Citation: Mendes, Ricardo F.; Firmino, Ana D. G.; Tom\'e, Jo\~ao P. C.; Almeida Paz, Filipe A. (2018). Metal--organic framework assembled from erbium and a tetrapodal polyphosphonic acid organic linker. Acta Crystallographica Section C, 74, pp. -.
Formula: C12 H16 Er O14.5 P4
Chemical name:Poly[[\m~6~-pentahydrogen[1,1'-biphenyl]-3,3',5,5'-tetrayltetrakis(phosphonato)]erbium(III)]2.5-hydrate]