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分子性磁性ースピン相関の化学

Research Project

Project/Area Number 02353004
Research Category

Grant-in-Aid for Co-operative Research (B)

Allocation TypeSingle-year Grants
Research Field 構造化学
Research InstitutionOsaka City University

Principal Investigator

伊藤 公一  大阪市立大学, 理学部, 教授 (70029403)

Co-Investigator(Kenkyū-buntansha) 加藤 肇  神戸大学, 理学部, 教授 (60030780)
林 久治  理化学研究所, 主任研究員 (50087508)
山口 兆  北海道大学, 理学部, 教授 (80029537)
杉本 豊成  京都大学, 工学部, 助教授 (30093256)
木下 實  東京大学物性研究所, 教授 (40011530)
Project Period (FY) 1990
Project Status Completed (Fiscal Year 1990)
Budget Amount *help
¥1,900,000 (Direct Cost: ¥1,900,000)
Fiscal Year 1990: ¥1,900,000 (Direct Cost: ¥1,900,000)
Keywords分子磁性 / 高スピン分子 / 強磁性高分子 / ラジカル対 / 化学反応の磁場効果 / スピンダイナミックス / スピン分極 / 磁性理論
Research Abstract

1.重点領域研究申請に到る経緯:本研究では5つの班をつくり,各班の内外で調整を図りつつ,企画調査を行った。まず各班の代表者会議を東京大学物性研究所において2回行い,基本方針を決定した。ついで標題の研究会(講演数25,参加者27名うち班員17名)と全体会議を11月9ー10日に芦屋で開催して全体の意見交換を行ったのちに,大阪市立大学で最後の代表者会議を開き,申請の細目を決定した。
2.重点領域研究の内容:題を「分子磁性」とし,次の5つの研究項目毎の実施班と,全体を評価・統括する総括班をおいた(括弧内は代表)。
A.分子磁性発現とその機構(木下實),B.新しい分子磁性系の設計と構築(杉本豊成),C.分子磁性の理論(山口兆),D.分子磁性による反応制御(林久治),E.分子磁性の動的挙動(加藤肇),総括班(伊藤公一)。計画研究参加者は25名,研究期間は3年とした。
3.研究の実施概要:申請と並行して,各班においてそれぞれ調査研究を行った。Aでは,磁性発現機構からみて分子磁性体を高スピン分子と強磁性高分子,中性ラジカル結晶,分子性錯体の3つに大別し,それぞれの機構を調べて研究の方針を確立した。Bでは,新しい分子磁性体を探索し,従来から知られている糸に加えて,有機分子のπ電子と無機遷移金属のd電子によるπーd系錯体の構築についても検討した。Cでは,従来未開拓の分野である、分子磁性体における低元性の問題とゆらぎの問題,スピンダイナミックスと高精度断熱ポテンシャルによる反応制御の理論について研究し,他の4班との有機的協力関係の可能性について検討した。Dでは,溶液反応における磁場効果のラジカル対機構とその応用研究およびまだ未開拓な気相反応における磁場効果を検討した。最後にEでは,励起状態におけるスピンダイナミックスと磁場効果,化学反応誘起スピン分極の機構について検討した。

Report

(1 results)
  • 1990 Annual Research Report

Research Products

(45 results)

All Other

All Publications (45 results)

  • [Publications] I.Fujita,K.Itoh: "Design,preparation,and electron spin resonace detection of a groundーstate undecet (S=5) hydrocarbon" J.Am.Cheme.Soc.112. 4074-4075 (1990)

    • Related Report
      1990 Annual Research Report
  • [Publications] M.Okamoto,K.Itoh: "Spin desity destribution of an organic highーspin molecule,biphenylー3,3'ーbis(phenylmethylene),as studied by ^1HーENDOR AND A UHF Hubbard calculation" Chem.Phys.Letters. 173. 265-270 (1990)

    • Related Report
      1990 Annual Research Report
  • [Publications] M.Matsushita,K.Itoh: "Novel organic ions of highーspin states;ESR detection of the radical anion of mーphenylenebis(phenylmethylene)" J.Am.Chem.Soc.112. 4700-4703 (1990)

    • Related Report
      1990 Annual Research Report
  • [Publications] K.Itoh: "Role of topology in spin alignment of organic materials" Adv.Org.Solid State Materials. 173. 51-62 (1990)

    • Related Report
      1990 Annual Research Report
  • [Publications] T.Takui,K.Itoh: "Role of highーspin molecules as models for organic ferroーand ferriーmagnets,and piーtoporegulated magnetic polymers" Adv.Org.Solid State Materials. 173. 63-69 (1990)

    • Related Report
      1990 Annual Research Report
  • [Publications] T.Nakamura,M.Kinoshita: "Novel structural and electronic properties of (MDTーTTF)_2(CN)_2" Solid State Comm.75. 583-586 (1990)

    • Related Report
      1990 Annual Research Report
  • [Publications] M.Yamaguchi,T.Shida: "Vibrationa analysis and calculation of FranckーCondon factors for the vinoxy radical (CH_2CHO) X^γ( ^2A) and B^^〜( ^2A") states" J.Chem.Phys.93. 4211-4222 (1990)

    • Related Report
      1990 Annual Research Report
  • [Publications] T.Momose,T.Shida: "Calculation of hyperfine coupling constant by symmetry adapted cluster expansion configuration interaction theory.II.Anisotropic constants" J.Chem Phys.93. 7284-7292 (1990)

    • Related Report
      1990 Annual Research Report
  • [Publications] T.Shida: "Photochemisty and spectroscopy of organic ions and radicals" Annu.Rev.Phys.Chem.42. 55-81 (1991)

    • Related Report
      1990 Annual Research Report
  • [Publications] S.Miyajima,T.Enoki: "Twoーdimensional metallic hydrogen in the potassiumーhydrogenーgraphite ternary interacalation compound" Phys.Rev.Letters. 64. 319-322 (1990)

    • Related Report
      1990 Annual Research Report
  • [Publications] H.Oya,T.Enoki: "Heat capacity anormaly of Ag ultrafine particles at low temperature" J.Phys.Soc.Jpn.59. 1695-1701 (1990)

    • Related Report
      1990 Annual Research Report
  • [Publications] T.Enoki: "Cーaxis thermao expansion of donor graphite interaction compounds" Synth.Metals. 38. 235-241 (1990)

    • Related Report
      1990 Annual Research Report
  • [Publications] J.K.Jeszka,T.Enoki: "Thermal properies of tetraKIS(alkyltelluro)tetrathiafulvalene(TTeCnーTTF)" Mol.Cryst.Liq.Cryst.196. 167-175 (1990)

    • Related Report
      1990 Annual Research Report
  • [Publications] K.Yamaguchi: "A general spin orbital (GSO) description of antiferromagnetic spin coupling between four ironーsulfur clusters" Chem.Phys.Letters. 168. 56-62 (1990)

    • Related Report
      1990 Annual Research Report
  • [Publications] K.Yamaguchi: "Nーband Hubbard models for copper oxides and isoelectronic systems.New models for organic and organometallic mognetic conductors and superconductors" Intern.J.Quant.Chem.37. 167-196 (1990)

    • Related Report
      1990 Annual Research Report
  • [Publications] M.Nakano,K.Yamaguchi: "CNDO/SーCI calculations of hyperpolarizabilities.III.Regular plyenes,charged plyenes,disubstituted plyenes,polydiacetylene and related species" Mol.Cryst.Liq.Cryst.182A. 1-15 (1990)

    • Related Report
      1990 Annual Research Report
  • [Publications] S.Yamamoto,K.Yamaguchi: "Ab initio Molecular orbital study on electron correlation effects in CuO_6 cluster relating to higーT.superconductivity" Phys.Rev.B42. 266-272 (1990)

    • Related Report
      1990 Annual Research Report
  • [Publications] Y.Nakamura,H.Iwamura: "Synthesis and characterization of 2ーferroceny1ー4,4ー5,5ーtetramethy1ー2ーimidazoliny1ー1ーoxy1 3ーoxide and its CTーcompleses with DDQ" Chemistry Lett.69-72 (1991)

    • Related Report
      1990 Annual Research Report
  • [Publications] T.Ishida,H.Iwamura: "An improved synthesis of ply(mーaniline) and the magnetic properties of its HCI salt" Chemistry Lett.317-318 (1991)

    • Related Report
      1990 Annual Research Report
  • [Publications] X.S.Cheng,K.Kamachi: "Magnetic peoperties of polumers containing tetraphenylporphinatoーsilver(II) as their side chains" Polymer J.22. 39-46 (1990)

    • Related Report
      1990 Annual Research Report
  • [Publications] H.Aota,K.Kamachi: "New polymers containing pendant metalloporphrins.Radical polymerization of 2ーacryloxymethyleneー5,10,15,20ーtetraphenylporphinatomentals" Chemistry Lett.823-826 (1990)

    • Related Report
      1990 Annual Research Report
  • [Publications] S.Saiakan,K.Kamachi: "Olymer dependence of boson peak frequency studied by hole burning and raman spectroscopies" Chem.Phys.Lett.166. 358-362 (1990)

    • Related Report
      1990 Annual Research Report
  • [Publications] T.Sugimoto: "Synthesis and electrical conductivity of new tellurium polymers containing thiocarbonyl group" Chemistry Lett.2111-2114 (1990)

    • Related Report
      1990 Annual Research Report
  • [Publications] T.Sugimoto: "Tris(ethylenedithio)ーand tris(1,2ーbenzodithio)ーstbstituted trimethylenemethanes" Chemistry Lett.29-32 (1991)

    • Related Report
      1990 Annual Research Report
  • [Publications] M.Wakasa,H.Hayashi: "Magnetic field effects on the dynamic behavior of a radical pair involving a germyl radical" Chem.Phys.Letters. 176. 541-545 (1991)

    • Related Report
      1990 Annual Research Report
  • [Publications] H.Hayashi: "Magnetic field effects on dynamic behavior excited molecules" Physica. B164. 217-221 (1990)

    • Related Report
      1990 Annual Research Report
  • [Publications] K.Tominaga,N.Hirota: "A chemically induced dynamic electron polarization study on the acetone ketyl radical pair in an alcohol solution" J.Chem.Phys.92. 5175-5185 (1990)

    • Related Report
      1990 Annual Research Report
  • [Publications] K.Tominaga,N.Hirota: "Timeーresolved electron paramagntic resonance studies on the lowest excited triplet states of aliphatic carbonyl compounds" J.Phys.Chem.94. 4425-4431 (1990)

    • Related Report
      1990 Annual Research Report
  • [Publications] N.Hoshi,N.Hirota: "Temperture,pressure and deuterium effects on the phosphorescence decayーrate constant of naphthalene in a single crystal of durene" Chem.Phys.Letters. 169. 326-330 (1990)

    • Related Report
      1990 Annual Research Report
  • [Publications] N.Hoshi,N.Hirota: "Photoinduced hydrogen abstraction reactions of azanaphthalenes in single crystals of durene proceeding via tunneling" J.Phys.Chem.94. 7523-7529 (1990)

    • Related Report
      1990 Annual Research Report
  • [Publications] Y.Tanimoto: "Effects of trivlalent lanthanide complexes on the lifetimes of methyleneーchainーlinked biradicals in magnetic fields" Chem.Phys.Letters. 165. 184-188 (1990)

    • Related Report
      1990 Annual Research Report
  • [Publications] Y.Tanimoto: "Magnetic field effects on the dynamics of biradicals generated from benzophenone and dephenylamine bifunctional chain molecules" Bull.Chem.Soc.Jpn.63. 1342-1348 (1990)

    • Related Report
      1990 Annual Research Report
  • [Publications] Y.Tanimoto: "Magnetic field effects on the intermolecular photoreaction of nーalkyl anthraquinoneー2ーcarboxylates" Bull.Chem.Soc.Jpn.63. 2164-2168 (1990)

    • Related Report
      1990 Annual Research Report
  • [Publications] K.Maeda,Y.Tanimoto: "CIDNP and CIDEP studies on intramolecular hydrogen abstraction reaction of polymethylenーlinked xanthone and xanthene.Determination of the exchange integral of the intermediate biradicals" J.Phys.Chem.95. 197-204 (1991)

    • Related Report
      1990 Annual Research Report
  • [Publications] M.Okazaki,R.Nakagaki: "The excimer formation of pyrene as a probe to investigate the recombination process of geminata pair:ODESR and fluorescence study on the dilute pyrene solution in squalene" Chem.Phys.Letters. 166. 227-232 (1990)

    • Related Report
      1990 Annual Research Report
  • [Publications] R.Nakagaki: "Magnetic field effects upon photordox reactions of bifuctional chain molecules containing and nitroaromatic chromophores" Chem.Phys.Letters. 167. 439-444 (1990)

    • Related Report
      1990 Annual Research Report
  • [Publications] H.Kato: "Dopplerーfree high resolution laser spectroscopy of the Cs_2 D^1Σ^+u statte and the predissociation" J.Chem.Phys.94. 2600-2607 (1990)

    • Related Report
      1990 Annual Research Report
  • [Publications] M.Baba,H.Kato: "Predissociation of the Cs_2 C^1Π_u state" J.Chem Phys.93. 4637-4641 (1990)

    • Related Report
      1990 Annual Research Report
  • [Publications] H.Kato: "High resolution laser spetroscopy of the B^1Πー^1Σ^+ transition of ^<23>Na ^<39>K and the perturbation between the B^1Π and C^3Σ^+ states" J.Chem.Phys.93. 2228-2237 (1990)

    • Related Report
      1990 Annual Research Report
  • [Publications] Q.Meng,T.Axumi: "Study of the linewidth of the CIDNPーdetected ESR spectrum" Chem.Phys.Letters. 175. 364-370 (1991)

    • Related Report
      1990 Annual Research Report
  • [Publications] S.Yamamoto,T.Axumi: "Zeroーfield splittings of phenathroline localzed ^3π^π* emitting levels in mixedーligand zinc(II)" Chem.Phys.Letters. 174. 176-178 (1991)

    • Related Report
      1990 Annual Research Report
  • [Publications] S.Itoh,T.Azumi: "The exchange interaction in the radical pair in 2ーpropanol solution as studied by the CIDNP multiplet pattern" Chem.Phys.Letters. 170. 565-569 (1990)

    • Related Report
      1990 Annual Research Report
  • [Publications] N.Okabe,T.Azumi: "Spinーsublevel properties of the π,π^* triplet state of 2,2'ーbipyriーdine,Is outーofーplane component most emissive?" Chem.Phys.Letters. 165. 24-27 (1990)

    • Related Report
      1990 Annual Research Report
  • [Publications] T.Matsmoto,K.Kuwata: "EPR spectroscopy of molecular oxygen in supersonic nozzle beam" Chem.Phys.Letters. 171. 314-318 (1990)

    • Related Report
      1990 Annual Research Report
  • [Publications] Y.Xu,K.Kuwata: "ESR microscopic imaging on the spatial distribution of paramagnetic reactive centers on catalysts" Chemistry.Lett.293-296 (1991)

    • Related Report
      1990 Annual Research Report

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Published: 1990-03-31   Modified: 2016-04-21  

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