Free and zeolite-supported hexarhodium clusters with light impurity atoms

Article Abstract:

The effect of hydrogen, carbon, and oxygen impurity atoms on the structure of gas-phase and zeolite supported Rh6 clusters is discussed computationally with a gradient-corrected density functional method. Analyzation of the charge distribution of neutral and ionic clusters found that the C and O impurity atoms effect the electron density distribution on the Rh framework in different ways.

All Other Basic Inorganic Chemical Manufacturing, Industrial inorganic chemicals, not elsewhere classified, Zeolites, Analysis, Carbon, Structure, Ionic crystals

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Molecular mobility in supercooled trehalose

Article Abstract:

The molecular mobility of amorphous anhydrous trehalose (C12H22O11) was investigated by means of temperature-modulated differential scanning calorimetry (TMDSC) and dielectric analysis (DEA).Several peculiar dynamic features of anhydrous supercooled trehalose, regarding both the main and secondary relaxation processes is revealed.

Usage, Chemistry, Analytic, Analytical chemistry, Calorimetry

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