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Issue 10, 2020
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A quasi-plane IrB18 cluster with high stability

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Abstract

The structural evolution of neutral and anionic iridium-doped boron (B) clusters, IrBn0/− with n = 10–20, has been studied by the Crystal structure AnaLYsis by Particle Swarm Optimization (CALYPSO) method and density functional theory (DFT) calculations. The IrB18 cluster with a quasi-plane structure and high stability is uncovered. Molecular orbital (MO) and adaptive natural density partitioning (AdNDP) analyses indicate that the high stability of the IrB18 cluster is attributed to the strong covalent interactions between the 5d orbitals of the Ir atom and the 2p orbitals of the surrounding B atoms. The present results offer new insights and considerably extend our understanding of the structural evolution and electronic properties of other metal-doped B clusters.

Graphical abstract: A quasi-plane IrB18− cluster with high stability

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Article information


Submitted
23 Nov 2019
Accepted
19 Feb 2020
First published
20 Feb 2020

Phys. Chem. Chem. Phys., 2020,22, 5942-5948
Article type
Paper

A quasi-plane IrB18 cluster with high stability

D. Wei, M. Ren, C. Lu, J. Bi and G. Maroulis, Phys. Chem. Chem. Phys., 2020, 22, 5942
DOI: 10.1039/C9CP06330G

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