Abstract
The X-ray structural investigation of tri(p-anisyl) selenonium trifluoroacetate, C23H21F3O5Se(H20)0.5 (I) has been carried out by means of three dimensional single-crystal diffractometry. The title compound (I) crystallizes in space group C2/c (No. 15, Z=8). The lattice constants are a=14.988(3), b=16.212(2), c=19.898(9)Å, β=110.79(2)°. A full-matrix least-squares refinement program yielded a final reliability (R) factor of 0.039 based on 1977 unique reflections. Characterizations include physical property determinations and spectrometric identifications employing I.R., 1H and 13C NMR and X-ray powder analyses. The molecules in the crystal lattice are held together by van der Waals forces and hydrogen bonding. Selected bond distances and angles are presented and discussed as well as synthesis and peripheral studies.
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