Abstract
The structural investigation of the phosphoroorganic selenium-containing title compound C10H20O6P2Se (1) was carried out. The structure of 1 has been determined by X-ray analysis and correlated with the solid state NMR studies, its purity and identity was confirmed by elemental analysis. The following crystal data were found: triclinic, P1, a = 5.6557(6) Å, b = 10.2717(8) Å, c = 13.761(1) Å, α = 105.580(7)β, p = 90.992(7)°, γ = 101.745(8)°, and Z = 2. Two six-membered rings in the molecule of 1 are in the chair conformation. The selenium atom which bridges the rings is situated axially with respect to both rings. The exocyclic oxygens are, consequently, in equatorial positions.
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