Electric Literature of 1941-30-6, The reaction rate of a catalyzed reaction is faster than the reaction rate of the uncatalyzed reaction at the same temperature.1941-30-6, Name is Tetrapropylammonium bromide, molecular formula is C12H28BrN. In a Article£¬once mentioned of 1941-30-6
Apparent and Partial Molal Volumes of Selected Symmetrical Tetraalkylammonium Bromides in 2-Methoxy-1-ethanol at 25 deg C
The apparent and partial molal volumes of six symmetrical tetraalkylammonium bromides, R4NBr (R = C2H5 to C7H15) in 2-methoxy-1-ethanol (ME) have been determined at 25 deg C.The limiting apparent molal volumes (Theta0V) and the experimental slopes (S0V) have been interpreted in terms of ion-solvent and ion-ion interactions, respectively.Use has been made of the nonthermodynamic, so-called extrapolation method to split the limiting apparent molal volumes into ionic contributions.The <*>V0R4NX values in 2-methoxy-1-ethanol are found to be almost similar to those in other organic solvents examined and differ greatly from the values in water and heavy water solutions.The ion-solvent interaction effect, as estimated by the combination of the viscosity Bion values with <*>V0ion values, indicates that these ions may be classified as ‘structure breakers’ in this solvent medium.
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Reference£º
Metal catalyst and ligand design,
Ligand Template Strategies for Catalyst Encapsulation – NCBI