From the journal:

Chemical Communications

Crystallographic determination of Lu@C2v(9)-C82: electronic configuration and encapsulation energy-driven formation preference

Rui Zhang, ORCID logo †ab   Pengwei Yu,†b   Mengyang Li, ORCID logo †c   Xiaoxue Tan,a   Zhicong Hu,b   Wangqiang Shen, ORCID logo b   Lipiao Bao ORCID logo *b  and  Xing Lu ORCID logo *b  

* Corresponding authors

a Key Laboratory for Green Chemical Process of Ministry of Education, Hubei Key Laboratory of Novel Reactor and Green Chemical Technology, School of Chemical Engineering and Pharmacy, Wuhan Institute of Technology, Wuhan 430205, China

b State Key Laboratory of New Textile Materials and Advanced Processing and School of Materials Science and Engineering, Huazhong University of Science and Technology, Wuhan, 430074, China
E-mail: baol@hust.edu.cn, lux@hust.edu.cn

c School of Physics, Xidian University, Shaanxi 710071, China

Abstract

Lu@C82, long overshadowed by Lu2C82, is isolated and structurally identified as Lu3+@[C2v(9)-C82]3−. Spectroscopy and DFT show metal–cage electrostatics overriding 6s contraction. An encapsulation energy descriptor explains Lu2@C82 formation preference and lanthanide metallofullerene nuclearity, resolving the Lu@C82 valence paradox.

Graphical abstract: Crystallographic determination of Lu@C2v(9)-C82: electronic configuration and encapsulation energy-driven formation preference

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Article information

DOI
https://doi.org/10.1039/D5CC07103H
Article type
Communication
Submitted
14 Dec 2025
Accepted
06 Jan 2026
First published
06 Jan 2026

Chem. Commun., 2026, Advance Article

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Crystallographic determination of Lu@C2v(9)-C82: electronic configuration and encapsulation energy-driven formation preference

R. Zhang, P. Yu, M. Li, X. Tan, Z. Hu, W. Shen, L. Bao and X. Lu, Chem. Commun., 2026, Advance Article , DOI: 10.1039/D5CC07103H

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