A New 3-Fold Interpenetrating 3D Zn(II) Metal-organic Framework: Synthesis, Structure and Luminescent Property

A new Zn(II) coordination polymer, namely {[Zn-1.5(1,3,5-btc(3-))(dtb)(H2O)](H2O)(2)}(n) (1) (1,3,5-H(3)btc = 1,3,5-benzenetricarboxylic acid, dtb = 1,3-di-(1,2,4-triazole-4-yl) benzene), has been hydrothermally synthesized and structurally characterized. X-ray single-crystal diffraction determination reveals that 1 crystallizes in the monoclinic C2/c space group with a = 33.811(12), b = 8.406(2), c = 17.296(4) angstrom, beta = 120.593(2)degrees, V = 4232(2) angstrom(3), Z = 4, M-r = 1142.88, D-c = 1.794 Mg/m(3), mu = 1.783 mm(-1), F(000) = 2320, the final R = 0.0338 and wR = 0.0827 for 3043 observed reflections with I > 2 sigma(I). Compound 1 exhibits 1D Zn(II)-carboxylate chains, which are connected into a 3D porous framework with large channels by dtb, and then three identical 3D networks are interpenetrated with each other. In addition, the luminescence property of the complex has also been investigated.