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A charged diatomic triple-bonded U≡N species trapped in C82 fullerene cages

Author

Listed:
  • Qingyu Meng

    (Soochow University)

  • Laura Abella

    (University at Buffalo, State University of New York. Natural Sciences Complex)

  • Yang-Rong Yao

    (University of Science and Technology of China)

  • Dumitru-Claudiu Sergentu

    (A.I. Cuza University of Iași, RA-03 Laboratory (RECENT AIR))

  • Wei Yang

    (Soochow University)

  • Xinye Liu

    (Soochow University)

  • Jiaxin Zhuang

    (Soochow University)

  • Luis Echegoyen

    (University of Texas at El Paso, 500 W University Avenue)

  • Jochen Autschbach

    (University at Buffalo, State University of New York. Natural Sciences Complex)

  • Ning Chen

    (Soochow University)

Abstract

Actinide diatomic molecules are ideal models to study elusive actinide multiple bonds, but most of these diatomic molecules have so far only been studied in solid inert gas matrices. Herein, we report a charged U≡N diatomic species captured in fullerene cages and stabilized by the U-fullerene coordination interaction. Two diatomic clusterfullerenes, viz. UN@Cs(6)-C82 and UN@C2(5)-C82, were successfully synthesized and characterized. Crystallographic analysis reveals U-N bond lengths of 1.760(7) and 1.760(20) Å in UN@Cs(6)-C82 and UN@C2(5)-C82. Moreover, U≡N was found to be immobilized and coordinated to the fullerene cages at 100 K but it rotates inside the cage at 273 K. Quantum-chemical calculations show a (UN)2+@(C82)2− electronic structure with formal +5 oxidation state (f1) of U and unambiguously demonstrate the presence of a U≡N bond in the clusterfullerenes. This study constitutes an approach to stabilize fundamentally important actinide multiply bonded species.

Suggested Citation

  • Qingyu Meng & Laura Abella & Yang-Rong Yao & Dumitru-Claudiu Sergentu & Wei Yang & Xinye Liu & Jiaxin Zhuang & Luis Echegoyen & Jochen Autschbach & Ning Chen, 2022. "A charged diatomic triple-bonded U≡N species trapped in C82 fullerene cages," Nature Communications, Nature, vol. 13(1), pages 1-10, December.
  • Handle: RePEc:nat:natcom:v:13:y:2022:i:1:d:10.1038_s41467-022-34651-5
    DOI: 10.1038/s41467-022-34651-5
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    References listed on IDEAS

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    1. Xingxing Zhang & Wanlu Li & Lai Feng & Xin Chen & Andreas Hansen & Stefan Grimme & Skye Fortier & Dumitru-Claudiu Sergentu & Thomas J. Duignan & Jochen Autschbach & Shuao Wang & Yaofeng Wang & Giorgio, 2018. "A diuranium carbide cluster stabilized inside a C80 fullerene cage," Nature Communications, Nature, vol. 9(1), pages 1-8, December.
    2. Jingzhen Du & John A. Seed & Victoria E. J. Berryman & Nikolas Kaltsoyannis & Ralph W. Adams & Daniel Lee & Stephen T. Liddle, 2021. "Exceptional uranium(VI)-nitride triple bond covalency from 15N nuclear magnetic resonance spectroscopy and quantum chemical analysis," Nature Communications, Nature, vol. 12(1), pages 1-11, December.
    3. David M. King & Peter A. Cleaves & Ashley J. Wooles & Benedict M. Gardner & Nicholas F. Chilton & Floriana Tuna & William Lewis & Eric J. L. McInnes & Stephen T. Liddle, 2016. "Molecular and electronic structure of terminal and alkali metal-capped uranium(V) nitride complexes," Nature Communications, Nature, vol. 7(1), pages 1-14, December.
    4. A. L. Svitova & K. B. Ghiassi & C. Schlesier & K. Junghans & Y. Zhang & M. M. Olmstead & A. L. Balch & L. Dunsch & A. A. Popov, 2014. "Endohedral fullerene with μ3-carbido ligand and titanium-carbon double bond stabilized inside a carbon cage," Nature Communications, Nature, vol. 5(1), pages 1-8, May.
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