A5068587414- X-ray Diffraction in Crystallography
- Crystallization and Solubility Studies
- Fullerene Chemistry and Applications
- Diamond and Carbon-based Materials Research
- Graphene research and applications
- Radioactive element chemistry and processing
- Boron and Carbon Nanomaterials Research
- Advanced Chemical Physics Studies
- Rare-earth and actinide compounds
- Organic Electronics and Photovoltaics
- Nuclear Materials and Properties
- Organometallic Complex Synthesis and Catalysis
- Magnetism in coordination complexes
- Atomic and Molecular Physics
- Fire dynamics and safety research
- Fire effects on concrete materials
- Porphyrin and Phthalocyanine Chemistry
- Thin-Film Transistor Technologies
- Geotechnical and Geomechanical Engineering
- Fuel Cells and Related Materials
- Medical Imaging and Analysis
- Coordination Chemistry and Organometallics
- Artificial Intelligence in Healthcare and Education
- Structural Response to Dynamic Loads
- Machine Learning in Materials Science
China University of Mining and Technology
2023-2025
South China Normal University
2025
Shanghai Jiao Tong University
2024
Soochow University
2017-2023
For the first time, actinide endohedral metallofullerenes (EMFs) with non-isolated-pentagon-rule (non-IPR) carbon cages, U@C80, Th@C80, and U@C76, have been successfully synthesized fully characterized by mass spectrometry, single crystal X-ray diffractometry, UV-vis-NIR Raman spectroscopy, cyclic voltammetry. Crystallographic analysis revealed that U@C80 Th@C80 share same non-IPR cage of C1(28324)-C80, U@C76 was assigned to U@ C1(17418)-C76. All these cages are chiral never reported before....
Novel actinide cluster fullerenes, U2C2@Ih(7)-C80 and U2C2@D3h(5)-C78, were synthesized fully characterized by mass spectrometry, single-crystal X-ray crystallography, UV-vis-NIR, nuclear magnetic resonance spectroscopy (NMR), absorption (XAS), Raman spectroscopy, IR as well density functional multireference wave function calculations. The encapsulated U2C2 is the first example of a uranium carbide featuring two U centers bridged C≡C unit. U-C bond distances in these clusters are range...
Abstract A new class of single‐molecule magnets (SMMs) based on Dy‐oxide clusterfullerenes is synthesized. Three isomers Dy 2 O@C 82 with C s (6), 3v (8), and 2v (9) cage symmetries are characterized by single‐crystal X‐ray diffraction, which shows that the endohedral Dy−(µ ‐O)−Dy cluster has bent shape very short Dy−O bonds. show SMM behavior broad magnetic hysteresis, but temperature magnetization relaxation depend strongly fullerene cage. The distances large negative charge oxide ion in...
Despite decades of efforts, the actinide-carbon triple bond has remained an elusive target, defying synthesis in any isolable compound. Herein, we report successful uranium-carbon bonds carbide-bridged bimetallic [U≡C-Ce] units encapsulated inside fullerene cages C72 and C78. The molecular structures UCCe@C2n nature U≡C were characterized through X-ray crystallography various spectroscopic analyses, revealing very short 1.921(6) 1.930(6) Å, with metals existing their highest oxidation states...
Understanding the chemical behavior of actinide elements is essential for effective management and use materials. In this study, we report an unprecedented η2 (side-on) coordination U by a cyanide in UCN cluster, which was stabilized inside C82 fullerene cage. UCN@Cs(6)-C82 successfully synthesized fully characterized mass spectrometry, single crystal X-ray crystallography, cyclic voltammetry, spectroscopy, theoretical calculations. The bonding analysis demonstrates significant donation...
Abstract Actinide diatomic molecules are ideal models to study elusive actinide multiple bonds, but most of these have so far only been studied in solid inert gas matrices. Herein, we report a charged U≡N species captured fullerene cages and stabilized by the U-fullerene coordination interaction. Two clusterfullerenes, viz. UN@ C s (6)-C 82 2 (5)-C , were successfully synthesized characterized. Crystallographic analysis reveals U-N bond lengths 1.760(7) 1.760(20) Å . Moreover, was found be...
A combination of theoretical analysis, numerical simulation and physical model experiments is used to explore the mechanism pressure relief roof blasting effects along gob-side roadway. The stress displacement roadway before after were investigated using discrete unit code (UDEC) software. results demonstrated that can effectively decrease peak coal seam transfer it depth. maximum roadway, pillar solid was reduced from 9.5, 10.8 4 cm 6.5, 2 3 cm, respectively, blasting. experimental showed...
Micro-pollutants in water and wastewater pose significant risks to aquatic ecosystems due their toxic persistent nature. However, micro-pollutant abatement using conventional advanced oxidation processes requires high energy chemical consumption. Therefore, a visible-light-driven photochemical system mediated by AgCl/AgBr composites (Vis-AgCl/AgBr system) was proposed degrade tetrabromobisphenol A (TBBPA), model micro-pollutant. The composites, which were fabricated simple precipitation...
A novel actinide endohedral fullerene with an unexpected chiral cage, Th@C1(11)-C86, was synthesized and characterized. DFT calculations suggest that this low symmetry cage favoured as a consequence of the strong interaction between Th which makes predictions by ionic model less reliable for these mono-metallofullerenes.
For the first time, an actinide nitride clusterfullerene, U2N@Ih(7)-C80, is synthesized and fully characterized by X-ray single crystallography multiple spectroscopic methods. U2N@Ih(7)-C80 far endohedral fullerene that violates well-established tri-metallic template for clusterfullerenes. The novel U[double bond, length as m-dash]N[double m-dash]U cluster features two m-dash]N bonds with uneven bond distances of 2.058(3) Å 1.943(3) Å, leading to a rare unsymmetrical structure dinuclear...
For the first time, Th@Td(19151)-C76, a highly symmetric C76 cage encapsulating an actinide metal ion, has been synthesized and characterized by single-crystal X-ray crystallography, mass spectrometry, UV-vis-NIR spectroscopy, cyclic voltammetry. The crystallographic analysis unambiguously assigned fullerene as Td(19151)-C76 confirmed Th@Td(19151)-C76 IPR (isolated-pentagon rule) C76-based monometallofullerene. results further revealed that optimal Th site resides over sumanene-type hexagon,...
For the first time, crystallographic and spectroscopic analyses identified that a mixed actinide–lanthanide carbide cluster Sc<sub>2</sub>UC, with very short UC bond, is stabilized inside an<italic>I</italic><sub>h</sub>(7)-C<sub>80</sub>cage.
Th@<italic>D</italic><sub>5h</sub>(6)-C<sub>80</sub> is successfully synthesized and characterized. This the first example to prove that <italic>D</italic><sub>5h</sub>(6)-C<sub>80</sub> can be stabilized by encapsulation of a single metal ion 4-electron transfer.
Actinide endohedral fullerenes have demonstrated remarkably different physicochemical properties compared to their lanthanide analogues. In this work, two novel isomers of Th@C82 were successfully synthesized, isolated, and fully characterized by mass spectrometry, X-ray single crystallography, UV–vis–NIR spectroscopy, Raman cyclic voltammetry. The molecular structures the determined unambiguously as Th@C2v(9)-C82 Th@C2(5)-C82 single-crystal diffraction analysis. spectroscopies further...
Chemical functionalization of endohedral metallofullerenes (EMFs) is essential for the application these novel carbon materials. Actinide EMFs, a new EMF family member, have presented unique molecular and electronic structures but their chemical properties remain unexplored. Here, first time, we report actinide in which photochemical reaction Th@C3v(8)-C82 U@C2v(9)-C82 with 2-adamantane-2,3'-[3H]-diazirine (AdN2, 1) was systematically investigated. The combined HPLC MALDI-TOF analyses show...
A stretched Sc<sub>3</sub>N cluster stabilizes a non-IPR<italic>C</italic><sub>s</sub>(39 663)-C<sub>82</sub>cage by interacting closely with the adjacent pentagons.
Artificial construction of a weakening zone over the roadway is an essential method for preventing coal bursts and rock caused by strong mining tremors. However, concerning seismic absorption load reduction capabilities artificial structural zone, degree mass damage to under protection remains unclear. This study employed principles elasticity UDEC (Universal Distinct Element Code) explore attenuation zone. The results indicate that absorbing ability increases exponentially with its...
Oxygenated hollow cage fullerenes have been intensively studied due to their applications in biomedicine recent years. Clusterfullerenes become a focus of endohedral fullerene researches for exceptionally high yield and thermal stabilities. However, oxide derivatives clusterfullerene remain unexplored date. Herein, we present the photochemical synthesis an derivative clusterfullerene, Lu3N@C80O, first time. The compound was characterized by matrix-assisted laser desorption ionization...
How can we test AI performance? This question seems trivial, but it isn't. Standard benchmarks often have problems such as in-distribution and small-size sets, oversimplified metrics, unfair comparisons, short-term outcome pressure. As a consequence, good performance on standard does not guarantee success in real-world scenarios. To address these problems, present Touchstone, large-scale collaborative segmentation benchmark of 9 types abdominal organs. is based 5,195 training CT scans from...
In article number 1901352, Fupin Liu, Stanislav M. Avdoshenko, Alexey A. Popov, Ning Chen, and co-workers synthesize a new class of single-molecule magnets (SMMs) based on fullerenes encapsulating Dy2O species. The endohedral Dy–(μ2-O)–Dy units have bent shape with unusually short Dy–O bonds. All three isomers Dy2O@C82 show SMM behavior broad magnetic hysteresis. Magnetic moments Dy ions are aligned along the bonds strongly antiferromagnetically coupled.
Despite decades of efforts, the actinide-carbon triple bond has remained an elusive target, defying isolation in any compound. Herein, we report successful stabilization uranium-carbon bonds carbide-bridged bimetallic [U≡C−Ce] units encapsulated inside fullerene cages C72 and C78. The molecular structures UCCe@C2n nature U≡C were characterized through X-ray crystallography various spectroscopic analyses, revealing very short 1.921(6) 1.930(6) Å, with metals existing their highest oxidation...