Compute the atomic packing factor for cesium chloride using the ionic radii in Table 12.3 and assuming that the ions touch along the cube diagonals.
Table 12.3 Ionic Radii for Several Cations and Anions for a Coordination Number of 6
Cation | Ionic Radius (nm) | Anion | Ionic Radius (nm) |
Al3+ | 0.053 | Br– | 0.196 |
Ba2+ | 0.136 | Cl– | 0.181 |
Ca2+ | 0.100 | F– | 0.133 |
Cs+ | 0.170 | I– | 0.220 |
Fe2+ | 0.077 | O2- | 0.140 |
Fe3+ | 0.069 | S2- | 0.184 |
K+ | 0.138 |
|
|
Mg2+ | 0.072 |
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Mn2+ | 0.067 |
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Na+ | 0.102 |
|
|
Ni2+ | 0.069 |
|
|
Si4+ | 0.040 |
|
|
Ti4+ | 0.061 |
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