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从小分子金属簇到具有核壳结构的分子纳架构：[CoAs(CO)] 的合成、氧化还原指纹、理论分析和固态结构。

From Small Metal Clusters to Molecular Nanoarchitectures with a Core-Shell Structure: The Synthesis, Redox Fingerprint, Theoretical Analysis, and Solid-State Structure of [CoAs(CO)].

机构信息

Dipartimento di Scienze dell'Ambiente e della Terra, University of Milano-Bicocca, Piazza della Scienza 1, 20126 Milano, Italy.

Dipartimento di Chimica, University of Milano, via Venezian 21, 20133 Milano, Italy.

出版信息

Inorg Chem. 2022 Jul 4;61(26):9888-9896. doi: 10.1021/acs.inorgchem.2c00506. Epub 2022 Jun 22.

DOI:10.1021/acs.inorgchem.2c00506
PMID:35731613
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC9937531/
Abstract

The cluster [CoAs(CO)] was obtained by pyrolysis of [CoAs(CO)]. The metal cage features a closed-packed core inside a Co/As shell that progressively deforms from a cubic face-centered symmetry. The redox and acid-base reactivities were determined by cyclic voltammetry and spectrophotometric titrations. The calculated electron density revealed the shell-constrained distribution of the atomic charges, induced by the presence of arsenic.

摘要

该团簇 [CoAs(CO)] 通过 [CoAs(CO)] 的热解获得。金属笼具有一个由 Co/As 壳包裹的密堆积核心，该核心逐渐从立方面心对称变形。通过循环伏安法和分光光度滴定法确定了氧化还原和酸碱反应活性。计算出的电子密度揭示了由于砷的存在而导致的原子电荷的壳约束分布。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ca60/9937531/ca78655a3366/ic2c00506_0005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ca60/9937531/abe11ab6eea4/ic2c00506_0002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ca60/9937531/c0cb310334dd/ic2c00506_0003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ca60/9937531/8f663444d594/ic2c00506_0004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ca60/9937531/8dfdea1899e6/ic2c00506_0006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ca60/9937531/ca78655a3366/ic2c00506_0005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ca60/9937531/abe11ab6eea4/ic2c00506_0002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ca60/9937531/c0cb310334dd/ic2c00506_0003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ca60/9937531/8f663444d594/ic2c00506_0004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ca60/9937531/8dfdea1899e6/ic2c00506_0006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ca60/9937531/ca78655a3366/ic2c00506_0005.jpg

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