Crystal structure of tetraaquabis(1,3-dimethyl-2,6-dioxo-7 H -purin-7-ido-κ N 7 )cobalt(II) - Archive ouverte HAL Accéder directement au contenu
Article Dans Une Revue Acta crystallographica Section E : Crystallographic communications [2015-...] Année : 2017

Crystal structure of tetraaquabis(1,3-dimethyl-2,6-dioxo-7 H -purin-7-ido-κ N 7 )cobalt(II)

Résumé

The title complex, [Co(C7H7N4O2)2(H2O)4], comprises mononuclear molecules consisting of a CoII ion, two deprotonated theophylline ligands (systematic name: 1,3-dimethyl-7H-purine-2,6-dione) and four coordinating water molecules. The CoII atom lies on an inversion centre and has a slightly distorted octahedral coordination environment, with two N atoms of two trans-oriented theophylline ligands and the O atoms of four water molecules. An intramolecular hydrogen bond stabilizes this conformation. A three-dimensional supramolecular network structure is formed by intermolecular O-H...O and O-H...N hydrogen bonds.

Dates et versions

hal-02273074 , version 1 (28-08-2019)

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Citer

Hicham El Hamdani, Mohammed El Amane, Carine Guyard-Duhayon. Crystal structure of tetraaquabis(1,3-dimethyl-2,6-dioxo-7 H -purin-7-ido-κ N 7 )cobalt(II). Acta crystallographica Section E : Crystallographic communications [2015-..], 2017, 73 (9), pp.1302-1304. ⟨10.1107/S2056989017011379⟩. ⟨hal-02273074⟩
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