Structure Determination of [Au18(SR)14]

被引：205

作者：

Das, Anindita ^{[1
]}

Liu, Chong ^{[2
]}

Byun, Hee Young ^{[1
]}

Nobusada, Katsuyuki ^{[3
,4
]}

Zhao, Shuo ^{[1
]}

Rosi, Nathaniel ^{[2
]}

Jin, Rongchao ^{[1
]}

机构：

[1] Carnegie Mellon Univ, Dept Chem, Pittsburgh, PA 15213 USA

[2] Univ Pittsburgh, Dept Chem, Pittsburgh, PA 15213 USA

[3] Natl Inst Nat Sci, Inst Mol Sci, Dept Theoret & Computat Mol Sci, Okazaki, Aichi 4448585, Japan

[4] Kyoto Univ, ESICB, Kyoto 6158520, Japan

来源：

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION | 2015年 / 54卷 / 10期

关键词：

gold; nanoclusters; structure elucidation; sulfur ligands; GOLD NANOCLUSTERS; ELECTRONIC-PROPERTIES; OPTICAL-PROPERTIES; CRYSTAL-STRUCTURE; CLUSTERS; AU-15; EVOLUTION; ALUMINUM; GAP;

D O I：

10.1002/anie.201410161

中图分类号：

O6 [化学];

学科分类号：

070301 [无机化学];

摘要：

Unravelling the atomic structures of small gold clusters is the key to understanding the origin of metallic bonds and the nucleation of clusters from organometallic precursors. Herein we report the X-ray crystal structure of a charge-neutral [Au-18(SC6H11)(14)] cluster. This structure exhibits an unprecedented bi-octahedral (or hexagonal close packing) Au-9 kernel protected by staple-like motifs including one tetramer, one dimer, and three monomers. Until the present, the [Au-18(SC6H11)(14)] cluster is the smallest crystallographically characterized gold cluster protected by thiolates and provides important insight into the structural evolution with size. Theoretical calculations indicate charge transfer from surface to kernel for the HOMO-LUMO transition.

引用

页码：3140 / 3144

页数：5

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