Citation: Meng, Xian-Rui; Zhong, Di-Chang; Jiang, Long; Li, Huan-Yong; Lu, Tong-Bu (2011). Unprecedented Tuning of Structures and Gas Sorption Properties of Two 2D Nickel Metal−Organic Frameworks via Altering the Positions of Fluorine Atoms in Azamacrocyclic Ligands. Crystal Growth & Design, 11, pp. 2020-.