Smith, Graham (2014) Poly[di-mu-aqua-bis{2-amino-4-nitrobenzoato)]-dirubidium. Acta Crystallographica. Section E: Structure Reports Online, 70(5), m192-n193.

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In the structure of title compound [Rb2(C7H5N2O4)2(H2O)2]n the asymmetric unit comprises two independent and different seven-coordinate Rb centres, one RbO7, the other RbO6N, with both having irregular stereochemistry. The RbO7 coordination comprises bridging oxygen donors from two water molecules, three carboxylate groups, and a nitro group, with one doubly bridging. The RbO6N coordination comprises the two bridging water molecules, one monodentate amine N donor, one carboxyl O donor and three O donors from nitro groups (one from the chelate bridge). The extension of the dinuclear unit gives a three-dimensional polymeric structure which is stabilized by both intra- and intermolecular amine N-H...O and water O-H...O hydrogen bonds to carboxyl and water O-atom acceptors, as well as a number of inter-ring \p--\p interactions [minimum ring centroid separation, 3.364(2) \%A]. This complex is both isostructural with the analogous Cs -nitroanthranilate monohydrate complex.

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ID Code: 70901
Item Type: Journal Article
Refereed: Yes
Keywords: crystal structure, rubidium, coordination polymer, hydrogen bonding, 4-nitroanthranilic acid
DOI: 10.1107/S1600536814008861
ISSN: 1600-5368
Divisions: Current > QUT Faculties and Divisions > Science & Engineering Faculty
Copyright Owner: Copyright 2014 The author
Copyright Statement: This open-access article is distributed under the terms of the Creative Commons Attribution Licence http://creativecommons.org/licenses/by/2.0/uk/legalcode, which permits unrestricted use, distribution, and reproduction in any medium, provided the original authors and source are cited.
Deposited On: 02 May 2014 02:22
Last Modified: 17 May 2014 01:31

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