New method for the determination of the stability constants of coordination compoundsA method for the determination of the stability constants of very stable complexes of a metal with a ligand has been developed
The total ionic strength range of the solutions are 0.06-4.0mol dm3 and pH = 45. The thermodynamic stability constants CuS04 were obtained by a polynomial approximation based on Pitzer's theory. Finally, the standard free energies of transfer of the coordination reaction, G°, from pure water...
Thus by knowing the value of [M], [L] and [ML n ] the value of K, stability constant of the complex ML n , can be computed. Section C Stability constants of metal complexes Synthesis and characterization of some transition metal complexes 200 The knowledge of stability constant is...
In such systems, the experimental NMR coupling constants (Jobs) or chemical shift (δobs) values measured for a molecule in fast interconversion between two conformers A and B are given by the weighted averages of the coupling constant (JA, JB) and chemical shift values (δA, δB) for ...
where v is the vibration frequency, k is the force constant, and u is the reduced mass, the substitution of an atom by its heavier isotope requires a higher activation energy for bond dissociation. Therefore, it is anticipated that deuterium substitution could enhance the intrinsic stability of ...
possibility of formation of layered 2D structures. The requirement of good spacer cation solubility is also important for the formation of good quality 2D perovskite, while high dielectric constant is desirable to reduce quantum and dielectric confinement60. In addition, although structure-property ...
The HYPERQUAD44 program was employed for the overall formation constant (β) calculations, referred to the following equilibrium equation: pM + qL + rH ⇆ MpLqHr (charges omitted; p is 0 in the case of ligand protonation; r can be negative). The computed standard deviations ...
One challenge remaining in the development of Ir-based electrocatalyst is the activity-stability paradox during acidic oxygen evolution reaction (OER), especially for the surface reconstructed IrOx catalyst with high efficiency. To address this, a phase
The most important characteristics of such a sensor are the molar absorption coefficient and the metal–ligand complex dissociation constant. However, it must be remembered that these values are dependent on the specific experimental conditions (e.g. pH, solvent components, and reactant ratios). If...
TSA refers to the process in which the adsorbent adsorbs at room temperature or low temperature and desorbs at high temperature under the condition of constant pressure [78]. This process usually requires high desorption temperatures, which will increase the energy consumption during CO2 capture. A...