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A three-dimensional(3D) coordination polymer,[Cd(SC)(DPPD)]_n(1,H_2SC = succinic acid and DPPD = 3,6-di(4-pyridyl)pyridazine),has been synthesized by the solvothermal reaction of Cd(NO_3)_2·4H_2O with H_2 SC and DPPD at 120 oC in DMF solvent. Compound 1 crystallizes in the monoclinic system,space group P2_1/c,with a = 10.7993(4),b = 11.7705(3),c = 13.5336(6) ?,V = 1678.89(11) ?~3,Z = 4,C18H14N4O_4 Cd,M_r = 462.73,D_c = 1.831 g/cm~3,μ = 1.335 mm~(-1),F(000) = 920.0,the final R = 0.0500 and wR = 0.1567 for 3714 observed reflections with I > 2s(I). In compound 1,the Cd(Ⅱ) ions are linked by the SC~(2–) ligands to give a two-dimensional(2D) undulating sheet based on the centrosymmetric dinuclear Cd_2(COO)_2 units. The 2D sheets are further connected by the DPPD ligands to produce a 3D structure,which is a 6-connected(4~4·6·~(10)·8) topological network based on the dinuclear Cd_2(COO)_2 node. Compound 1 exhibits a photoluminescent emission with a maximum at 540 nm upon excitation at 460 nm.
A three-dimensional (3D) coordination polymer, [Cd (SC) (DPPD)] _ n (1, H_2SC = succinic acid and DPPD = 3,6-di (4-pyridyl) pyridazine), has been synthesized by the solvothermal reaction of Cd (NO 3) 2 · 4H 2 O with H 2 SC and DPPD at 120 ° C. in DMF solvent. Compound 1 crystallizes in the monoclinic system, space group P2_1 / c with a = 10.7993 (4), b = 11.7705 = 13.5336 (6) ?, V = 1678.89 (11)? 3, Z = 4, C18H14N4O4 Cd, M_r = 462.73, D_c = 1.831 g / ) = 920.0, the final R = 0.0500 and wR = 0.1567 for 3714 observed reflections with I> 2s (I). In compound 1, the Cd (II) ions are linked by the SC ~ -dimensional (2D) undulating sheet based on the centrosymmetric dinuclear Cd_2 (COO) _2 units. The 2D sheets are further connected by the DPPD ligands to produce a 3D structure, which is a 6-connected (4-4.6 10) · 8) topological network based on the dinuclear Cd_2 (COO) _2 node. Compound 1 exhibits a photoluminescent emission with a maximum at 540 nm upon excitation a t 460 nm.