Responsive Four-Coordinate Iron(II) Nodes in FePd(CN)4

Ryo Ohtani, Hiromu Matsunari, Takafumi Yamamoto, Koji Kimoto, Masaaki Isobe, Kotaro Fujii, Masatomo Yashima, Susumu Fujii, Akihide Kuwabara, Yuh Hijikata, Shin ichiro Noro, Masaaki Ohba, Hiroshi Kageyama, Shinya Hayami

研究成果: Contribution to journalArticle

抄録

Metal node design is crucial for obtaining structurally diverse coordination polymers (CPs) and metal–organic frameworks with desirable properties; however, FeII ions are exclusively six-coordinated. Herein, we present a cyanide-bridged three-dimensional (3D) CP, FePd(CN)4, bearing four-coordinate FeII ions, which is synthesized by thermal treatment of a two-dimensional (2D) six-coordinate FeII CP, Fe(H2O)2Pd(CN)4⋅4 H2O, to remove water molecules. Atomic-resolution transmission electron microscopy and powder X-ray and neutron diffraction measurements revealed that the FePd(CN)4 structure is composed of a two-fold interpenetrated PtS topology network, where the FeII center demonstrates an intermediate geometry between tetrahedral and square-planar coordination. This four-coordinate FeII center with the distorted geometry can act as a thermo-responsive flexible node in the PtS network.

本文言語英語
ページ(範囲)19254-19259
ページ数6
ジャーナルAngewandte Chemie - International Edition
59
43
DOI
出版ステータス出版済み - 10 19 2020

All Science Journal Classification (ASJC) codes

  • Catalysis
  • Chemistry(all)

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