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In the structure of title compound, [Rb(C7H4NO5)(H2O)]n, the centrosymmetric cyclic dimeric repeating unit comprises two irregular RbO4 complex centres bridged by the carboxylate groups of the 5-nitrosalicylate ligands. The coordination about each Rb atom is completed by a monodentate water molecule and a phenolic O-atom donor which gives a bridging extension [Rb-O range = 3.116 (7)-3.135 (5) A ࠝ. The polymeric structure is stabilized by intermolecular water O- H...Ocarboxylate hydrogen bonds and weak inter-ring pi-pi interactions [minimum ring centroid separation = 3.620 (4) A ࠝ. An intramolecular O-H...O hydrogen bond between phenol and carboxylate groups is also present.
Acta Crystallographica. Section E: Structure Reports Online
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Structural Chemistry and Spectroscopy
Inorganic Chemistry not elsewhere classified