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Crystal structure of tetra-aqua-bis-(1,3-dimethyl-2,6-dioxo-7H-purin-7-ido-?N⁷)cobalt(II).

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

SUBMITTER: El Hamdani H

PROVIDER: S-EPMC5588566 | biostudies-literature | 2017 Sep

REPOSITORIES: biostudies-literature

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Crystal structure of tetra-aqua-bis-(1,3-dimethyl-2,6-dioxo-7H-purin-7-ido-κN7)cobalt(II).

El Hamdani Hicham H El Amane Mohammed M Duhayon Carine C

Acta crystallographica. Section E, Crystallographic communications 20170804 Pt 9

The title complex, [Co(C7H7N4O2)2(H2O)4], comprises mononuclear mol-ecules consisting of a CoII ion, two deprotonated theophylline ligands (systematic name: 1,3-dimethyl-7H-purine-2,6-dione) and four coordinating water mol-ecules. The CoII atom lies on an inversion centre and has a slightly distorted octa-hedral coordination environment, with two N atoms of two trans-oriented theophyl ...[more]

PMID: 28932460

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