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Updated: Jun 12, 2026

Construction and Systematical Symmetric Studies of a Series of Supramolecular Clusters with Binary or Ternary Ammonium Triphenylacetates
06:35

Construction and Systematical Symmetric Studies of a Series of Supramolecular Clusters with Binary or Ternary Ammonium Triphenylacetates

Published on: February 15, 2016

チオラートで保護されたAu38ナノクラスターのキラリティと電子構造

Olga Lopez-Acevedo1, Hironori Tsunoyama, Tatsuya Tsukuda

  • 1Department of Physics, Nanoscience Center, University of Jyväskylä, FI-40014 Jyväskylä, Finland.

Journal of the American Chemical Society
|May 27, 2010
PubMed
まとめ

研究者は,チオラートで保護された黄金のクラスターの構造と特性を調査し,これらの黄金のナノ構造に強い円形二重化 (CD) を誘導するキラルリガンド配列を発見しました.

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In Situ Synthesis of Gold Nanoparticles without Aggregation in the Interlayer Space of Layered Titanate Transparent Films07:08

In Situ Synthesis of Gold Nanoparticles without Aggregation in the Interlayer Space of Layered Titanate Transparent Films

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Chirality at Nitrogen, Phosphorus, and Sulfur02:30

Chirality at Nitrogen, Phosphorus, and Sulfur

Chirality is most prevalent in carbon-based tetrahedral compounds, but this important facet of molecular symmetry extends to sp3-hybridized nitrogen, phosphorus and sulfur centers, including trivalent molecules with lone pairs. Here, the lone pair behaves as a functional group in addition to the other three substituents to form an analogous tetrahedral center that can be chiral.
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Accordingly, the structure of a trivalent radical lies between the geometries of carbocations and carbanions. An sp2-hybridized carbocation is trigonal planar, while an sp3-hybridized carbanion is trigonal pyramidal. Here, the difference in geometry is...
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