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Thermal studies on solid complexes of saccharin with divalent transition metal ions
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In this article, the thermal decomposition of saccharin was studied in static air atmosphere and the final decomposition products were identified by XRPD as the respective metal oxides and the kinetic parameters, such as the order of reaction and energy of activation for the dehydration stage, were evaluated and the thermal stabilities of the complexes were discussed.Abstract:
The thermal decompositions of Mn(II), Fe(II), Co(II), Ni(II), Cu(II) and Zn(II) complexes of saccharin were studied in static air atmosphere. All of the complexes contain four molecules of coordination water and two molecules of crystallization water. The water molecules were removed in a single stage, except from the Zn(II) complex, which exhibited two endothermic effects. The dehydration process was usually accompanied by a sharp colour change. The anhydrous complexes exhibited a phase transition and the decomposition or combustion of saccharin occurred in the second and subsequent stages. The final decomposition products were identified by XRPD as the respective metal oxides. The kinetic parameters, such as the order of reaction and energy of activation for the dehydration stage, were evaluated and the thermal stabilities of the complexes are discussed.read more
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Metal complexes of saccharin
TL;DR: In this paper, a wide variety of metal species based on mononuclear, binuclear, polynuclear complexes and extended coordination polymers are discussed in relation to the coordination modes of the anion, i.e., monodentate (through the N-atom or the carbonylic O-atom), bidentate, tridentate or bridge forming.
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Synthesis and characterization of bis (nicotinamide) m -hydroxybenzoate complexes of Co(II), Ni(II), Cu(II) and Zn(II)
Dursun Ali Köse,Hacali Necefoğlu +1 more
TL;DR: The mixed-ligand m-hydroxybenzoate complexes of Co(II), Ni(II, Cu(II) and Zn(II)-with nicotinamide were synthesized and characterized in this paper.
Journal ArticleDOI
Platinum(II) and palladium(II) saccharinato complexes with 2,2′:6′,2″-terpyridine: Synthesis, characterization, crystal structures, photoluminescence and thermal studies
TL;DR: In this article, a tridentate terpy ligand together with an N-coordinated sac ligand form the square-planar geometry around the palladium(II) or platinum(II), while one sac anion remains outside the coordination sphere as a counterion.
Journal ArticleDOI
Different coordination modes of saccharin in the metal complexes with 2-pyridylmethanol: synthesis, spectroscopic, thermal and structural characterization
TL;DR: In this article, the reaction of [M(sac)2(H2O)4]·2H 2O with 2-pyridylmethanol (mpy) resulted in the formation of the new complexes, which have been characterized by elemental analyses, magnetic measurements, FT-IR spectroscopy, thermal analysis and X-ray diffraction methods.
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Bis(saccharinato)palladium(II) and platinum(II) complexes with 2,2′-bipyridine: Syntheses, structures, spectroscopic, fluorescent and thermal properties
TL;DR: In this paper, the structures of the DMSO solvated complexes are determined by X-ray diffraction, and the metal ions are coordinated by two N-bonded sac ligands and two nitrogen atoms of pyridyl groups of bpy in a cis fashion.
References
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Encyclopedia of Chemical Technology
TL;DR: Encyclopedia of Chemical Technology The Third Edition of the Encycled encyclopedia of chemical technology as mentioned in this paper is built on the solid foundation of the previous editions of the encyclopedia, which has been updated and updated and many new subjects have been added to reflect changes in chemical technology through the 1970s.
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The Application of Thermoanalytical Techniques to Reaction Kinetics: The Thermogravimetric Evaluation of the Kinetics of the Decomposition of Calcium Oxalate Monohydrate
Eli S. Freeman,Benjamin Carroll +1 more
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New Perspectives on the Essential Trace Elements.
TL;DR: The properties of essential trace and ultratrace elements and their operation in biochemical processes were discussed at the "State of the Art Symposium: Bioinorganic Chemistry", held at the ACS meeting, Miami, 1985.