The <a href="//commons.wikimedia.org/wiki/Crystal" title="Crystal">crystal</a> structure of caesium chloride, CsCl, a typical ionic compound. The <span style="color:#8F58C0; background-color:#8F58C0;">__</span> purple spheres represent <a href="//commons.wikimedia.org/wiki/Caesium" title="Caesium">caesium</a> cations, 
Cs<sup>+</sup>, and the <span style="color:#28D028;background-color:#28D028;">__</span> green spheres represent chloride anions, Cl<sup>−</sup>.
<a href="//commons.wikimedia.org/wiki/User:Benjah-bmm27" title="User:Benjah-bmm27">Benjah-bmm27</a> (<a href="//commons.wikimedia.org/wiki/User_talk:Benjah-bmm27" title="User talk:Benjah-bmm27">talk</a><span style="white-space:nowrap"> <b>·</b></span> <a href="//commons.wikimedia.org/wiki/Special:Contributions/Benjah-bmm27" title="Special:Contributions/Benjah-bmm27">contribs</a>)
17 March 2007, 19:13 (upload date)
<span class="int-own-work" lang="en">Own work</span>