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Updated: Jul 8, 2026

PTR-ToF-MS Coupled with an Automated Sampling System and Tailored Data Analysis for Food Studies: Bioprocess Monitoring, Screening and Nose-space Analysis
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Published on: May 11, 2017

在正方形平面硬币金属集群中证明d轨道芳香度的证据

Chaitanya S Wannere1, Clémence Corminboeuf, Zhi-Xiang Wang

  • 1Center for Computational Chemistry and Department of Chemistry, University of Georgia, Athens, Georgia 30602, USA.

Journal of the American Chemical Society
|April 14, 2005
PubMed
概括

过渡金属集群通过d轨道移位表现出芳香性,这是一个新发现. 这项研究证实了硬币金属集群中的d轨道芳香度,挑战了以前关于结合的假设.

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Frost Circles for Different Conjugated Systems01:18

Frost Circles for Different Conjugated Systems

The inscribed polygon method is consistent with Hückel’s 4n + 2 rule and helps to learn whether the given cyclic compound is aromatic or not. The compound is stable and aromatic if every bonding molecular orbital (MO) is completely filled with a pair of electrons. However, if the non-bonding or antibonding orbitals are filled with electrons, the compound is unstable and not aromatic. Consider the Frost circle diagrams for cycloalkenes containing 4 to 8 carbons.