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Solid state VI
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Analysis of cubic systems

Shaillee Kaushal is teaching live on Unacademy Plus

Shaillee Kaushal
Faculty in Chemistry with a teaching experience of 14 years. Specialised in teaching for boards and competitions.

Unacademy user
Mercy Mousumi Takri
10 months ago
thanks dilip watch and like my other courses.
  1. XII 01 Solid State V

  2. Nearest neighbour distance:- Simple Cubic D a R a/2

  3. Face centred cubic:- Nearest neighbours distance is AO AC2 AB2 + BC2 2 AC-12.a Now AOAC 2 2.a V2.aa 2 2v2

  4. Body centred Nearest neighbour distance is AO a2 + 2a2 AD 3.a d-AD/2 3/2.a r-d/2 3/4.a

  5. Co-ordination number It is defined as the number of nearest neighbors an atom has in a unit cell Simple cubic structure - co-ordination number is 6 Face centered cubic - co-ordination number is 12 Body centered cubic structure co-ordination number is 8