Metal transition complexes of tridentate Schiff base ligands derived from 2-hydrazinopyridine: synthesis, spectroscopic characterization and X-ray structures
Transition Metal Chemistry, ISSN: 1572-901X, Vol: 44, Issue: 5, Page: 415-423
2019
- 3Citations
- 4Captures
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Article Description
Mononuclear complexes of 1-(pyridin-2-ylmethylidene)-2-(pyridin-2-yl)hydrazine (HL) and 1-(pyridin-2-yl)-2-(1-(pyridin-2-yl)ethylidene)hydrazine (HL), [Mn(HL)(Cl)(HO)] (1), [Zn(HL)(CHCOO)]·(HO) (2), [Mn(HL)]·(ClO) (3) and [Cu(HL)(NO)(HO)] (4) were synthesized and characterized by physicochemical and spectroscopic methods and X-ray structure determination. The mononuclear compounds 1, 2 and 4 contain one ligand molecule per metal atom while the manganese (II) atom in compound 3 is coordinated to two ligand molecules. Both ligands coordinated to the transition metal center in a tridentate fashion through two N atoms and one N atom. The chloride and acetate anions coordinate in monodentate manner, respectively, in complex 1 and in complex 2. In complex 3, the perchlorate groups remain uncoordinated. In complex 4, the nitrate anions act in unidentate fashion. The molar conductance value indicates that the complexes obtained from HL are non-electrolytes while those obtained from HL are 2:1 electrolytes in DMF solutions. The X-ray structures reveal octahedral geometry for complexes 1, 3, 4 and trigonal bipyramidal environment for 2.
Bibliographic Details
http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=85065203015&origin=inward; http://dx.doi.org/10.1007/s11243-019-00317-3; http://link.springer.com/10.1007/s11243-019-00317-3; http://link.springer.com/content/pdf/10.1007/s11243-019-00317-3.pdf; http://link.springer.com/article/10.1007/s11243-019-00317-3/fulltext.html; https://dx.doi.org/10.1007/s11243-019-00317-3; https://link.springer.com/article/10.1007/s11243-019-00317-3
Springer Science and Business Media LLC
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