3D carbon-connectivity/framework of the di<a href="https://en.wikipedia.org/wiki/cation" class="extiw" title="en:cation">cation</a> of <a href="https://en.wikipedia.org/wiki/hexamethylbenzene" class="extiw" title="en:hexamethylbenzene">hexamethylbenzene</a>. The three <a href="https://en.wikipedia.org/wiki/hydrogen" class="extiw" title="en:hydrogen">hydrogen atoms</a> have been omitted from the <a href="https://en.wikipedia.org/wiki/methyl_group" class="extiw" title="en:methyl group">methyl groups</a> (at the end of each of the six "dead-end" bonds, as in a <a href="https://en.wikipedia.org/wiki/skeletal_diagram" class="extiw" title="en:skeletal diagram">skeletal diagram</a>). Coordinates taken from Supplementary Info page S17 of <cite style="font-style:normal"> (2017). "Crystal Structure Determination of the Pentagonal-Pyramidal Hexamethylbenzene Dication C<sub>6</sub>(CH<sub>3</sub>)<sub>6</sub><sup>2+</sup>". <i>Angewandte Chemie International Edition</i> <b>56</b> (1): 368–370. <a href="https://en.wikipedia.org/wiki/Digital_object_identifier" class="extiw" title="w:Digital object identifier">DOI</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1002/anie.201608795">10.1002/anie.201608795</a>.</cite>
<a href="//commons.wikimedia.org/wiki/User:DMacks" title="User:DMacks">DMacks</a> (<a href="//commons.wikimedia.org/wiki/User_talk:DMacks" title="User talk:DMacks"><span class="signature-talk">talk</span></a>)
<span class="int-own-work" lang="en">Own work</span>