Crystal structure of tetrakis(imidazolium) hexakis(imidazole-κ <i>N</i> )cobalt(II) bis(benzene-1,3,5-tricarboxylate) dihydrate

The title compound, (C<sub>3</sub>H<sub>5</sub>N<sub>2</sub>)<sub>4</sub>[Co(C<sub>3</sub>H<sub>4</sub>N<sub>2</sub>)<sub>6</sub>](C<sub>9</sub>H<sub>3</sub>O<sub>6</sub>)<sub>2</sub>·2H<sub>2</sub>O (<b>1</b>), was synthesized by slow evaporation of mixed ethano-lic solutions of CoCl<sub>2</sub>, benzene-1,3,5-tri-carb-oxy-lic acid (H<sub>3</sub>btc) and imidazole (Im) at room temperature. The crystal structure comprises [Co(Im)<sub>6</sub>]<sup>2+</sup> cations, btc<sup>3-</sup> anions, Im<sup>+</sup> cations and water mol-ecules in a 1:2:4:2 ratio. The crystal packing shows alternating layers stacked along the <i>c-</i>axis direction, linked primarily by hydrogen bonds of the types N-H⋯O (between cations and anions) and O-H⋯O (between anions and water mol-ecules).

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Journal
Acta Crystallographica Section E Crystallographic Communications
Published
2026-02-18
DOI
https://doi.org/10.1107/s2056989026001660
Primary Topic
Metal-Organic Frameworks: Synthesis and Applications
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article
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article

Crystal structure of tetrakis(imidazolium) hexakis(imidazole-κ N )cobalt(II) bis(benzene-1,3,5-tricarboxylate) dihydrate

Fabienne Hain, Bassima Knjo, Faegheh Khademhir, Aliyenur Ekineken et al.
Acta Crystallographica Section E Crystallographic Communications
Metal-Organic Frameworks: Synthesis and Applications
article

Crystal structure of tetrakis(imidazolium) hexakis(imidazole-κ N )cobalt(II) bis(benzene-1,3,5-tricarboxylate) dihydrate

Fabienne Hain, Bassima Knjo, Faegheh Khademhir, Aliyenur Ekineken, Jose de Jesus Velazquez Garcia, Edwige Nadia Pujol, Simone Techert
article en

Abstract

The title compound, (C<sub>3</sub>H<sub>5</sub>N<sub>2</sub>)<sub>4</sub>[Co(C<sub>3</sub>H<sub>4</sub>N<sub>2</sub>)<sub>6</sub>](C<sub>9</sub>H<sub>3</sub>O<sub>6</sub>)<sub>2</sub>·2H<sub>2</sub>O (<b>1</b>), was synthesized by slow evaporation of mixed ethano-lic solutions of CoCl<sub>2</sub>, benzene-1,3,5-tri-carb-oxy-lic acid (H<sub>3</sub>btc) and imidazole (Im) at room temperature. The crystal structure comprises [Co(Im)<sub>6</sub>]<sup>2+</sup> cations, btc<sup>3-</sup> anions, Im<sup>+</sup> cations and water mol-ecules in a 1:2:4:2 ratio. The crystal packing shows alternating layers stacked along the <i>c-</i>axis direction, linked primarily by hydrogen bonds of the types N-H⋯O (between cations and anions) and O-H⋯O (between anions and water mol-ecules).

Acta Crystallographica Section E Crystallographic CommunicationsVol. 82(3)
Université Sorbonne Nouvelle (FR), Deutsches Elektronen-Synchrotron DESY (DE), Institut de Mathématiques de Jussieu-Paris Rive Gauche (FR), Sorbonne Université (FR), Berufsgenossenschaft für Gesundheitsdienst und Wohlfahrtspflege (DE), University of Göttingen (DE)
Clean water and sanitation
Openalex Percentile: Top 49%
Metal-Organic Frameworks: Synthesis and Applications
DOIOpen Access PDFOpenAlex
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Crystal structure of tetrakis(imidazolium) hexakis(imidazole-κ <i>N</i> )cobalt(II) bis(benzene-1,3,5-tricarboxylate) dihydrate — Fabienne Hain, Bassima Knjo, et al. · Acta Crystallographica Section E Crystallographic Communications (2026) | TGRS Research Map | TGRS