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New Heterobimetallic Ion-pair Complexes of Ni(II) with Mn(II), Co(II) and Zn(II)

机译:Ni(II)与Mn(II),Co(II)和Zn(II)的新型异双金属离子对络合物

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Some heterobimetallic ion-pair complexes of Ni(II) with Mn(II), Co(II) and , Zn (II) using 1,10-phenanthroline (phen) and 1-tert-butylimidazole-2-thione (tmt-Bu) ligands were prepared by co-crystallization of Ni(II)-phen cationic complex and Cl- / tmt-Bu containing anionic complex in acetonitrile / methanol solvent. The [Ni(phen)3][MnCl4] (1) contains two molecule of acetonitrile and [Ni(phen)3] 2+ is hydrogen bonded with [MnCl4] -2. [Ni(phen)3].2[Co(tmt-Bu)Cl3] (2) contains two molecule of acetonitrile and [Ni(phen)3]2+ is hydrogen bonded with two molecule of [Co(tmt-Bu)Cl3] 1-. The [Ni(phen)2(tmt-Bu)Cl)][Zn(tmt-Bu)Cl3] (4) has both acetonitrile and methanol as solvent of crystallization and [Ni(phen)2 (tt-Bu)Cl)]+ is hydrogen bonded with [Zn(tt-Bu)Cl3] 1- anion. All of these complexes have been characterized by magnetic measurement, thermal analysis and single crystal X-ray diffraction technique. The presence of different non-covalent interactions including π-π stacking in these complexes resulted the formation of three-dimensional supramolecular architecture. These complexes show no magnetic interaction as the distances between the metal ions present there in is too large.
机译:Ni(II)与Mn(II),Co(II)和Zn(II)的一些异双金属离子对络合物,使用1,10-菲咯啉(phen)和1-叔丁基咪唑-2-硫酮(tmt-Bu )配体是通过在乙腈/甲醇溶剂中将Ni(II)-phen阳离子络合物和含Cl- / tmt-Bu阴离子络合物共结晶制备的。 [Ni(phen)3] [MnCl4](1)包含两个乙腈分子,[Ni(phen)3] 2+与[MnCl4] -2氢键结合。 [Ni(phen)3] .2 [Co(tmt-Bu)Cl3](2)包含两个乙腈分子,并且[Ni(phen)3] 2+与两个[Co(tmt-Bu)分子氢键合Cl3] 1-。 [Ni(phen)2(tmt-Bu)Cl)] [Zn(tmt-Bu)Cl3](4)同时含有乙腈和甲醇作为结晶溶剂,[Ni(phen)2(tt-Bu)Cl) ] +与[Zn(tt-Bu)Cl3] 1-阴离子氢键合。所有这些配合物均已通过磁测量,热分析和单晶X射线衍射技术进行了表征。这些复合物中不同的非共价相互作用(包括π-π堆积)的存在导致了三维超分子体系的形成。这些络合物没有磁性相互作用,因为其中存在的金属离子之间的距离太大。

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