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Development of a new Monte Carlo method for precise spin state calculations of multinuclear metal complexes

Research Project

Project/Area Number 16K13935
Research Category

Grant-in-Aid for Challenging Exploratory Research

Allocation TypeMulti-year Fund
Research Field Physical chemistry
Research InstitutionHokkaido University

Principal Investigator

Ohtsuka Yuhki  北海道大学, 触媒科学研究所, 博士研究員 (70397587)

Project Period (FY) 2016-04-01 – 2018-03-31
Project Status Completed (Fiscal Year 2017)
Budget Amount *help
¥3,510,000 (Direct Cost: ¥2,700,000、Indirect Cost: ¥810,000)
Fiscal Year 2017: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Fiscal Year 2016: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
Keywords電子状態理論 / モンテカルロ法 / 多核金属錯体 / 高精度電子状態計算 / 化学物理 / 強相関電子系
Outline of Final Research Achievements

We have developed a new Monte Carlo method for precise spin state calculations of multinuclear metal complexes. For these molecules, the spin states can not be calculated without the selection of important configurations because there are a huge number of the configurations which involve 3d orbitals of transition metals. In the calculation of multinuclear metal complexes which contain 2 or 4 irons, the final configurations (Slater determinants) were completely different from those of the initial wave functions, and we obtained some spin states that have not been reported.

Report

(3 results)
  • 2017 Annual Research Report   Final Research Report ( PDF )
  • 2016 Research-status Report

Research Products

(6 results)

All 2018 2017 2016

All Journal Article (1 results) (of which Peer Reviewed: 1 results,  Open Access: 1 results) Presentation (5 results) (of which Int'l Joint Research: 2 results,  Invited: 2 results)

  • [Journal Article] Selected configuration interaction method using sampled first-order corrections to wave functions2017

    • Author(s)
      Ohtsuka Yuhki、Hasegawa Jun-ya
    • Journal Title

      The Journal of Chemical Physics

      Volume: 147 Pages: 034102-034102

    • DOI

      10.1063/1.4993214

    • NAID

      120006488396

    • Related Report
      2017 Annual Research Report
    • Peer Reviewed / Open Access
  • [Presentation] Selected Configuration Interaction method using sampled correction vectors: Theory and Algorithm2018

    • Author(s)
      Yuhki Ohtsuka
    • Organizer
      International Workshop on Massively Parallel Programming for Quantum Chemistry and Physics 2018
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Selected Configuration Interaction Method Using Sampled First-Order Corrections to Wave Functions2018

    • Author(s)
      Yuhki Ohtsuka
    • Organizer
      4th Computational Chemistry Symposium of ICCMSE 2018
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] 1次補正をサンプリングした新しい selected CI 法2017

    • Author(s)
      大塚勇起
    • Organizer
      第20回理論化学討論会
    • Related Report
      2017 Annual Research Report
  • [Presentation] Monte Carlo correction CI法の励起状態と擬縮退電子状態への応用2017

    • Author(s)
      大塚勇起
    • Organizer
      第11回分子科学討論会
    • Related Report
      2017 Annual Research Report
  • [Presentation] 修正ベクトルをサンプリングした新しいモンテカルロCI法2016

    • Author(s)
      大塚勇起
    • Organizer
      第10回分子科学討論会
    • Place of Presentation
      神戸ファッションマート(兵庫県神戸市東灘区)
    • Year and Date
      2016-09-15
    • Related Report
      2016 Research-status Report

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Published: 2016-04-21   Modified: 2019-03-29  

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