Synthesis, crystal structure, Hirshfeld surface and void analysis of bis(μ<sub>2</sub>-4-aminobenzoato-κ<sup>2</sup> <i>O</i>:<i>O</i>′)bis[bis(4-aminobenzoato-κ<sup>2</sup> <i>O</i>,<i>O</i>′)diaquathulium(III)] dihydrate
Acta crystallographica. Section E, Crystallographic communications