Synthesis, spectral characterization, optical properties and X-ray structural studies of S centrosymmetric N2S2 or N2S2O2 donor Schiff base ligand and its binuclear transition metal complexes
作者:O.A. El-Gammal、D.A. Saad、A.F. Al-Hossainy
DOI:10.1016/j.molstruc.2021.130974
日期:2021.11
and its metal complexes with Co (II), Ni (II), Cu (II), and Zn (II) ions. The isolated complexes were characterized by conventional spectroscopic (IR, UV-visible, ESR, 1H, 13C-NMR, and mass), elemental analysis, and magnetic as well as thermal measurements. H2TTAH binds either as neutral tetra-dentate and mono- or dibasic NNOOSS hexadentate coordinating two metal ions. The metal complexes afforded the
合成了一种新的螯合物,即 2,2'-硫代双(N\-噻吩-2-基亚甲基)乙酰肼) (H 2 TTAH) 及其与 Co (II)、Ni (II)、Cu (II) 和Zn (II) 离子。分离的配合物通过常规光谱(IR、UV-可见光、ESR、1 H、13 C-NMR 和质量)、元素分析、磁以及热测量表征。H 2 TTAH 以中性四齿和单或二元 NNOOSS 六齿配位两种金属离子的形式结合。金属络合物的分子式为:[Cu 2 (TTAH)Cl 3 (C 2 H 5 OH) 3 ]0.5C 2 H 5 OH.H2 O (1) , [Co 2 (TTAH)(C 5 H 5 N)]Cl 2 .2.5C 2 H 5 OH (2) , [Ni 2 (TTAH)(C 5 H 5 N) 2 (OH) 2 (C 2 H 5 OH) 2 ] (3)和 [Zn 2 (TTAH) 2 )(OH) 4 (C 5 H 5 N)