4,4′-Bipyridinium 1,4-phenylenediacetate

Jia, M.; Liu, Xianlin; Miao, Jing; Xiong, Wei; Chen, Zilu

doi:10.1107/s1600536809036836

Cited by 3 publications

(1 citation statement)

References 3 publications

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“…For the previous erroneous report of this structure as a molecular salt, see: Jia et al (2009). For hydrogen-bonded cocrystals, see: Stahly (2009); Kavuru et al (2010).…”

Section: Related Literaturementioning

confidence: 99%

Redetermined structure of 4,4′-bipyridine–1,4-phenylenediacetic acid (1/1) co-crystal

Paul¹,

Bora²

2015

Acta Cryst E

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The asymmetric unit of the title 1:1 co-crystal, C10H8N2·C10H10O4, consists of one half-molecule each of 4,4′-bipyridine and 1,4-phenylenediacetic acid: the complete molecules are generated by crystallographic inversion centres. The dihedral angle between the –CO2H group and the benzene ring in the diacid is 73.02 (7)°. In the crystal, the components are linked by O—H⋯N hydrogen bonds, generating [1-2-1] chains of alternating amine and carboxylic acid molecules. The chains are cross-linked by C—H⋯O interactions. This structure was previously incorrectly described as a (C10H10N2)2+·(C10H8O4)2− molecular salt [Jia et al. (2009 ▸). Acta Cryst. E65, o2490–o2490].

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“…For the previous erroneous report of this structure as a molecular salt, see: Jia et al (2009). For hydrogen-bonded cocrystals, see: Stahly (2009); Kavuru et al (2010).…”

Section: Related Literaturementioning

confidence: 99%

Redetermined structure of 4,4′-bipyridine–1,4-phenylenediacetic acid (1/1) co-crystal

Paul¹,

Bora²

2015

Acta Cryst E

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4,4′-Bipyridinium bis(μ-4-oxo-1,4-dihydropyridine-2,6-dicarboxylato)bis[aquahydroxidoantimonate(III)] dihydrate

et al. 2010

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The title compound, (C10H10N2)[Sb2(C7H2NO5)2(OH)2(H2O)2]·2H2O, consists of a binuclear anion, a diprotonated 4,4′-bipyridinium cation and two uncoordinated water molecules. Each SbIII atom is six-coordinated by one chelating 4-oxidopyridine-2,6-dicarboxylate ligand, one water molecule, one OH group and one bridging O atom from a neighboring carboxylate group in a distorted pentagonal-pyramidal geometry, with the OH group at the apical position. The two pyridine rings in the bipyridinium cation are twisted with respect to each other, making a dihedral angle of 22.7 (1)°. The cations are connected to the anions by N—H⋯O hydrogen bonds, forming a chain. The coordinated water molecules form hydrogen bonds with the oxido O atoms of the anion, building a two-dimensional sheet, which is further connected into a three-dimensional structure by O—H⋯O and C—H⋯O hydrogen bonds and C=O⋯π interactions [O⋯centroid distances = 3.1785 (17), 3.4737 (19) and 3.5685 (19) Å].

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4,4′-Bipyridine-1,1′-diium 2,3,5,6-tetrabromoterephthalate dihydrate

Kumagai

Kawata

2011

Acta Crystallogr E Struct Rep Online

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The title compound, C10H10N2 2+·C8Br4O4 2−·2H2O, consists of a tetrabromoterephthalate dianion, a 4,4′-bipyridinium dication and two solvent water molecules. Crystallographic inversion centers are situated at the center of the aromatic ring of the dianion as well as at the midpoint of the carbon–carbon bond connecting the pyridine rings in the dication. In the crystal, intermolecular N—H⋯O hydrogen-bonding interactions between tetrabromoterephthalate dianions and protonated 4,4′-bipyridinium dications result in the formation of a chain-like structure. Further O—H⋯O hydrogen bonds between carboxylate O atoms and water molecules lead to the formation of a two-dimensional network in the crystal structure.

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4,4′-Bipyridinium 1,4-phenylenediacetate

Cited by 3 publications

References 3 publications

Redetermined structure of 4,4′-bipyridine–1,4-phenylenediacetic acid (1/1) co-crystal

Redetermined structure of 4,4′-bipyridine–1,4-phenylenediacetic acid (1/1) co-crystal

4,4′-Bipyridinium bis(μ-4-oxo-1,4-dihydropyridine-2,6-dicarboxylato)bis[aquahydroxidoantimonate(III)] dihydrate

4,4′-Bipyridine-1,1′-diium 2,3,5,6-tetrabromoterephthalate dihydrate

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