首页> 美国卫生研究院文献>Acta Crystallographica Section E: Crystallographic Communications >Crystal structures of Mn(bdc)(Hspar)2(H2O)0.25·2H2O containing MnO6+1 capped trigonal prisms and Cu(Hspar)2(bdc)·2H2O containing CuO4 squares (Hspar = sparfloxacin and bdc = benzene-14-di­carboxyl­ate)
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Crystal structures of Mn(bdc)(Hspar)2(H2O)0.25·2H2O containing MnO6+1 capped trigonal prisms and Cu(Hspar)2(bdc)·2H2O containing CuO4 squares (Hspar = sparfloxacin and bdc = benzene-14-di­carboxyl­ate)

机译:含有Mn(bdc)(Hspar)2(H2O)0.25·2H2O的晶体结构其中含有MnO6 + 1封顶的三棱柱和Cu(Hspar)2(bdc)·2H2O含有CuO4正方形(Hspar =司巴沙星和bdc =苯) -14-二羧酸盐)

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摘要

The syntheses and crystal structures of 0.25-aqua­(benzene-1,4-di­carboxyl­ato-κ2 O,O′)bis­(sparfloxacin-κ2 O,O′)manganese(II) dihydrate, [Mn(C8H4O4)(C19H22F2N4O3)2(H2O)0.25]·2H2O or [Mn(bdc)(Hspar)2(H2O)0.25]·2H2O, (I), and bis­(sparfloxacin-κ2 O,O′)copper(II) benzene-1,4-di­carboxyl­ate dihydrate, [Cu(C19H22F2N4O3)2](C8H4O4)·2H2O or [Cu(Hspar)2](bdc)·2H2O, (II), are reported (Hspar = sparfloxacin and bdc = benzene-1,4-di­carboxyl­ate). The Mn2+ ion in (I) is coordinated by two O,O′-bidentate Hspar neutral mol­ecules (which exist as zwitterions) and an O,O′-bidentate bdc dianion to generate a distorted MnO6 trigonal prism. A very long bond [2.580 (12) Å] from the Mn2+ ion to a 0.25-occupied water mol­ecule projects through a square face of the prism. In (II), the Cu2+ ion lies on a crystallographic inversion centre and a CuO4 square-planar geometry arises from its coordination by two O,O′-bidentate Hspar mol­ecules. The bdc dianion acts as a counter-ion to the cationic complex and does not bond to the metal ion. The Hspar ligands in both (I) and (II) feature intra­molecular N—H⋯O hydrogen bonds, which close S(6) rings. In the crystals of both (I) and (II), the components are linked by N—H⋯O, O—H⋯O and C—H⋯O hydrogen bonds, generating three-dimensional networks.
机译:0.25-水(苯-1,4-二羧酸基-κ 2 O,O')双(司巴沙星-κ 2 O,O')的合成和晶体结构二水锰(II),[Mn(C8H4O4)(C19H22F2N4O3)2(H2O)0.25]·2H2O或[Mn(bdc)(Hspar)2(H2O)0.25]·2H2O,(I)和双(斯巴沙星-κ) 2 O,O')铜(II)苯-1,4-二羧酸二水合物,[Cu(C 19 H 22 F 2 N 4 O 3 2 ](C 8 H 4 < / sub> O 4 )·2H 2 O或[Cu(Hspar) 2 ](bdc)·2H 2 O,(II)(Hspar =司帕沙星,bdc =苯-1,4-二羧酸酯)。 (I)中的Mn 2 + 离子由两个O,O'形的Hspar中性分子(以两性离子形式存在)和一个O,O'形的bdc二价阴离子配位以生成扭曲的MnO 6 三角棱镜。从Mn 2 + 离子到0.25占据的水分子的很长的键[2.580(12)Å]穿过棱镜的方形表面伸出。在(II)中,Cu 2 + 离子位于晶体反转中心,CuO 4 方平面的几何形状是由两个O,O'-双齿的配位产生的Hspar分子。 bdc二价阴离子充当阳离子络合物的抗衡离子,并且不与金属离子键合。 (I)和(II)中的Hspar配体均具有分子内N-H = O氢键,该键闭合S(6)环。在(I)和(II)的晶体中,组分通过NH-O,OH-O和CHH-O氢键连接,产生三维网络。

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