Abstract
In the title compound, [Tb(C7H4NO4)3]·2.75H2O, the Tb3+ atom is coordinated by three tridentate 6-carboxypyridine-2-carboxylate ligands and lies on a crystallographic threefold rotation axis. The coordination polyhedron around TbIII adopts a distorted tricapped trigonal–prismatic geometry. Disordered water molecules with partial occupancy are also present in the crystal, one of which is associated with each of the carboxylate O atoms of the complex unit.
Highlights
Atom is coordinated by three tridentate 6-carboxypyridine-2carboxylate ligands and lies on a crystallographic threefold rotation axis
Disordered water molecules with partial occupancy are present in the crystal, one of which is associated with each of the carboxylate O atoms of the complex unit
Symmetry codes: (i) −x+y, −x+1, z; (ii) −y+1, x−y+1, z
Summary
Crystallography, University of Geneva, 24, quai E. Key indicators: single-crystal X-ray study; T = 200 K; mean (C–C) = 0.013 Å; some non-H atoms missing; disorder in solvent or counterion; R factor = 0.037; wR factor =.
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More From: Acta Crystallographica Section E Structure Reports Online
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