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Synthesis and structural characterization of a novel polymeric praseodymium(III) complex with a new flexible double betaine

机译:新型柔性双甜菜碱的新型聚合物镨(III)复合物的合成与结构表征

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A novel polymeric Pr(III) complex with a new double betaine, namely [{Pr(L-1)(1.5)(H2O)(2)}(n)] [ClOli4]3(n). nH(2)O (1) (L-1= 1,4-diazoniobicyclo[2,2,2]octane- 1,4-dipropionate), has been synthesized and characterized by X-ray analysis. In the title complex, the Pr(III) atom is nine-coordinated by seven oxygen atoms from five L-1 ligands and two aqua ligands. Each pair of adjacent praseodymium(III) atoms is linked by a pair of mu(3) chelating and bridging carboxylate groups, thus forming an infinite metal metal chain running parallel to the a direction, and such chains are cross-linked by flexible backbones of L-1 ligands into a three-dimensional network with the perchlorate anions and lattice water molecules accommodated in the interstitial space. The title complex crystallizes in the monoclinic space group P2(1)/n with a = 8.085(2), b = 14.316(3), c = 29.775(6) Angstrom, beta = 103.04(3)degrees and Z = 4. [References: 16]
机译:一种具有新的双甜菜碱的新型聚合物PR(III)复合物,即[{Pr(L-1)(1.5)(1.5)(H 2 O)(2)}(N)] [Cloli4] 3(n)。 NH(2)O(1)(L-1 = 1,4-二氮杂双环[2,2,2]辛烷-1,4-二丙酸盐)已经合成,其特征在于X射线分析。 在标题复合物中,PR(III)原子由来自五个L-1配体和两个Aqua配体的七个氧原子为9。 每对相邻的镨(III)原子通过一对μ(3)螯合和桥接羧酸盐基团连接,从而形成平行于方向的无限金属金属链,并且这种链通过柔性骨架交联 L-1配体进入三维网络,其具有高氯酸盐阴离子和容纳在间隙空间的晶格水分子。 标题复合物在单斜斜面基团P2(1)/ N中结晶,A = 8.085(2),B = 14.316(3),C = 29.775(6)埃,β= 103.04(3)度和Z = 4。 [参考:16]

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