S-1 Supporting Information An Iron Based Metal-Organic Framework with Hydrophobic Quadrilateral Channels for Highly Selective Separation of Hexane Isomers Daofei Lv a,1 , Hao Wang b,1 , Yongwei Chen a , Feng Xu a , Renfeng Shi a , Zewei Liu a , Xinlong Wang c , Simon J. Teat d , Qibin Xia a,b *, Zhong Li a , and Jing Li b * a School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou 510640, PR China b Department of Chemistry and Chemical Biology, Rutgers University, 610 Taylor Road, Piscataway, NJ 08854, USA c College of Chemistry, Northeast Normal University, Changchun 130024, PR China d Advanced Light Source, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States 1 These authors contributed equally to this work. E-mail addresses: qbxia@scut.edu.cn (Qibin Xia) E-mail: jingli@rutgers.edu (Jing Li)