The use of conductivity measurements in organic solvents for the characterisation of coordination compounds

Metal Complexes of Schiff Bases and β-Ketoamines

Publisher Summary There have been many reviews and books on electron spin resonance (ESR) and several on transition metal ions. Many of these publications have been written by physicists or theoreticians and are very comprehensive. This review is aimed at inorganic chemists, who have had no experience relating to electron spin resonance and who are becoming more and more likely either to use the technique or to need to appreciate the significance of the information available from the technique. The first part of the review gives an elementary account of the relevant theory. There are many good books for further reading for the inorganic chemist, who wishes to go deeper into the subject. The second part of the review is a comprehensive survey of the results of ESR studies on compounds of transition elements. Inevitably, there has had to be some selection of material, and the criteria for inclusion or rejection has been based upon the likely interest of an inorganic chemist might have in the species. This is particularly in the areas, where there is a lot of related work, e.g., the Mn2+ host-lattice data. In the case of copper dg complexes, there has been much duplication of work and papers devoted to the spectra of complexes where a minor substitutive change has been made to a bulky organic ligand.

Electron Spin Resonance of Transition Metal Complexes

Metal 1,2-Dithiolene and Related Complexes

Die Reaktion von Schwefelkohlenstoff mit Natrium oder Kalium fuhrt zur Bildung aquimolarer Mengen von 1.3-Dithiol-2-thion-4.5-dithiolat (1) und Trithiocarbonat. Durch Zugabe von ZnCl2 und NEt4Br last sich (1) stabilisieren. Der entstehende Zink-Komplex ermoglicht die Herstellung von 4.5-Bis(benzoylthio)-1.3-dithiol-2-thion (10), woraus durch Umsetzung mit Basen (1) in quantitativer Ausbeute wieder entsteht. Die Alkylierung von (1) fuhrt zu 4.5-Bis(alkylthio)-1.3-dithiol-2-thionen. (1) is ein neuer, schwefelreicher 1.2-Dithiolat-Ligand. Die Kristallstruktur des Bis-Chelates von (1) mit Ni(II) als (n-Bu4N)2-Salz bestatigt die fur (1) angenommene Struktur. The reaction of carbon disulfide with sodium or potassium in dimethyl formamide yields 1,3-dithiole-2-thione-4,5-dithiolate (1) and trithiocarbonate in equimolar amounts. (1) was stabilized by addition of ZnCl2 and NEt4Br. The resulting zinc complex enables the isolation of 4,5-bis(benzoylthio)-1,3-dithiole-2-thione (10). (1) can be recovered from...

1.3-dithiol-2-thion-4.5-dithiolat aus schwefelkohlenstoff und alkalimetall

Electron Paramagnetic Resonance Studies of the Electronic Structures of Bis(maleonitriledithiolato)copper(II), -nickel(III), -cobalt(II), and -rhodium(II) Complexes

The Preparation and Characterization of Four-Coordinate Complexes Related by Electron-Transfer Reactions

Synthetic and Electron Spin Resonance Studies of Six-Coordinate Complexes Related by Electron-Transfer Reactions

Stable dimethyl, methyl, and unsubstituted vinylidene complexes

E.s.r. Studies of Four-Coördinate Complexes of Nickel, Palladium and Platinum Related by Electron Transfer Reactions

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