Face Centred Cubic (FCC) Unit Cell


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Interstitials > Interstitial Sites in FCC Crystals (1)

Description of Flash Animation

This animation is an exercise to find octahedral interstices.

This resource requires Flash Player 9 or above available to download from http://www.adobe.com/go/getflash

Here is a unit FCC cell.

To start with, click the mouse at each of the octahedral interstices.

Click here for more details.

Octahedral interstices are bound by six atoms whose centres join up to make an octahedron (eight-sided figure).

In this example, there are thirteen octahedral interstices to find.

Click opposite to show an example.

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