Figure 1

(a) View of coordination environment of the Cd(II) ions in the IUST-3; Symmetry codes: (i) − x, − y + 2, − z; (ii) − x, − y + 2, − z + 1; (iii) x − 1, y + 1, z; (iv) x + 1, y − 1, z, (b) 1D double-chain of Cd(II) ions and OBA ligands, (c) 2D pillared-layer framework of the IUST-3.