Structure of crystals

  1. What would be the structure of the crystal if rc/ra=1? hexagonal closed packed or anything else?

    What would be the structure of the crystal if rc/ra< .23 ?

    What would be the structure of the crystal if rc/ra>1 ?
     
  2. jcsd
  3. PS: rc=radius of cation
    ra=radius of anion

    And I am not talking about crystal lattice... That is cubic here I think...
    I am talking about co ordination of the crystal molecules,atoms,ions...
     
  4. no one seems interested?
     
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