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A new cadmium-organic framework,[Cd2(TBDC)2(DMF)2(H2O)]n(1),was synthesized by solvothermal reaction of rigid carboxylate ligand 2,3,5,6-tetramethyl-1,4-benzenedicarboxylate(H2TBDC)and cadmium nitrate and characterized by elemental analysis,infrared spectrum,thermal analysis,PXRD,single-crystal X-ray diffraction and photoluminescence in the solid state.Compound 1 crystallizes in orthorhombic,space group Pca21with a=21.487(6),b=7.790(2),c=20.666(6),C30H40Cd2N2O11,Mr=829.44,V=3459.3(16)3,Z=4,Dc=1.593g·cm-3,μ=1.29 mm-1,F(000)=1672,2.7<θ<27.2°,λ(MoKα)=0.71073,T=293(2)K,the final R=0.026,wR=0.0548 and S=1.027.X-ray diffraction analysis reveals that complex 1 possesses a 3D framework and exhibits msw net.Thus,the solid-state luminescent spectrum of 1 displays that the emission of cadmium(II)complex shows a peak at 317 nm upon 250 nm excitation at room temperature.
A new cadmium-organic framework, [Cd2 (TBDC) 2 (DMF) 2 (H2O)] n (1), was synthesized by solvothermal reaction of rigid carboxylate ligand 2,3,5,6-tetramethyl-1,4-benzenedicarboxylate (H2TBDC) and cadmium nitrate and characterized by elemental analysis, infrared spectrum, thermal analysis, PXRD, single-crystal X-ray diffraction and photoluminescence in the solid state. Compound 1 crystallizes in orthorhombic, space group Pca21 with a = 21.487 B = 7.790 (2) c = 20.666 (6) C30H40Cd2N2O11 Mr = 829.44 V = 3459.3 (16) 3 Z = 4 Dc = 1.593g cm- 000 = 1672, 2.7 <θ <27.2 °, λ (MoKα) = 0.71073, T = 293 (2) K, the final R = 0.026, wR = 0.0548 and S = 1.027. possesses a 3D framework and exhibits msw net.Thus, the solid-state luminescent spectrum of 1 displays that the emission of cadmium (II) complex shows a peak at 317 nm upon 250 nm excitation at room temperature.