A Luminescent Cd（II） Coordination Polymer Constructed from Isophthalic Acid and 1,3-Bis-（4-pyridyl）propane

A new coordination complex [Cd2(ip)2(bpp)]n(1, H2 ip = isophthalic acid, bpp = 1,3-bis-(4-pyridyl) propane) has been synthesized and structurally characterized. Crystal data for the title complex are as follows: triclinic system, space group P1 with a = 9.6724(6), b = 10.2243(6), c = 14.8205(9) ?, α = 88.927(5), β = 71.664(6), γ = 75.767(5)°, V = 1345.79(14) ?3, Mr = 751.29, Z = 2, F(000) = 740, Dc = 1.854 g/cm3, μ(Mo Kα) = 1.636 mm-1, R = 0.0259 and w R = 0.0623 for 4754 observed reflections with I > 2σ(I). X-ray structure analysis reveals that complex 1 holds a 3D architecture based on α-Po primitive cubic units with the [Cd4(COO)8] units treated as 6-connected nodes. Solid-state properties for 1, such as infrared spectroscopy, elemental analyses, thermal stability and luminescent property, have also been investigated.

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