Keywords: Square planar radius quotient.png en Square planar coordination polyhedron for the calculation of the critical radius ratio r<sub>c</sub>/r<sub>a</sub> above which the square planar coordination isn't stable anymore r<sub>c</sub> and r<sub>a</sub> are the ionic radii of the central cation and of the ligands anions respectively own Perditax 2010-12-04 Molecular geometry |