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Abstract
In the crystal structure of the title complex, [Tb(C6H4NO2)(C2O4)(H2O)2]n, the TbIII cation is coordinated by four O atoms from two oxalate ligands, two O atoms from two isonicotinate ligands and two O atoms from water molecules within a distorted square–antiprismatic coordination. The TbIII cation, the isonicotinate anion and the two crystallographically independent water molecules occupy general positions, whereas one of the two crystallographically independent oxalate anions is located on a center of inversion, and the second oxalate anion is located on a twofold rotation axis. The TbIII cations are linked by the oxalate and isonicotinate anions into layers, which are connected via intermolecular hydrogen-bonding and π–π stacking [with centroid-to-centroid distances of 3.509 (2) and 3.343 (3) Å] interactions into a three-dimensional network.
Highlights
In the crystal structure of the title complex, [Tb(C6H4NO2)(C2O4)(H2O)2]n, the TbIII cation is coordinated by four O atoms from two oxalate ligands, two O atoms from two isonicotinate ligands and two O atoms from water molecules within a distorted square–antiprismatic coordination
TbIII cation, the isonicotinate anion and the two crystallographically independent water molecules occupy general positions, whereas one of the two crystallographically independent oxalate anions is located on a center of inversion, and the second oxalate anion is located on a twofold rotation axis
The TbIII cations are linked by the oxalate and isonicotinate anions into layers, which are connected via intermolecular hydrogen-bonding and – stacking [with centroid-to-centroid distances of 3.509 (2) and 3.343 (3) Å]
Summary
R factor = 0.023; wR factor = 0.053; data-to-parameter ratio = 13.1. In the crystal structure of the title complex, [Tb(C6H4NO2)(C2O4)(H2O)2]n, the TbIII cation is coordinated by four O atoms from two oxalate ligands, two O atoms from two isonicotinate ligands and two O atoms from water molecules within a distorted square–antiprismatic coordination. The. TbIII cation, the isonicotinate anion and the two crystallographically independent water molecules occupy general positions, whereas one of the two crystallographically independent oxalate anions is located on a center of inversion, and the second oxalate anion is located on a twofold rotation axis. The TbIII cations are linked by the oxalate and isonicotinate anions into layers, which are connected via intermolecular hydrogen-bonding and – stacking [with centroid-to-centroid distances of 3.509 (2) and 3.343 (3) Å].
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