The Half-Möbius Molecule: The “Impossible” 90° Twist in Quantum Chemistry 🧬🌀

For decades, molecular topology seemed simple: flat rings like benzene or twisted Möbius molecules with a 180° twist. But scientists have now revealed something once thought impossible—a half-Möbius molecule with a 90° twist.This remarkable C₁₃Cl₂ molecular ring introduces an entirely new topological state where electrons must travel four full loops around the molecule to return to their starting quantum state. Even more fascinating, researchers can toggle the molecule between multiple topological forms using scanning probe microscopy, effectively turning it into a quantum molecular switch.Behind this discovery lies exotic physics:⚛️ the helical pseudo-Jahn–Teller effect🧠 quantum simulations on a 72-qubit processor🌀 and a rare π/2 Berry phase, producing quarter-integer quantum states.This isn’t just a chemical curiosity—it could shape the future of quantum materials, spintronics, and molecular electronics, where information may be stored not in charges, but in topological braids of electrons.Source paper:A molecule with half-Möbius topology. Science First Release.#nanoscience #quantumchemistry #moleculartopology #spintronics #materialsScience #quantumtechnology #deepdivelab