Mn(II) complexes of some acylhydrazones with NNO donor sites: Syntheses, a spectroscopic view on their coordination possibilities and crystal structures

Mangalam N.A.; Sheeja S.R.; Kurup M.R.P.

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Mn(II) complexes of some acylhydrazones with NNO donor sites: Syntheses, a spectroscopic view on their coordination possibilities and crystal structures

机译：一些带有NNO供体位的酰基hydr的Mn（II）配合物：合成，它们的配位可能性和晶体结构的光谱视图

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Mn(II) complexes derived from a set of acylhydrazones were synthesised and characterized by elemental analyzes, IR, UV-vis and X-band EPR spectral studies as well as conductivity and magnetic susceptibility measurements. In the reported complexes, the hydrazones exist either in the keto or enolate form, as evidenced by IR spectral data. Crystal structures of two complexes are well established using single crystal X-ray diffraction studies. In both of these complexes two equivalent monoanionic ligands are coordinated in a meridional fashion using cis pyridyl, trans azomethine nitrogen and cis enolate oxygen atoms positioned very nearly perpendicular to each other. EPR spectra in DMF solutions at 77 K show hyperfine sextets and in some of the complexes the low intensity forbidden lines lying between each of the two hyperfine lines are also observed.

机译：合成并衍生自一组酰基hydr的Mn（II）络合物，并通过元素分析，IR，UV-vis和X波段EPR光谱研究以及电导率和磁化率测量进行表征。在报道的配合物中，,由酮或烯醇化物形式存在，如红外光谱数据所证明的。使用单晶X射线衍射研究可以很好地建立两种络合物的晶体结构。在这两种络合物中，两个等价的单阴离子配体都以非常接近彼此垂直的顺式吡啶基，反式偶氮甲氮和顺式烯醇式氧原子经向地配位。 DMF溶液中的EPR光谱在77 K处显示出超精细的六重峰，在某些配合物中，还观察到了位于两条超精细线之间的低强度禁止线。

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《Polyhedron: The International Journal for Inorganic and Organometallic Chemistry》 |2010年第18期|共6页
作者
Mangalam N.A.; Sheeja S.R.; Kurup M.R.P.;
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正文语种 eng
中图分类无机化学;
关键词
Crystal structures; EPR; Hydrazones; Mn(II) complexes;

机译：晶体结构;EPR;H;Mn（II）配合物;

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1. Mn(II) complexes of some acylhydrazones with NNO donor sites: Syntheses, a spectroscopic view on their coordination possibilities and crystal structures [J] . Mangalam N.A., Sheeja S.R., Kurup M.R.P. Polyhedron: The International Journal for Inorganic and Organometallic Chemistry . 2010,第18期

机译：一些带有NNO供体位的酰基hydr的Mn（II）配合物：合成，它们的配位可能性和晶体结构的光谱视图
2. Three nickel(II) complexes derived from a tridentate NNO donor Schiff base ligand: Syntheses, crystal structures and magnetic properties [J] . Biswas R., Diaz C., Ghosh A. Polyhedron: The International Journal for Inorganic and Organometallic Chemistry . 2013,第Null期

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3. Syntheses, structures of Mn(II), Ni(II), Cu(II) and Zn(II) coordination complexes based on 3,4,5-trifluorobenzeneseleninic acid and N-donor ligands [J] . Yan Mao, Chen Shuai, Zhang Ru-Fen, Journal of Coordination Chemistry . 2019,第15a16期

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Mn(II) complexes of some acylhydrazones with NNO donor sites: Syntheses, a spectroscopic view on their coordination possibilities and crystal structures

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