Abstract
The title coordination polymer, {[Ag4(C7H4O6S)2(C4H4N2)3(H2O)2]·2H2O}n, contains two independent AgI ions. One AgI ion is coordinated by one O atom from a 3-carboxylato-4-hydroxybenzenesulfonate (L) ligand, two N atoms from two pyrazine ligands and a water molecule. The other AgI ion is coordinated by two O atoms from two L ligands and one N atom from a pyrazine ligand. One of the pyrazine ligands lies on an inversion center. The L and pyrazine ligands link the AgI ions into polymeric layers parallel to the ac plane. The layers are connected by intermolecular O—H⋯O hydrogen bonds. An intramolecular O—H⋯O hydrogen bond is also present in the L ligand.
Highlights
The title coordination polymer, {[Ag4(C7H4O6S)2(C4H4N2)3(H2O)2]2H2O}n, contains two independent AgI ions
The other AgI ion is coordinated by two O atoms from two L ligands and one N
One of the pyrazine ligands lies on an inversion center
Summary
R factor = 0.033; wR factor = 0.073; data-to-parameter ratio = 13.2. The title coordination polymer, {[Ag4(C7H4O6S)2(C4H4N2)3(H2O)2]2H2O}n, contains two independent AgI ions. One AgI ion is coordinated by one O atom from a 3-carboxylato-4hydroxybenzenesulfonate (L) ligand, two N atoms from two pyrazine ligands and a water molecule. The other AgI ion is coordinated by two O atoms from two L ligands and one N atom from a pyrazine ligand. One of the pyrazine ligands lies on an inversion center. The L and pyrazine ligands link the. AgI ions into polymeric layers parallel to the ac plane. The layers are connected by intermolecular O—H O hydrogen bonds. An intramolecular O—H O hydrogen bond is present in the L ligand
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