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Figure 1 Molecular unit of the title compound showing all non-hydrogen atoms as thermal ellipsoids drawn at the 40% probability level and hydrogen atoms as small spheres with arbitrary radii. Atoms composing the asymmetric unit are highlighted by showing their respective label. The two possible locations for the disordered THF molecule are depicted with different colours for the bonds. For selected bond lengths see Table 1. Symmetry transformation used to generate equivalent atoms: (i) -x, y, 0.5 − z. |