(C5H7N2) (C8H4O4) PbBr: Jahn–Teller Distortion‐Induced Tilting of π‐Conjugated Planes Resolving the Second‐Order Polarizability–Structural Anisotropy Conflicts - Yu, Ming‐Yan; Yang, Can; Wang, Yun‐Jie; Su, Xin; Cui, Jian; Zhu, Yao‐Long; Zhu, Qing‐Wen; Wu, Qi; Wu, Li‐Ming; Chen, Ling (Angewandte Chemie, 2026)