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Figure 2
Hydrogen-bonded dimers of 1 (a) and 2 (b) in the crystal. Displacement ellipsoids are drawn at the 50% probability level. The site of the disordered tri­fluoro­methyl group in 2 with minor occupancy (ca 12%) in the crystal is shown by empty ellipsoids. Hydrogen atoms are represented by small spheres of arbitrary radius and hydrogen bonds are shown by dashed lines. Symmetry code: (i) −x + 2, −y + 1, −z + 1.

ISSN: 2056-9890
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