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Showing 1 to 20 of 20 for “"structural chemistry"”.
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Structural Chemistry of Silicon Phthalocyanines
Structures of a number of silicon phthalocyanines have been investigated using both experimental and theoretical methods. Single crystal structures have been determined for some of these silicon phthalocyanines. Various theoretical methods, including the density functional theory (DFT), …
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Structural Chemistry of Cesium Trihalo Transition-Metal Compounds
Made available in DSpace on 2014-12-10T23:01:22Z (GMT). No. of bitstreams: 1 7219869.pdf: 3313756 bytes, checksum: 0fcdce760656ff348069e2f26ad00bb0 (MD5) Previous issue date: 1972
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Structural Chemistry of Group Ii and Iii Organometallic Complexes
Made available in DSpace on 2014-12-09T17:36:16Z (GMT). No. of bitstreams: 1 6910779.pdf: 4779374 bytes, checksum: 6b2d481edbed9e2ed331c9bcdef8d836 (MD5) Previous issue date: 1968
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Method Development for the Application of Vibrational Spectroscopy to Complex Organic-Inorganic Materials in Astrobiology. A Systematic Development of Raman Spectroscopy and Related Analytical Methods to the Structural Chemistry at Organic (Biological) and Inorganic (Mineralogical) Interfaces of Material Assemblies Relevant to Astrobiology and Inter-Planetary Science.
… spectroscopic methodology which can provide structural information about the organic–inorganic interface. The development of this methodology identified a surface enhanced Raman spectroscopic technique, that required minimal sample preparation, allowed for the detection of selected organic …
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Design and Synthesis of Solid State Materials Constructed from Polyoxomolybdate Clusters
… aid in the ability to control and predict their structural chemistry.</p> <p>The analysis of a number of structural determinants in the oxomolybdenum-organodiphosphonate system aims to expand the current knowledge of this family of materials. We have focused on variables such as: the organic …
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Protein deposition at polymer surfaces:the bulk and surface structure-property effects of hydrogels
… properties of the hydrogels, with regard to the structural chemistry of their component monomers. The bulk properties of the hydrogels were established using equilibrium water content measurements, together with water-binding studies by differential scanning calorimetry (D.S.C.). Hamilton and …
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LEEDS studies of adsorbate-induced reconstruction of metal surfaces
… identified to develop some principles of surface structural chemistry and to relate these principles to the broader framework of structural chemistry. For the Ni(111)-(2x2)-0 structure, oxygen atoms chemisorb on 3-fold hollow sites which continue the fcc stacking of the nickel substrate. Top-layer …
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In Silico Classification of Industrial Chemicals Associated with Acute Aquatic Toxic Action Utilising Molecular Initiating Events
… Utilising the MIE allowed direct linkage between structural chemistry responsible for toxicity and the adverse outcome. Other considerations included information on the MIE target structure, i.e. the interaction, associated chemistry, taxonomic applicability and the sources and type of data (e.g. …
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Hydrothermal Chemistry of the M(I,II)/PAHA/Anion System
… understanding of the principles which render the chemistry more controllable and predictable. In addition, this research investigates the development of properties in these classes of compounds. Furthermore, it has been demonstrated that hydrothermal reaction conditions of stoichiometry, pH, and …
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The Physico-chemical Nature of the Chemical Bond: Valence Bonding and the Path of Physico-chemical Emergence
Through the development of physical chemistry and chemical physics over the late-nineteenth and early-twentieth centuries, the relationship between physics and chemistry changed to create a broad interdisciplinary framework in which chemists and physicists could make contributions to problems of …
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The synthesis and characterization of new sulfoxide complexes of ruthenium and their potential as anti-cancer agents
… Ru(II)-sulfoxide-nitroimidazole complexes. The structural chemistry and spectroscopic data of Ru/DMSO/TMSO complexes are reviewed. RuCl₂(TMS̲O)₄, previously assigned a Trans geometry, is shown to be cis; two crystal forms are characterized crystallographically. Two bromo-Ru(II) complexes of …
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New Developments in the Crystal Chemistry of Selected Borophosphates and Phosphates
… their interesting contributions to borophosphate structural chemistry. The mild hydrothermal method was employed for the syntheses. During the investigation of borophosphates containing alkali–metals and scandium, the following three compounds were prepared and structurally characterized: …
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Synthesis of multicomponent heavy alkali metal amide systems and extensions to zirconium chemistry
… Lewis base donor ligand, taking on different structural guises depending on the denticity of the ligand of choice. This topic is currently a hot topic in organometallic chemistry, being lithium amide congeners have already been characterised. This study allows a deep examination of these …
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Effects Of Calcium Addition On Structure And Bioavailability Of Soil Organic Matter
… matter and soil microbes, I characterized the structural chemistry of soil organic matter (SOM) and its hot-water extractable organic matter (HWEOM) fraction for Hubbard Brook soils and studied the changes in the structure of SOM and HWEOM after short- and long-term calcium amendment. I found …
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Pnictide und Oxopnictate der schweren Alkalimetalle : Darstellung, Charakterisierung und Kristallchemie
Die Dissertation beschäftigt sich mit der Synthese sowie <br>der strukturellen und spektroskopischen Charkaterisierung <br>neuer Alkalimetallpnictide AxMy und - pnictate AxMyOz. <br> <br>Zahlreiche bisher lediglich aus thermischen Untersuchungen bekannte <br>(z.B. A3M7, A3M11) <br>sowie einige neue …
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Synthesis and characterization of ceramics in the Ti-B-N-C system
… The aim of the project is to study the physical chemistry of carbothermic reduction for the production of pure nonoxide ceramic powders and also for the in-situ formation of ceramic/ceramic partially-densified composites. The thermodynamic and kinetic factors that govern the phase constituents …
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Tetrelide, Tetrelate und Tetrelid-Tetrelate der schweren Alkalimetalle - Synthese, Charakterisierung und Kristallchemie
In dieser Arbeit wird eine neue Substanzklasse vorgestellt. Aufgrund der Ergebnisse struktureller und spektroskopischer Untersuchungen an Einkristallen und Pulvern können die Vertreter dieser Substanzklasse als Alkalimetall-Tetrelid-Tetrelate bezeichnet werden. In ihnen liegen Elemente der IV. …
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Extending the Boundaries of the Usage of NMR Chemical Shifts in Deciphering Biomolecular Structure and Dynamics
… to their non-trivial dependence on myriads of structural and environmental factors. Although such complex dependence creates an initial barrier for their use for the characterisation of the structures of protein and nucleic acids, recent developments in prediction methodologies and their …
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Borophosphate der Haupt- und Nebengruppenmetalle: Synthese, Charakterisierung und Strukturchemische Klassifizierung
Es werden neue Erkenntnisse über Borphosphat und Borophosphate der Haupt- und Nebengruppenmetalle vorgestellt. Neben Hydrothermalsynthesen und Feststoffreationen, die üblicherweise zur Synthese von Borophosphaten angewendet werden, haben insbesondere die solvothermalen Experimente mit Alkoholen …