Structure of <a href="https://en.wikipedia.org/wiki/manganese(III)_acetate" class="extiw" title="en:manganese(III) acetate">manganese(III) acetate</a> based on <a href="https://en.wikipedia.org/wiki/single-crystal_X-ray_crystallography" class="extiw" title="en:single-crystal X-ray crystallography">single-crystal X-ray crystallography</a> of an analogous compound for a different metal. This whole complex is a <a href="https://en.wikipedia.org/wiki/cation" class="extiw" title="en:cation">cation</a> with a +1 charge; there is a –1 anionic <a href="https://en.wikipedia.org/wiki/counterion" class="extiw" title="en:counterion">counterion</a> not included in the diagram. The three <a href="https://en.wikipedia.org/wiki/water" class="extiw" title="en:water">water molecules</a> are <a href="https://en.wikipedia.org/wiki/ligand" class="extiw" title="en:ligand">ligands</a> on the manganese atoms (based on the known structure of the analogous <a href="https://en.wikipedia.org/wiki/rhodium" class="extiw" title="en:rhodium">en:rhodium</a> compound)--they are not <a href="https://en.wikipedia.org/wiki/waters_of_crystallization" class="extiw" title="en:waters of crystallization">waters of crystallization</a> representing a hydrate form of the compound. <cite style="font-style:normal">Glowiak, T; Kubiak, M.; Szymanska-Buzar, T. (1977). "Crystal and molecular structures of trinuclear rhodium(III) complexes: <i>trans</i>-μ<sub>3</sub>-oxo-tris[bis(acetato)aquarhodium(III)] perchlorate dihydrate and monohydrate". <i>Acta Crystallographica Section B</i> <b>33</b>: 1732–1737. <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/10.1107/S0567740877006979">10.1107/S0567740877006979</a>.</cite> However, the true structure of the actual manganese compounds may have acetic acid or acetate units instead of these water molecules (see en.wp article).
<a href="//commons.wikimedia.org/wiki/User:Smokefoot" title="User:Smokefoot">Smokefoot</a>
<span class="int-own-work" lang="en">Own work</span>