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Figure 1 Schematic representation of a fragment of the title compound, emphasising the coordination environment of the crystallographically unique Tb centre, showing the labelling scheme for all atoms composing the first coordination sphere. Displacement ellipsoids are drawn at the 30% probability level and H atoms associated with the water molecules are represented as spheres with arbitrary radii. All H-atoms bound to carbon were omitted for clarity. Symmetry code used to generate equivalent atoms (represented in the ball-and-stick mode): (i) x, 1 + y, z. |