Core Insights - Rare earth elements are crucial strategic resources, and recent advancements in the synthesis of rare earth triple bond compounds challenge traditional understandings of their bonding capabilities [1] - The successful creation of stable rare earth triple bonds can lead to new pathways for the design of novel rare earth catalysts and advanced functional materials [1] Group 1 - A research team from Suzhou University and Tsinghua University has innovatively utilized fullerene molecular cages and improved arc discharge technology to synthesize the first rare earth triple bond compound involving cerium and carbon [1] - The synthesized cerium-carbon triple bond compound has been confirmed through X-ray single crystal diffraction, showing a bond length that aligns with theoretical predictions for triple bonds [2] - Additional characterization techniques, including visible-near infrared absorption spectroscopy and electron paramagnetic resonance spectroscopy, have provided direct evidence for the existence of the rare earth triple bond [2]