Abstract
The title compound, Sn(O 3PCH 2CH 3), (1), was synthesized from a mixture of SnF 2, CH 3CH 2PO 3H 2, and H 2O in the mole ratio 1:0.85:1741 at 25°C for 1 h. Phosphonate (1) crystallizes in the orthorhombic space group Pbcawith a=7.785(2), b=7.450(1), c=20.026(4) Å, V=1161.5(6) Å 3, Z=8, and R=0.0797. The two-dimensional structure of (1) is composed of corner sharing {SnO 3} pyramids and {O 3PC} tetrahedra that alternate to form four- and eight-member polyhedral rings within the layers. The ethyl groups of the phosphonate tetrahedra are directed outward from both faces of the layer, effectively forming inorganic layers alternating with organic bilayers.
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