Self-assembly of cadmium salt and long V-shaped 4,4′-sulfonyldibenzoic acid (H2SDBA) ligand affords a three-dimensional (3D) metal-organic framework [Cd(SDBA)(H2O)] (1) (SDBA = 4,4′-sulfonyldibenzoate). Its structure was determined by single-crystal X-ray diffraction analysis and fur...