Copper(II) and palladium(II) complexes of 2-amino-5-chlorobenzophenone and 2-(2-hydroxybenzylidene)amino-5-chlorobenzophenone-S-methyl-thiosemicarbazones

Yasemin Daşdemir Kurt; Bahri Ülküseven; Sadık Güner; Yüksel Köseoğlu

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Copper(II) and palladium(II) complexes of 2-amino-5-chlorobenzophenone and 2-(2-hydroxybenzylidene)amino-5-chlorobenzophenone-S-methyl-thiosemicarbazones

机译：2-氨基-5-氯二苯甲酮和2-（2-羟基苄叉基）氨基-5-氯二苯甲酮-S-甲基-硫代半缩酮的铜（II）和钯（II）配合物

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The S-methyl thiosemicarbazone derivatives of 2-amino-5-chlorobenzophenone and 2-(2-hydroxybenzylidene)amino-5-chlorobenzophenone (LI and LII) and their copper(II) and palladium(II) chelates were synthesized. The solid compounds, [Cu(LI)Cl]Cl · 2H2O, [Cu(LII)Cl]Cl · H2O, [Pd(LI)Cl]Cl, and [Pd(LII)Cl2], were characterized by elemental analysis, thermogravimetric measurements, electronic, i.r., 1H-n.m.r. and e.p.r. spectroscopy. The ligand behavior of the LI and LII explained by means of spectroscopic data. The experimental X-band e.p.r. spectra recorded from two different copper(II) ion coordinated powder complexes have characteristic line shapes that exhibit the axial symmetry around the paramagnetic ions. The theoretically well fitted spectra prove this case too. The absence of hyperfine signals has been attributed to the strong covalency effects of copper electrons with neighbouring N atoms. Orbital energy levels for magnetic electrons were determined from Spin Hamiltonian parameters. The anisotropic Lande splitting factors were specified in an order of $ {g_{| |}>g_{bot}>2}$ and this case indicates that the unpaired electrons are located mainly in the $ {d_{x^{2}-y^{2}}}$ orbital.

机译：2-氨基-5-氯二苯甲酮和2-（2-羟基苄叉基）氨基-5-氯二苯甲酮（LI 和LII ）的S-甲基硫代半碳酮衍生物及其铜（II）和钯（II））合成了螯合物。固体化合物[Cu（LI ）Cl] Cl·2H2 O，[Cu（LII ）Cl] Cl·H2 O，[Pd（LI ）Cl] Cl和[Pd（LII ）Cl2 ]的特征在于元素分析，热重分析，电子，ir，1 Hn.mr和e.p.r.光谱学。利用光谱数据解释了LI 和LII 的配体行为。实验性X波段e.p.r.由两种不同的铜（II）离子配位的粉末配合物记录的光谱具有特征性的线形，这些线形表现出围绕顺磁性离子的轴向对称性。理论上拟合得很好的光谱也证明了这种情况。超细信号的缺乏归因于铜电子与相邻N原子的强共价效应。磁性电子的轨道能级由自旋哈密顿量参数确定。各向异性Lande分裂因子的指定顺序为$ {g_ {| |}> g_ {bot}> 2} $，这种情况表明未配对的电子主要位于$ {d_ {x ^ {2} -y ^ {2}}} $轨道中。

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《Transition Metal Chemistry》 |2007年第4期|494-500|共7页
作者
Yasemin Daşdemir Kurt; Bahri Ülküseven; Sadık Güner; Yüksel Köseoğlu;
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Department of Chemistry Istanbul University 34320 Avcilar Istanbul Turkey;

Department of Chemistry Istanbul University 34320 Avcilar Istanbul Turkey;

Department of Physics Fatih University 34500 Büyükçekmece Istanbul Turkey;

Department of Physics Fatih University 34500 Büyükçekmece Istanbul Turkey;

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Copper(II) and palladium(II) complexes of 2-amino-5-chlorobenzophenone and 2-(2-hydroxybenzylidene)amino-5-chlorobenzophenone-S-methyl-thiosemicarbazones

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