体合成法を確立し,プルシアンブルーの最小構成単位であるシアン化物イオン架橋鉄八核コア([Fe^<II>_4Fe^<III>_4])構造をもつ錯体([Fe^<III>_4Fe^<II>_4(CN)_<12>(tp)_<12>](1)tp^-=tris(pyrazolylborohydride)を合成した(図1).錯体1は、4個のFe(II)イオンと4個のFe(III)イオンを12個のシアン化物イオンが架橋することでキューブ状コア構造を形成し、可逆な四段階-電子酸化還元過程を示すクラスII混合原子価錯体である。さらに,錯体1を正極活物質とするリチウムイオンニ次電池を作製し,金属多核錯体の充放電特性について検討し本錯体が活物質として有効であることを明らかにした
(2)シアン化物イオン架橋鉄(III)-コバルト(II)4核錯体における電子移動
シアン化物イオン架橋鉄4核コア構造をもつ錯体([Fe^<III>_2Co^<II>_2(CN)_<12>(tp*)_<12>(bpy*)] (PF_6)_2(2)(tp^*=tris(2,4-di-methyl-pyrazolylborohydride,bpy*=3,3'-di-t-butyl-bipyridine)を合成した。この錯体は準可逆な四段階一電子酸化還元過程を示す混合原子価錯体であり,FeとCoイオン間の電子移動とそれに伴うCoイオンのスピン転位が2段階で起ることを示した。

  • Research Products

    (19 results)

All 2008 2007

All Journal Article (10 results) (of which Peer Reviewed: 10 results) Presentation (9 results)

  • [Journal Article] Rational Synthesis of Multi-nuclea rHigh-spin complexes2007

    • Author(s)
      H. Oshio, M. Nihei
    • Journal Title

      Bull. Chem. Soc. Jpn. 80

      Pages: 608-620

    • Peer Reviewed
  • [Journal Article] Synthesis, structure and magnetic property of an iron(II) comples with nitronyl nitroxide2007

    • Author(s)
      M. Nihei, T. Maeshima, Y. Kose, H. Oshio
    • Journal Title

      Polyhedron 26

      Pages: 1993-1996

    • Peer Reviewed
  • [Journal Article] Hetero-metal Mn-Cu and Mn-Ni Clustmrs with Tridentate Schiff-base Li gands2007

    • Author(s)
      M. Nihei, A. Yoshida, S. Koizumi. H. Oshio
    • Journal Title

      Polyhedron 26

      Pages: 1997-2007

    • Peer Reviewed
  • [Journal Article] Syntheses, Structures and Magnetic Properties of Mixed-valence Pentanuclear [M_n^<II>M_n^<III>] and Hexanuclear [C_o^<II>C_o^<III>_2] Complexes Derived from 3-formylsalicylic acid2007

    • Author(s)
      T. Shiga, H. Oshio
    • Journal Title

      Polyhedron 26

      Pages: 1881-1884

    • Peer Reviewed
  • [Journal Article] Mn(III/TV) andMn(III) Oxide Clusters Trapped by Copper(II) Complexes2007

    • Author(s)
      S. Yamashita, T. Shiga, M. Kurashina, M. Nihei, H, Nojiri, H. Sawa, T. Kakiuchi, H. Oshio
    • Journal Title

      Inorg. Chem. 46

      Pages: 3810-3812

    • Peer Reviewed
  • [Journal Article] Magnetic Bistability and Single-Crystal-to-Single-Crystal Transformation Induced by Gucst Induced by Guest Desorption2007

    • Author(s)
      M. Nihei, H. Oshio
    • Journal Title

      J. Am. Chem. Soc. 129

      Pages: 1997-2007

    • Peer Reviewed
  • [Journal Article] A WheeL Single melecule Magnet of [M_n^<II>M_N^<III>_4: Quantum Tunnering of Magnetization under Static and Puise Magnetic Field2007

    • Author(s)
      S. Koizui, M. Nihei, T. Shtga, M. Nakano, H. Nojiri, R. Bircher, O. Waldmann, H.U.Gtide, H.Oshio
    • Journal Title

      Chem. Eur. J 13

      Pages: 8445-8453

    • Peer Reviewed
  • [Journal Article] Alkcox-'bridged Cobalt(II) Cube and Its Radical Adduct2007

    • Author(s)
      K. Mitsuoto, S. Koizumi, T. Shiga, H. Nishikawa, Y. Chi, H. Oshio
    • Journal Title

      Chem. Lett. 9

      Pages: 1154-1155

    • Peer Reviewed
  • [Journal Article] Spin Crossover Iron(III) CompLexes2007

    • Author(s)
      M. Nihei, T. Shiga, Y. Maeda, H. Oshio
    • Journal Title

      Coord. Chem. Rev. 251

      Pages: 2606-2621

    • Peer Reviewed
  • [Journal Article] Three-dimensional Ferromagnetic Frameworks of Syn-Anti-type Carboxylate-bridged Ni^<II> and Co^<II> Coordination Polymers2007

    • Author(s)
      K. Yoneda, M. Ohba, T. Stuga, H. Oshio, S. Kitagawa
    • Journal Title

      Chem. Lett. 9

      Pages: 1184-1185

    • Peer Reviewed
  • [Presentation] Quantum Tunneling dynamics of Spin Reorientation in a Wheel Single Molecule Magnets.2008

    • Author(s)
      H., Oshio
    • Organizer
      10th Eurasia Conference on Chemical Sciences
    • Place of Presentation
      Manila,Philippin
    • Year and Date
      20080100
  • [Presentation] Bistability of Spin crossover Iron(II)Complexes2008

    • Author(s)
      H., Oshio
    • Organizer
      International Workshop:Phase Transition and Dynamics of Spin Transition Materials
    • Place of Presentation
      Bordeaux,France
    • Year and Date
      20080100
  • [Presentation] Single Molecule Magnets and their Quantum Tunneling Dynamics of Spin Reorientaion2008

    • Author(s)
      H., Oshio
    • Organizer
      India-Japan Joint Cooperative Science, Recent Trends in Molecular Material Research
    • Place of Presentation
      Kovalam,India
    • Year and Date
      20080100
  • [Presentation] Chiral Ferromagnetic Nano Cage2007

    • Author(s)
      T., Shiga, H., Oshio
    • Organizer
      1st Asian Conference on Coordination Chemistry
    • Place of Presentation
      Okazaki,Japan
    • Year and Date
      20070729-0802
  • [Presentation] Colinear and Orthogonal Alignments of Single Molecule Magnets into Chain2007

    • Author(s)
      M., Takeo, T., Shiga, M., Nihei, H., Oshio
    • Organizer
      1nd Asian Conference on Coordination Chemistry
    • Place of Presentation
      Okazaki,Japan
    • Year and Date
      20070729-0802
  • [Presentation] Towards Novel Spin Tubes and Related Compounds.2007

    • Author(s)
      H., Oshio
    • Organizer
      Workshop on quantum spin tube-recent progress and future prospects IFACM
    • Place of Presentation
      Sendai,Japan
    • Year and Date
      20070724-25
  • [Presentation] Quantum Tunneling Dynamics of Spin Reorientation in Single Molecule Magnet.2007

    • Author(s)
      H., Oshio
    • Organizer
      Janpan-USA joint symposium on Chemistry of Coordination Space
    • Place of Presentation
      Chicage,USA
    • Year and Date
      20070624-26
  • [Presentation] Quantum Tunneling Dynamics of Spin Reorientation in Single Molecule Magnet.2007

    • Author(s)
      H., Oshio
    • Organizer
      4th FIMS Symposium
    • Place of Presentation
      Epochal Tsukuba International Congress Center,Tsukuba,Japan
    • Year and Date
      20070312-13
  • [Presentation] アジアにおける錯体化学会の取組2007

    • Author(s)
      大塩寛紀
    • Organizer
      日本学術会議化学研究会・分子研研究会・日本化学会「化学の存在感とあるべき姿」.
    • Place of Presentation
      分子科学研究所
    • Year and Date
      2007-05-09

URL: 

Published: 2010-02-04   Modified: 2016-04-21  

Information User Guide FAQ News Terms of Use Attribution of KAKENHI

Powered by NII kakenhi