[Mg(H-Sulf)(H2O)5](H-Sulf)·5H2O的合成、晶体结构和谱学表征

被引:2
作者
康澍 [1 ]
陈振锋 [1 ]
梁宇宁 [1 ]
李冬青 [2 ]
梁宏 [1 ]
FUN Hoongkun [3 ]
机构
[1] 广西师范大学化学化工学院
[2] 玉林师范学院化生系
[3] X-ray Crystallography Unit,School of Physics,Universiti Sains Malaysia, USM,Penang,Malaysia
关键词
合成; 晶体结构; 柳氮磺胺吡啶; 镁(Ⅱ)配合物;
D O I
10.16088/j.issn.1001-6600.2006.03.020
中图分类号
R914 [药物化学];
学科分类号
100701 ;
摘要
柳氮磺胺吡啶(H3-Su lf)与氢氧化镁反应得到化合物[M g(H-Su lf)(H2O)5](H-Su lf).5H2O。用元素分析、U v-V is、荧光、IR光谱和单晶X-射线衍射方法对该化合物进行表征。化合物的化学式:C36H46M gN8O20S2,M r=999.24,三斜晶系,P-1空间群,晶胞参数:a=1.115 16(13)nm,b=1.544 71(19)nm,c=1.604 71(19)nm,=α115.654(2),°β=107.909(2),°γ=91.861(2),°V=2.326 4(5)nm3,Z=2,Dc=1.426 M g/m3,R 1=0.130,wR 2=0.259(I>2σ(I)),S=1.048。化合物为离子型化合物,由阳离子[M g(H-Su lf)(H2O)5]+,阴离子[H-Su lf]-和5个结晶水组成。其中心金属M g(Ⅱ)离子采取六配位变形的八面体几何构型,周围被5个H2O和1个来自柳氮磺胺吡啶的单齿配位的羧基O所包围,羟基和吡啶N均未参与配位。化合物通过复杂的分子内和分子间氢键作用形成三维的超分子结构。
引用
收藏
页码:68 / 72
页数:5
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