摘要

The hydrothermal reaction of 5-methoxyisophthalic acid (MeO-H(2)ip), 1,3-bis(2-methylimidazol-1'-yl)propane (bmip) and Zn(NO3)(2)center dot 6H(2)O in the presence of NaOCH3 gave rise to a three-dimensional (3-D) metal-organic framework containing octanuclear Zn(II) units, [Zn-4(MeO-iP)(3)(OH)(2)(bmip)](n). Single-crystal X-ray diffraction analysis reveals that the complex crystallizes in the triclinic space group P (1) over bar with a = 11.348(3), b = 14.163(4), c = 15.088(4) angstrom, alpha = 108.537(2), beta = 106.542(2), gamma = 103.106(1)degrees, V = 2065.4(9) angstrom(3), Z = 2, M-r = 334.62, D-c = 1.740 g.cm(-3), mu = 2.375 mm(-1), S = 1.015, F(000) = 1096, the final R = 0.0272 and wR = 0.0715 for 8929 observed reflections (I > 2 sigma(I)). The complex is thermally stable up to 370 degrees C, and exhibits photoluminescent emission at 450 nm on 350 nm excitation.

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