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Coordinated Halide and Pseudo Halide‐Dependent Structures and Photoluminescence of Defective Double Cubane Zinc(II) Clusters
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- Toshiaki Kuramitsu
- Department of Chemistry Graduate School of Science and Technology Kumamoto University, 2-39-1 Kurokami, Chuo-ku Kumamoto 860-8555 Japan
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- Sotaro Kusumoto
- Department of Chemistry Graduate School of Science and Technology Kumamoto University, 2-39-1 Kurokami, Chuo-ku Kumamoto 860-8555 Japan
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- Hitomi Ohmagari
- Department of Chemistry and Biological Science College of Science and Engineering Aoyama Gakuin University Sagamihara 252-5258 Kanagawa Japan
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- Miki Hasegawa
- Department of Chemistry and Biological Science College of Science and Engineering Aoyama Gakuin University Sagamihara 252-5258 Kanagawa Japan
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- Pierre Thuéry
- CEA CNRS NIMBE Université Paris-Saclay 91191 Gif-sur-Yvette France
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- Yang Kim
- Department of Chemistry Graduate School of Science and Technology Kumamoto University, 2-39-1 Kurokami, Chuo-ku Kumamoto 860-8555 Japan
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- Shinya Hayami
- Department of Chemistry Graduate School of Science and Technology Kumamoto University, 2-39-1 Kurokami, Chuo-ku Kumamoto 860-8555 Japan
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- Masaaki Nakamura
- Department of Chemistry Graduate School of Science and Technology Kumamoto University, 2-39-1 Kurokami, Chuo-ku Kumamoto 860-8555 Japan
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Description
<jats:title>Abstract</jats:title><jats:p>Tetranuclear zinc(II) complexes [Zn<jats:sub>4</jats:sub>(<jats:bold>L</jats:bold>)<jats:sub>4</jats:sub>(μ<jats:sub>3</jats:sub>‐OCH<jats:sub>3</jats:sub>)<jats:sub>2</jats:sub>(X)<jats:sub>2</jats:sub>] (<jats:bold>L</jats:bold>=2‐((benzyloxy)carbonyl)‐6‐methoxyphenolate; X=Cl<jats:sup>−</jats:sup> (<jats:bold>1</jats:bold>), Br<jats:sup>−</jats:sup> (<jats:bold>2</jats:bold>), I<jats:sup>−</jats:sup> (<jats:bold>3</jats:bold>), N<jats:sub>3</jats:sub><jats:sup>−</jats:sup> (<jats:bold>4</jats:bold>), or NCS<jats:sup>−</jats:sup> (<jats:bold>5</jats:bold>)), have “defective” double‐cubane cores [Zn<jats:sub>4</jats:sub>O<jats:sub>6</jats:sub>], which are bridged by two μ<jats:sub>3</jats:sub>‐methoxo and four μ<jats:sub>2</jats:sub>‐phenolato oxygen atoms in each discrete complex. In halide complexes <jats:bold>1</jats:bold>, <jats:bold>2</jats:bold> and <jats:bold>3</jats:bold>, two zinc(II) ions are in slightly distorted octahedral coordinations and the other two in geometries close to the severely distorted trigonal bipyramid, respectively, while all four zinc(II) in pseudo halide complexes <jats:bold>4</jats:bold> and <jats:bold>5</jats:bold> show slightly distorted octahedral geometries. The complexes exhibit blue fluorescence (λ<jats:sub>max</jats:sub>=415–428 nm) with high photoluminescence quantum yields (PLQY<jats:sub>S</jats:sub>, <jats:italic>Φ</jats:italic><jats:sub>em</jats:sub>) in the range of 0.22‐0.53 at room temperature in the solid state. Complex <jats:bold>5</jats:bold> has the highest <jats:italic>Φ</jats:italic><jats:sub>em</jats:sub> among the alkoxo‐bridged multinuclear zinc(II) clusters ever reported.</jats:p>
Journal
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- European Journal of Inorganic Chemistry
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European Journal of Inorganic Chemistry 2021 (12), 1160-1164, 2021-02-25
Wiley
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Details 詳細情報について
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- CRID
- 1360853567851832320
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- ISSN
- 10990682
- 14341948
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- Article Type
- journal article
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- Data Source
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- Crossref
- KAKEN
- OpenAIRE
