Abstract
In the title compound, {(C16H22N4)[Co(C10H2O8)(H2O)4]·2H2O}n, the octahedrally coordinated CoII atom is situated on an inversion center and possesses four aqua ligands. The Co atoms are linked into an anionic coordination polymer chain by bis-monodentate pyromellitate ligands. The chain motifs are connected into a supramolecular layer by hydrogen bonding mediated by uncoordinated water molecules. Charge balance is provided by doubly protonated bis(4-pyridylmethyl)piperazine units, which are anchored to the coordination polymer chain motifs by N—H⋯O hydrogen bonding.
Highlights
In the title compound, {(C16H22N4)[Co(C10H2O8)(H2O)4]2H2O}n, the octahedrally coordinated CoII atom is situated on an inversion center and possesses four aqua ligands
H atoms treated by a mixture of independent and constrained refinement max = 1.23 e Å3
The Co atoms are linked into an anionic coordination polymer chain by bis-monodentate pyromellitate ligands
Summary
R factor = 0.050; wR factor = 0.153; data-to-parameter ratio = 12.9. H atoms treated by a mixture of independent and constrained refinement max = 1.23 e Å3. In the title compound, {(C16H22N4)[Co(C10H2O8)(H2O)4]2H2O}n, the octahedrally coordinated CoII atom is situated on an inversion center and possesses four aqua ligands. The Co atoms are linked into an anionic coordination polymer chain by bis-monodentate pyromellitate ligands. The chain motifs are connected into a supramolecular layer by hydrogen bonding mediated by uncoordinated water molecules. Charge balance is provided by doubly protonated bis(4-pyridylmethyl)piperazine units, which are anchored to the coordination polymer chain motifs by N—H O hydrogen bonding
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