title: Photoinduced bending of a large single crystal of a 1,2-bis(4-pyridyl)ethylene-based pyridinium salt powered by a [2+2] cycloaddition.
authors.affiliation: State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, CAS Fuzhou, Fujian 350002, P.R. China.
authors.forename: Jian-Ke
authors.initials: JK
authors.lastname: Sun
authors.forename: Wei
authors.initials: W
authors.lastname: Li
authors.forename: Cheng
authors.initials: C
authors.lastname: Chen
authors.forename: Cai-Xia
authors.initials: CX
authors.lastname: Ren
authors.forename: Dan-Mei
authors.initials: DM
authors.lastname: Pan
authors.forename: Jie
authors.initials: J
authors.lastname: Zhang