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Hiroto Tachikawa

Researcher at Hokkaido University

Publications -  327
Citations -  4172

Hiroto Tachikawa is an academic researcher from Hokkaido University. The author has contributed to research in topics: Ab initio & Density functional theory. The author has an hindex of 31, co-authored 314 publications receiving 3900 citations. Previous affiliations of Hiroto Tachikawa include Ministry of Education, Culture, Sports, Science and Technology & Beijing Normal University.

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Diffusion dynamics of the li atom on amorphous carbon: A direct molecular orbital-molecular dynamics study.

TL;DR: Direct molecular orbital-molecular dynamics (MO-MD) calculation was applied to diffusion processes of the Li atom on a model surface of amorphous carbon and compared with the diffusion mechanism of Li+ ion, which shows that theLi atom vibrates around the initial position below 250 K, and it moves above 300 K.
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Ionization Dynamics of the Small-Sized Water Clusters: A Direct Ab Initio Trajectory Study†

TL;DR: In this paper, the ionization dynamics of the water clusters (H 2 O) n (n = 3-6) have been investigated by means of the full-dimensional direct ab initio trajectory method.
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Diffusion dynamics of the Li+ ion on a model surface of amorphous carbon: a direct molecular orbital dynamics study.

TL;DR: The Diffusion processes of the Li+ ion on a model surface of amorphous carbon (Li+C96H24 system) have been investigated by means of the direct molecular orbital (MO) dynamics method at the semiempirical AM1 level and the diffusion pathway was discussed on the basis of theoretical results.
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γ-Selective Cross-Coupling Reactions of Potassium Allyltrifluoroborates with Haloarenes Catalyzed by a Pd(0)/D-t-BPF or Pd(0)/Josiphos ((R,S)-CyPF-t-Bu) Complex: Mechanistic Studies on Transmetalation and Enantioselection

TL;DR: Mechanistic study of transmetalation revealed a heretofore unknown process, namely, formation of a highly electrophilic [Pd(Ar)(D-t-BPF)]+ before trans metalation with 2a, and theoretical study by density functional theory (DFT) calculation showed that transMetalation between [Ar−Pd]+ and 2a via an SE2′ (open) transition state is a slightly lower energy process than an SE1′ (closed) process
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A Direct Molecular Orbital−Molecular Dynamics Study on the Diffusion of the Li Ion on a Fluorinated Graphene Surface

TL;DR: In this paper, a direct molecular orbital−molecular dynamics (MO-MD) method has been applied to diffusion processes of the Li+ ion on a fluorinated graphene surface, and the total energy and energy gradient on the full dimensional potential energy surface were calculated at each time step in the trajectory calculation.