{W48} Ring Opening: Fe16‐Containing, Ln4‐Stabilized 49‐Tungsto‐8‐Phosphate Open Wheel [Fe16O2(OH)23(H2O)9 (P8W49O189)Ln4 (H2O)20]11‐.

K8.5Na0.5Li0.5Eu0.5 [P8W49O189Fe16O2 (OH)23(H2O)9Eu4(H 2O)20]·70H2O (I) and K9LiNa [P8W49O189Fe16O2 (OH)23(H2O)9 Gd4(H2O)20]·50H2 O (II) are synthesized from mixtures of FeCl3, EuCl3 or GdCl3, H2O2, and K28Li5 [H7P8W48O184] in a LiOC/AcOH solution (pH 4, 80°C, 1 h, 10% yield each).