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Q: What is the coordination number in hexagonal unit cell?
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Why One of unit cell angles of hexagonal crystal is 120 d?

why one of unit cell angles of hexagonal crystal is 120 digree


Why one of the unit cell angles in hexagonal is 120?

why\


Number of atoms in hcp unit cell?

"There are 6 atoms in the hcp unit cell. The hex shape has six atoms at the points that are direct translations of each other making 1 atom for the top hex and one atom for the bottom hex. That's 2. The atom in the center of the top and center of the bottom are translations giving 1 more. That's 3. Then there are 3 atoms in the middle region of each cell bringing the total to 6." The answer should depend on how you choose your unit cell. In the primitive hexagonal cell we have 1 atom at each of the corners of the cell (each is "worth" 1/8) and 1 atom within the cell giving us 2 atoms/unit cell. (Note: the 'primitive hexagonal cell' above actually refers to the parallelpiped structure that the hexagonal unit cell consists of: the hexagonal 'unit' -it cannot technically be referred to as a unit cell, because unit cells are the most reduced form of the crystal structure- can be divided into 3 parallelepipeds.)


What is the different in between unit cell and single crystal?

When a unit in a crystal lattice has lattice points only at its corners ,it is called a simple or primitive unit cell. There are seven types of primitive unit cells among crystal.They are 1. Cubic unit cell 2. Tetragonal unit cell 3. Orthorhombic unit cell 4. Monoclinic unit cell 5. Rhombohedral unit cell 6. Triclinic unit cell 7. Hexagonal unit cell And, the smallest repeating unit in space lattice which when repeated over and over again produces the complete space lattice.This is called unit cell. In easy form , The unit cell which do not contain any interior point are called primitive unit cell.


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Number of atom per unit cell in the Bcc crystal structure is?

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What is the difference between face centered cubic crystal structure and hexagonal close pack crystal structure?

face centre cubic crystal has eight atoms in each corner and one atom in the centre of cubic unit cell.while hexagonal close packed structuree has only six atoms in corners but no in the centre of cubic cell


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Crystalline silicon has a cubic structure the unit cell edge is 543pm calculate the number of unit cells per cubic cm?

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