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Poly[aqua-(?(3)-2-hy-droxy-5-nitro-benzoato-?O:O:O)rubidium].

ABSTRACT: In the structure of title compound, [Rb(C(7)H(4)NO(5))(H(2)O)](n), the centrosymmetric cyclic dimeric repeating unit comprises two irregular RbO(4) complex centres bridged by the carboxyl-ate groups of the 5-nitro-salicylate ligands. The coordination about each Rb atom is completed by a monodentate water mol-ecule and a phenolic O-atom donor which gives a bridging extension [Rb-O range = 3.116?(7)-3.135?(5)?Å]. The polymeric structure is stabilized by inter-molecular water O-H?O(carboxyl-ate) hydrogen bonds and weak inter-ring ?-? inter-actions [minimum ring centroid separation = 3.620?(4)?Å]. An intramolecular O-H?O hydrogen bond between phenol and carboxylate groups is also present.

SUBMITTER: Smith G 

PROVIDER: S-EPMC3201352 | biostudies-literature | 2011 Oct

REPOSITORIES: biostudies-literature

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Poly[aqua-(μ(3)-2-hy-droxy-5-nitro-benzoato-κO:O:O)rubidium].

Smith Graham G   Wermuth Urs D UD   Williams Michael L ML  

Acta crystallographica. Section E, Structure reports online 20110917 Pt 10

In the structure of title compound, [Rb(C(7)H(4)NO(5))(H(2)O)](n), the centrosymmetric cyclic dimeric repeating unit comprises two irregular RbO(4) complex centres bridged by the carboxyl-ate groups of the 5-nitro-salicylate ligands. The coordination about each Rb atom is completed by a monodentate water mol-ecule and a phenolic O-atom donor which gives a bridging extension [Rb-O range = 3.116 (7)-3.135 (5) Å]. The polymeric structure is stabilized by inter-molecular water O-H⋯O(carboxyl-ate) hy  ...[more]

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