Catalytic reduction of alpha,omega-dihaloalkanes, X(CH2)mX (X = Cl, Br, or I and m + 2-8), by electrochemically generated C(sub 70)(super n-) (n = 2 or 3) in benzonitrile solutions

Article Abstract:

A cyclic voltammetry study indicated that Carbon(sub 70)(super n-) (n = 2 or 3) that was electrochemically produced in 0.1 M tetra-n-butylammonium hexafluorophsophate benzonitrile catalyzes the dehalogenation of alpha,omega-dihaloalkanes, X(CH2)mX (X = Cl, Br, or I and m + 2-8). The values of the second-order rate constant, k, were found to increase in the order Cl < Br < I for the examined 1,2-dihaloethanes. The k values were observed to decrease as the number of carbon atoms of the alkyl chain for the examined series of alpha,omega-dihaloalkanes decreases.

Usage, Alkanes, Voltammetry, Anions

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Aggregation of fullerene, C60, in benzonitrile

Article Abstract:

A study was conducted to analyze the aggregation of fullerene C60 in benzonitrile. A pump-probe spectrometer was utilized to perform the picosecond laser flash photolysis. The Shimadzu UV-160A spectrophotometer was utilized to determine ground state optical absorption measurements. Experimental results indicated that changes in the absorption features and deviation from linearity correlated with the aggregation of C60.

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Theoretical studies of Benzonitrile at the Si (100)-2x1 surface

Article Abstract:

The ab initio calculations on benzonitrile at the Si (100)-2x1 surface are carried out and the subsequent effects are investigated. The calculations illustrate that C equiv N [2+2] cycloaddition is the selective pathway for chemisorbed benzonitrile at the Si (100)-2x1 surface.

Science & research, Chemistry, Analytic, Analytical chemistry, Benzonatate

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