Synthesis, Crystal Structure and Luminescence Property of a 2D Mn(Ⅱ) Coordination Polymer Based on Isoniazid
CHINESE JOURNAL OF STRUCTURAL CHEMISTRY(2012)
摘要
A novel 2D Mn(II) coordination polymer [Mn(CH3COO)(2)(INH)](n) (INN = isoniazid) has been synthesized in DMF solution with isoniazid and Mn(CH3COO)(2). The polymer was characterized by single-crystal X-ray diffraction analysis, FTIR and X-ray powder diffraction (XRPD). The crystal belongs to the monoclinic system, space group P2(1)/c with a = 9.3251(18), b = 16.340(3), c = 8.8096(17) angstrom, beta = 94.747(3)degrees, V = 1337.7(4) angstrom(3), Z = 4, mu(MoK alpha) = 1.006 mm(-1), F(000) = 636, R = 0.0754 and wR = 0.1375 (I > 2 sigma(I)). In the complex, each Mn(II) atom is coordinated to three CH3COO- groups and two INH ligands. The Mn(II) atoms locate in a distorted coordination octahedron and are bridged by CH3COO- ions to form a 1D S shaped chain extending along the c direction. The INH molecules act as bridges to link the Mn(II) atoms of adjacent chains and further construct a lamellar polymer. The remaining coordination site is occupied by an O atom of the other CH3COO-. The experimental results show that the title complex has good luminescence property and could be used as potential optical materials.
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关键词
manganese,isoniazid,crystal structure,luminescence property
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