Crystal structure of <a href="https://en.wikipedia.org/wiki/Triuranium_octoxide" class="extiw" title="en:Triuranium octoxide">en:Triuranium octoxide</a>
<a href="//commons.wikimedia.org/wiki/User:Orci" title="User:Orci">Orci</a>
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<span class="int-own-work" lang="en">Own work</span>, data source: B. O. Loopstra: Neutron diffraction investigation of U<sub>3</sub>O<sub>8</sub>. In: Acta Cryst. (1964). 17, 651-654.