| Packing and hole filling | Ionic Structure | Key Example & Cation:Anion coordination |
| Primitive cubic arrangement of anion with cation in centre | |
| CCP anion, all octahedral holes filled by cation | |
| HCP anion, all octahedral holes filled by cation | |
| CCP anion, all one type of tetrahedral holes (i.e. half) filled by cation | |
| HCP anion, all one type of tetrahedral holes (i.e. half) filled by cation | |
| CCP anion, all one type of tetrahedral holes (i.e. half) filled by cation | |
| CCP cation, all one type of tetrahedral holes (i.e. half) filled by anion | |
| CCP anion, all octahedral and tetrahedral holes filled by cation | |
| | Packing and hole filling | Ionic Structure | Key Example & Cation:Anion coordination |
| CCP anion, alternate layers of octahedral holes filled full or empty (i.e. half) by cation | |
| HCP anion, alternate layers of octahedral holes filled full or empty (i.e. half) by cation | |
| CCP anion, half octahedral holes filled in ordered framework by cation | |
| HCP anion, half octahedral holes filled in ordered framework by cation | |
| CCP anion, alternate layers of octahedral holes filled 2/3 full or empty (i.e. 1/3) by cation | |
| HCP anion, alternate layers of octahedral holes filled 2/3 full or empty (i.e. 1/3) by cation | |
| Primitive cubic arrangement of anion, cation on all edges | |
| Primitive cubic arrangement of small cation, oxygen on edges and larger cation in centre | |
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