Coordination versatility of 2,2'-(ethylenedioxy)bis(ethylamine) in new mono- and polynuclear metal(II) complexes of saccharinate: Synthesis, characterization and crystal structures

Ahmet Karada?; Ay?e Keskin G?züac?k; Veysel T. Y?lmaz; Yusuf Yerli; Ertan ?ahin

首页> 外文期刊>Polyhedron: The International Journal for Inorganic and Organometallic Chemistry >Coordination versatility of 2,2'-(ethylenedioxy)bis(ethylamine) in new mono- and polynuclear metal(II) complexes of saccharinate: Synthesis, characterization and crystal structures

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Coordination versatility of 2,2'-(ethylenedioxy)bis(ethylamine) in new mono- and polynuclear metal(II) complexes of saccharinate: Synthesis, characterization and crystal structures

机译：糖精的新型单核和多核金属（II）配合物中2,2'-（亚乙二氧基）双（乙胺）的配位通用性：合成，表征和晶体结构

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The reaction of [M(sac)_2(H_2O) _4]_2H_2O (M=Ni~(II), Cu~(II), Cd~(II) and sac = saccharinate) with 2,2'- (ethylenedioxy)bis(ethylamine) (edbea) resulted in [Ni(edbea)(sac)_2]2H_2O (1) [Cu(edbea)(sac) _2] (2), [Cu(l-edbea)(sac)2]n (3) and [Cd(edbea)2](sac)2 (4), which have been characterized by elemental analyses, magnetic measurements, FT-IR and EPR (for 3) spectroscopies, thermal analysis, magnetic properties (for 1 and 3) and X-ray diffraction methods. The edbea ligand display different coordination modes in the present complexes. For example, 1 and 2 it acts a tridentate way, while it exhibits a l-N/O bidentate bridging mode between the copper centers in 3. On the other hand, the geometry of 4 eight-coordinated by two tetradentate edbea ligands is the bicapped trigonal prism structure in which S(o) value is the smallest. The EPR spectrum of 3 showed that the local geometry of Cu(II) ion has an elongated rhombic coordination. Complexes 1 and 3 exhibited a paramagnetic behavior as expected, but complex 1 displayed an antiferromagnetic interaction at low temperatures.

机译：[M（sac）_2（H_2O）_4] _2H_2O（M = Ni〜（II），Cu〜（II），Cd〜（II）和sac =糖精）与2,2'-（乙二氧基）双的反应（乙胺）（edbea）产生[Ni（edbea）（sac）_2] 2H_2O（1）[Cu（edbea）（sac）_2]（2），[Cu（1-edbea）（sac）2] n（ 3）和[Cd（edbea）2]（sac）2（4），其特征在于元素分析，磁测量，FT-IR和EPR（用于3）光谱，热分析，磁性能（用于1和3））和X射线衍射方法。 edbea配体在本发明配合物中显示出不同的配位方式。例如，1和2表现为三齿方式，而在3中的铜中心之间表现出lN / O双齿桥接模式。另一方面，由两个四齿edbea配体构成的4个八配位的几何形状是三角三角形S（o）值最小的棱镜结构。 3的EPR谱表明Cu（II）离子的局部几何形状具有细长的菱形配位。配合物1和3表现出预期的顺磁行为，但配合物1在低温下显示出反铁磁相互作用。

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《Polyhedron: The International Journal for Inorganic and Organometallic Chemistry》 |2014年第null期|共7页
作者
Ahmet Karada?; Ay?e Keskin G?züac?k; Veysel T. Y?lmaz; Yusuf Yerli; Ertan ?ahin;
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中图分类无机化学;
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2; 2'-(Ethylenedioxy)bis(ethylamine); Saccharin; Crystal structures; Magnetic properties; Thermal analysis;

机译：2;2'-（乙二氧基）双（乙胺）;糖精;晶体结构;磁性;热分析;

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Coordination versatility of 2,2'-(ethylenedioxy)bis(ethylamine) in new mono- and polynuclear metal(II) complexes of saccharinate: Synthesis, characterization and crystal structures

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