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calculate the number of next neighbours of Cs^+ in a lattice of cscl

calculate the number of next neighbours of Cs^+ in a lattice of cscl

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1 Answers

Sudheesh Singanamalla
114 Points
11 years ago

the given lattice is of CsCl

2217_16302_cscl_complex_motif.gif

We can see the following from the structure :

1. In this structure , the Cl- ions are at the corners of a cube whereas the Cs+ ions are at the centre of the cube or vice versa.

2. This structure has an 8:8 coordination number , i.e each Cs+ ion is touching eight Cl- ions and each Cl- ion is touching 8 Cs+ ions.

 

so the number of next neighbours of Cs+ in CsCl = 8 (it is surrounded by 8 Cl- ions)

 

Please approve !

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