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Complexes Of Cobalt Ii And Nickel Ii Salts With 2 3 And 4 Aminobenzonitrile
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Book Synopsis Complexes of Cobalt (II) and Nickel (II) Salts with 2-, 3-, and 4-aminobenzonitrile by : Mbangni Mike Ndefru
Download or read book Complexes of Cobalt (II) and Nickel (II) Salts with 2-, 3-, and 4-aminobenzonitrile written by Mbangni Mike Ndefru and published by . This book was released on 1989 with total page 142 pages. Available in PDF, EPUB and Kindle. Book excerpt: Elemental analysis and other analytical procedures were performed to establish the formulas of the compounds. Heat profiles of the samples were obtained by subjecting (using a differential scanning calorimeter) the samples to a thermal gradient.
Book Synopsis Masters Theses in the Pure and Applied Sciences by : Wade H. Shafer
Download or read book Masters Theses in the Pure and Applied Sciences written by Wade H. Shafer and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 421 pages. Available in PDF, EPUB and Kindle. Book excerpt: Masters Theses in the Pure and Applied Sciences was first conceived, published, and disseminated by the Center for Information and Numerical Data Analysis and Synthesis (CINDAS) * at Purdue University in 1957, starting its coverage of theses with the academic year 1955. Beginning with Volume 13, the printing and dissemination phases of the activity were transferred to University Microfilms/Xerox of Ann Arbor, Michigan, with the thought that such an arrangement would be more beneficial to the academic and general scientific and technical community. After five years of this joint undertaking we had concluded that it was in the interest of all con cerned if the printing and distribution of the volumes were handled by an interna tional publishing house to assure improved service and broader dissemination. Hence, starting with Volume 18, Masters Theses in the Pure and Applied Sciences has been disseminated on a worldwide basis by Plenum Publishing Cor poration of New York, and in the same year the coverage was broadened to include Canadian universities. All back issues can also be ordered from Plenum. We have reported in Volume 34 (thesis year 1989) a total of 13,377 theses titles from 26 Canadian and 184 United States universities. We are sure that this broader base for these titles reported will greatly enhance the value of this important annual reference work. While Volume 34 reports theses submitted in 1989, on occasion, certain univer sities do report theses submitted in previous years but not reported at the time.
Book Synopsis Tertiary Amine Complexes of Cobalt (II) and Nickel (II) Trifluoromethanesulfonates by : Michael Thelen Jansky
Download or read book Tertiary Amine Complexes of Cobalt (II) and Nickel (II) Trifluoromethanesulfonates written by Michael Thelen Jansky and published by . This book was released on 1978 with total page 104 pages. Available in PDF, EPUB and Kindle. Book excerpt: Hydrated cobalt(II) and nickel(II) trifluoromethanesulfonates have been prepared by a previously reported procedure, and have been characterized for the first time as [Co(H2O)6] (CF3SO3)2H2O and [Ni(H2O)6] (CF3SO3)2. These formulations are based on analyses, near-infrared spectra, and on measurements of the ligand field electronic spectra and the magnetic susceptibilities. The metal ions are high-spin and octahedrally coordinated in both compounds. Methods have been developed for the preparation of the pure anhydrous cobalt(II) and the previously unknown nickel(II) trifluoromethanesulfonates from the hydrates. By determination of the d-d spectra and the magnetic moments, these are found to contain high-spin octahedrally coordinated metal cations, and therefore contain coordinated trifluoromethanesulfonate anions. The near-infrared spectral absorptions of these anions have been observed. The magnetic moment reported by previous workers for anhydrous cobalt(II) trifluoromethanesulfonate corresponds to the value found in this work for the hydrate. By vacuum line methods, pressure-composition data have been obtained for the triethylamine-cobalt(II) and nickel(II) trifluoromethanesulfonate systems. Breaks in the 25° isothermal phase diagrams show that very unstable adducts containing two molecules of triethylamine per metal ion are formed in each system. These could not be isolated. Various experimental methods for the preparation of quinuclidine complexes were investigated. The one found to be successful involved mixing, by Schlenk techniques, acetonitrile solutions of the anhydrous metal trifluoromethanesulfonate and of an excess of quinuclidine, evaporating the solvent, and removing the excess quinuclidine by sublimation. The solid complexes obtained in this way were characterized as [Co(QUIN)4] (CF3SO3)2 and [Ni(QUIN)2(CF3SO3)2] by their analyses, ligand field spectra, magnetic moments, and the near-infrared absorptions of the anions. As expected, quinuclidine is found to be a better ligand than its more sterically demanding analogue, triethylamine. The quinuclidine complexes of cobalt(II) and nickel(II) trifluoromethanesulfonates are much more stable. In the case of the cobalt complexes, the metal ion has a greater ligation number for quinuclidine than for triethylamine. In these solid salts and complexes, the trifluoromethanesulfonate ion shows a much greater tendency to coordinate than had been expected, based on a previous study using it in aqueous solution.
Book Synopsis Nickel (II) and Cobalt (II) Complexes with 2,4-pentanedionate and Tetraamine Ligands by : Jeffrey Moler
Download or read book Nickel (II) and Cobalt (II) Complexes with 2,4-pentanedionate and Tetraamine Ligands written by Jeffrey Moler and published by . This book was released on 1982 with total page 136 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Master's Theses in the Natural and Technical Sciences by :
Download or read book Master's Theses in the Natural and Technical Sciences written by and published by . This book was released on 1990 with total page 536 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Coordination Studies of Cobalt (II) and Nickel (II) Complexes of 1, 1, 3, 3-tetramethylurea and 1,1,3, 3-tetramethyl-2 Thiourea by : Thomas Morgan King
Download or read book Coordination Studies of Cobalt (II) and Nickel (II) Complexes of 1, 1, 3, 3-tetramethylurea and 1,1,3, 3-tetramethyl-2 Thiourea written by Thomas Morgan King and published by . This book was released on 1966 with total page 115 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Synthesis and Characterization of Cobalt (II), Nickel (II), and Copper (II) Complexes with 3, 3'-bis(p̲-X-benzoylacetoneiminato)bis(trimethylene)amine Ligands by : Yu-Ying Chen
Download or read book Synthesis and Characterization of Cobalt (II), Nickel (II), and Copper (II) Complexes with 3, 3'-bis(p̲-X-benzoylacetoneiminato)bis(trimethylene)amine Ligands written by Yu-Ying Chen and published by . This book was released on 1979 with total page 128 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis An Investigation of the Nickel(II) and Cobalt(II) Complexes Employing the Pentadentate Ligand Derived from 2-pyridinecarboxaldehyde and Bis(3,3'-aminopropyl)amine by : Carole Thomas Spencer
Download or read book An Investigation of the Nickel(II) and Cobalt(II) Complexes Employing the Pentadentate Ligand Derived from 2-pyridinecarboxaldehyde and Bis(3,3'-aminopropyl)amine written by Carole Thomas Spencer and published by . This book was released on 1971 with total page 194 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Nickel(II) and Cobalt(II) Complexes of Amine N-oxides and Aniline by : David Webb Herlocker
Download or read book Nickel(II) and Cobalt(II) Complexes of Amine N-oxides and Aniline written by David Webb Herlocker and published by . This book was released on 1966 with total page 366 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Electrochemical and Spectroscopic Properties of the Cobalt (III), Nickel (II), Copper and Zinc (II) Complexes of 4-amino-1, 2-phenylenebis (salicylidineimine) Hydrochloride by : Craig S. Leasure
Download or read book Electrochemical and Spectroscopic Properties of the Cobalt (III), Nickel (II), Copper and Zinc (II) Complexes of 4-amino-1, 2-phenylenebis (salicylidineimine) Hydrochloride written by Craig S. Leasure and published by . This book was released on 1984 with total page 102 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Relaxation Spectra of Some Nickel (ii) and Cobalt (ii) Complexes by : Gordon G. Hammes
Download or read book Relaxation Spectra of Some Nickel (ii) and Cobalt (ii) Complexes written by Gordon G. Hammes and published by . This book was released on 1962 with total page 5 pages. Available in PDF, EPUB and Kindle. Book excerpt: The rate constants for the formation and dis sociation of Ni(II) and Co(II) complexes with one, two and three glycine, diglycine, or imida zole molecules were determined by the temperature jump technique. The approximate time scale of the reactions studied ranged from 0.1 to 500 msec. The rate-determining step of the complex building reaction, following initial formation of an ion pair, is the dissociation of a water molecule from the inner hydration sphere of the metal ion. The measured rate constants can be normalized with respect to electrostatic and steric factors by dividing out the calculated ion-pair equilibrium constant. The rate constant of dissociation thus obtained is characteristic of a given metal ion, and, in nearly all the re actions studied, was 20 to 25 times greater for Co(II) than for Ni(II). The difference in acti vation energies corresponding to this rate ratio is of the order of magnitude predicted on the basis of crystal-field theories. For glycine, these normalized rate constants tend to increase in reactions involving the higher complexes, in dicating a loosening of the hydration shell due to the fact that the glycine is bound to the metal via the negatively charged carboxyl group. These rate constants are independent of the number of ligands bound if the bonding takes place via uncharged groups. (Author).
Book Synopsis 1,2-bis(substituted)-o-carborane Complexes. Ii. Nickel(ii) and Cobalt(ii) Complexes Derived from the Ligand 1,2-bis(mercapto)-o-carborane by : H. D Smith (Jr)
Download or read book 1,2-bis(substituted)-o-carborane Complexes. Ii. Nickel(ii) and Cobalt(ii) Complexes Derived from the Ligand 1,2-bis(mercapto)-o-carborane written by H. D Smith (Jr) and published by . This book was released on 1967 with total page 21 pages. Available in PDF, EPUB and Kindle. Book excerpt: Some nickel(II) and cobalt(II) salts have been found to react readily with 1,2-bis(mercapto)-o-carborane in the presence of stabilizing phosphorous ligands or the tetraethylammonium cation to yield square planar MS2P2 and MS4(2) complexes. Electronic spectra of the nickel complexes are discussed. (Author).
Download or read book Indian Journal of Chemistry written by and published by . This book was released on 1964 with total page 570 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Main Group Metal Coordination Polymers by : Ali Morsali
Download or read book Main Group Metal Coordination Polymers written by Ali Morsali and published by John Wiley & Sons. This book was released on 2017-02-03 with total page 262 pages. Available in PDF, EPUB and Kindle. Book excerpt: Coordination polymer is a general term used to indicate an infinite array composed of metal ions which are bridged by certain ligands among them. This incorporates a wide range of architectures including simple one-dimensional chains with small ligands to large mesoporous frameworks. Generally, the formation process proceeds automatically and, therefore, is called a self-assembly process. In general, the type and topology of the product generated from the self-assembly of inorganic metal nodes and organic spacers depend on the functionality of the ligand and valences and the geometric needs of the metal ions used. In this book the authors explain main group metal coordination polymer in bulk and nano size with some of their application, synthesis method and etc, The properties of these efficient materials are described at length including magnetism (long-range ordering, spin crossover), porosity (gas storage, ion and guest exchange), non-linear optical activity, chiral networks, reactive networks, heterogeneous catalysis, luminescence, multifunctional materials and other properties.
Download or read book Physics Briefs written by and published by . This book was released on 1991 with total page 1280 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Journal by : American Chemical Society
Download or read book Journal written by American Chemical Society and published by . This book was released on 2004 with total page 1042 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Chemical Abstracts written by and published by . This book was released on 2002 with total page 2720 pages. Available in PDF, EPUB and Kindle. Book excerpt:
