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Figure 4 The anions (O3PC2H4SO3)3− are connected to one Er–O–Er layer at a time. The layers are linked via hydrogen bonds between the sulfonate groups and the coordinating water mol­ecules into a three-dimensional structure.

Journal logoCRYSTALLOGRAPHIC
COMMUNICATIONS
ISSN: 2056-9890
Volume 64| Part 11| October 2008| Page m1433
doi:10.1107/S1600536808033230
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