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In the structure of diamond, carbon atom...

In the structure of diamond, carbon atoms appear at

A

`0, 0, 0`, and `(1)/(2), (1)/(2), (1)/(2)`

B

`(1)/(4), (1)/(4), (1)/4`, and `(1)/(2), (1)/(2), (1)/(2)`

C

`0, 0, 0`, and `(1)/(4), (1)/(4), (1)/(4)`

D

`0, 0, 0`, and `(3)/(4), (3)/(4), (3)/(4)`

Text Solution

Verified by Experts

The correct Answer is:
A
The space lattice of diamond is `fcc`. The primitive bassis has two identical atoms at `0,0,0` and `1/4,1/4,1/4` associated with each point of the fcc lattice as shown in the figure.
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Knowledge Check

  • In the crystal lattice of diamond carbon atoms adopt

    A
    fcc arrangement along with occupancy of `50%` lertabedral holes
    B
    fcc arrangement along with occupancy of `25%` lertabedral holes
    C
    fcc arrangement along with occupancy of `25%` octabedral holes
    D
    bcc arrangement

  • In the crystal lattice of diamond, carbon atoms adopt:

    A
    Fcc arrangement along with occupancy of tetrahedral holes
    B
    Fcc arrangement along with occupancy of tetrahedral holes
    C
    Fcc arrangement along with occupancy of octahedral hole
    D
    Bcc arrangement

  • Crystal structure of diamond is similar to: -

    A
    NaCl(s)
    B
    Graphite(s)
    C
    ZnS(s)
    D
    `Na_(2)O(s)`

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    (a) What is diamond ? Of what substance is diamond made? (b) Describe the structure of diamond . Draw a simple diagram to show the arrangement of carbon atoms in diamond. (c ) Explain why , diamond has a high melting point (d) State any tow uses of diamond.

    Diamond has a three dimensional structure of C atoms formed by covalent bonds. The structure of diamond has face centred cubic lattice where 50% of the tetrahedral voids are also occupied by carbon atoms. The number of carbon atoms present per unit cell of diamond is_________.

    A : Number of carbon atoms per unit cell in diamond is 8. R : The structure of diamond is similar to ZnS.

    In diamond structure ,carbon atoms form fcc lattic and 50% tetrahedral voids occupied by acrbon atoms . Evergy carbon atoms is surrounded tetrachedral by four carbon atom with bond length 154 pm . Germanium , silicon and grey tin also crystallise in same way as diamond (N_(A)=6xx 10^(23)) The mass of diamond unit cell is:

    In diamond structure ,carbon atoms form fcc lattic and 50% tetrahedral voids occupied by acrbon atoms . Evergy carbon atoms is surrounded tetrachedral by four carbon atom with bond length 154 pm . Germanium , silicon and grey tin also crystallise in same way as diamond (N_(A)=6xx 10^(23)) The side length of diamond unit cell is ("in pm") :

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