D      2h   HZn4S4−: an elongated planar tetracoordinate hydrogen star

Hui-Feng Yan; Li-Xia Bai; Mesías Orozco-Ic; Jin-Chang Guo

doi:10.1039/D5CC05293A

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D_2h HZn₄S₄⁻: an elongated planar tetracoordinate hydrogen star

Hui-Feng Yan,^a Li-Xia Bai,

^a Mesías Orozco-Ic

^b and Jin-Chang Guo

*^a

Author affiliations

* Corresponding authors

^a Key Laboratory of Materials for Energy Conversion and Storage of Shanxi Province, Institute of Molecular Science, Shanxi University, Taiyuan 030006, China
E-mail: guojc@sxu.edu.cn

^b Instituto de Ciencias Físicas, Universidad Nacional Autónoma de México, Cuernavaca 62210, Mexico

Abstract

The first elongated HZn₄S₄⁻ (D_2h) star containing a planar tetracoordinate hydrogen (ptH) was predicted. It is a true global minimum and possesses good dynamic stability. The central ptH is stabilized by one 5c–2e half-covalent and half-ionic multicenter bond, rather than σ aromaticity. Encouragingly, it is a superhalogen anion.

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Article information

DOI: https://doi.org/10.1039/D5CC05293A
Article type: Communication
Submitted: 14 Sep 2025
Accepted: 02 Nov 2025
First published: 05 Nov 2025

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Chem. Commun., 2025, Advance Article

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D _2h HZn₄S₄⁻: an elongated planar tetracoordinate hydrogen star

H. Yan, L. Bai, M. Orozco-Ic and J. Guo, Chem. Commun., 2025, Advance Article , DOI: 10.1039/D5CC05293A

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