Abstract
In the title compound, {[Co(C10H8N2)(H2O)4](ClO4)2·2C10H8N2·2H2O}n, slightly distorted octahedrally coordinated CoII ions situated on inversion centers are linked into polycationic chains through 4,4′-bipyridine tethering ligands. These are connected into supramolecular layers by hydrogen bonding involving aqua ligands, perchlorate anions and uncoordinated water molecules. A twofold interpenetrated primitive cubic supramolecular network is formed by the interaction of pseudo-layers by hydrogen bonding between aqua ligands and unligated 4,4′-bipyridine molecules.
Highlights
In the title compound, {[Co(C10H8N2)(H2O)4](ClO4)2Á2C10H8N2Á2H2O}n, slightly distorted octahedrally coordinated CoII ions situated on inversion centers are linked into polycationic chains through 4,40-bipyridine tethering ligands
These are connected into supramolecular layers by hydrogen bonding involving aqua ligands, perchlorate anions and uncoordinated water molecules
A twofold interpenetrated primitive cubic supramolecular network is formed by the interaction of pseudo-layers by hydrogen bonding between aqua ligands and unligated 4,40-bipyridine molecules
Summary
ISSN 1600-5368 catena-Poly[[[tetraaquacobalt(II)]-l-4,40bipyridine-j2N:N0] bis(perchlorate) 4,40-bipyridine disolvate dihydrate]. Key indicators: single-crystal X-ray study; T = 173 K; mean (C–C) = 0.003 A; R factor = 0.030; wR factor = 0.085; data-to-parameter ratio = 15.8. In the title compound, {[Co(C10H8N2)(H2O)4](ClO4)2Á2C10H8N2Á2H2O}n, slightly distorted octahedrally coordinated CoII ions situated on inversion centers are linked into polycationic chains through 4,40-bipyridine tethering ligands. These are connected into supramolecular layers by hydrogen bonding involving aqua ligands, perchlorate anions and uncoordinated water molecules. A twofold interpenetrated primitive cubic supramolecular network is formed by the interaction of pseudo-layers by hydrogen bonding between aqua ligands and unligated 4,40-bipyridine molecules. Related literature For a review of coordination polymers containing 4,40-bipyridine, see: Yaghi et al (1998).
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