College of Chemistry;
Tianjin Key Laboratory of Structure and Performance for Functional Molecules;
Tianjin Normal University;
Tianjin 300387;
China;
State Key Laboratory of Structural Chemistry;
Fujian Institute of Research on the Structure of Matter;
Chinese Academy of Sciences;
Fuzhou 350002.China;
MOFs; adsorption and separation; C_(2)gas; design and synthesis; pore size;