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NaCl Unit Cell The radii of the ions is: r Na+ = 0.95 Е and r Cl-= 1.81 Е. Since the sodium ion is 52.5% the size of the chloride ion, we can predict that the chloride ions will occupy the lattice ...
The diagram shows both a unit cell with ion locations indicated (a) and a space filling model (b) of ionic hard spheres. The cohesive energy of NaCl is - 7.90 eV, with a Coulomb contribution of -8.85 ...
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