Abrupt structural transformation in hydrotalcite-like compounds Mg(sub 1-x)Al(sub x)(OH)(sub 2)(NO3)(sub x).nH2O as a continuous function of nitrate anions

Article Abstract:

A systematic XRD/FTIR/CHN/ICP investigation for the structural transformation of hydrotalcite-like compounds Mg(sub 1-x)Al(sub x)(OH)(sub 2)(NO3)(sub x).nH2O as a continuous function of nitrate anions is presented. The abrupt structural changes could be caused due to the drastic change in nitrate anion arrangement even though the nitrate anion maintains its D3h symmetry.

All Other Basic Inorganic Chemical Manufacturing, Industrial inorganic chemicals, not elsewhere classified, Magnesium Compounds, Thermal properties, Anions, Magnesium trisilicate, Atomic properties

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Structural, bonding and electrochemical properties of perfluorinated fullerene C70

Article Abstract:

The synthesis and the associated structural, bonding and electrochemical properties of perfluorinated fullerene C70, at the molecular level and for the bulk material are described. Expansion of the carbon frame, the elongation of the resulting C-F bond, and the presence of an ionocovalent nature could be attributed to fluorination.

Electric properties, Carbon compounds, Chemical properties, Fullerenes

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Solid-state NMR [(super 19)F and (super 13)C] study of graphite monofluoride (CF)n: (super 19)F spin-lattice magnetic relaxation and (super 19)F/(super 13)C distance determination by Hartmann-Hahn cross polarization

Article Abstract:

A study on graphite monofluoride (CF)n by solid-state NMR is presented. It concluded the presence of a molecular motion with activation energy of 1.685 kJ.mol(super -1) (202.7 K).

Usage, Nuclear magnetic resonance, Magnetic properties, Fluorides, Graphite

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