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This book deals with some modern methods used in the synthesis and characterization of transition metal complexes. It is written primarily to stimulate the interest of students in metallo-organic chemistry and spectroscopy as well. The book is contained much useful spectral data in the form of tables and spectra. It contains a number of electronic, IR and EPR spectra, so the reader who is not familiar with these techniques can see how the spectra actually appear. It begins with a general introduction of applications of transition metal complexes in different fields. In subsequent chapters the detailed study regarding the synthesis and physicochemical characterization of bivalent transition metal ions [Cr(III), Mn(II), Co(II), Ni(II) and Cu(II)] complexes derived from 2-methylcyclohexanone semicarbazone and thiosemicarbazone using modern techniques like elemental analysis, magnetic moments and conductance measurements and spectroscopic (Electronic, IR, EPR ) studies is discussed. The geometry of synthesized complexes is emphasized. The book is intended to be useful to new metallo-organic researchers.
This book, which is characterized by many novel interesting and useful features of approach and presentation. The objectives are listed at the beginning of chapter. The contents of each chapter are presented in a clear, accurate and balance view of inorganic chemistry. This book not only fulfils the requirements of the new synthesis but also caters to the students who would like to delve deeper into the subject. It convinces the researchers that there is more to inorganic chemistry than equations!
The role of bulky tin ligands in the stabilization of transition metal complexes with electronic unsaturation has been studied to understand the mode of binding of small molecules at an unsaturated metal center. We were able to isolate electronically unsaturated Pt-Sn bimetallic complexes effective in the reversible activation of small molecules including CO, H2, C2H4, and NH3 at room temperature. We have examined the effect of the modification of ligands in Pt-Sn bimetallic complexes for the activation of small molecules and have observed that the Pt(SnBut3)2(CNBut)2 bimetallic complex reversibly activates hydrogen at room temperature both in the solid state and in solution. Similarly, we have also prepared bimetallic Pt-Sn complexes with an NHC carbine ligand which were also shown to activate hydrogen and alkenes reversibly. A bimetallic Fe-Sn cluster complex, Fe2 ([mu]-SnBut2)2(CO)8, was synthesized from the reaction of But3SnH with the Fe2(CO)9 and shown to be selective at activating the benzylic C-H bond of alkylaromatic solvent molecules. The new complexes containing tin have been characterized spectroscopically to gain an insight into the reaction mechanism involved in small molecule activation.