Chlorobis(tricyclohexylphosphine)(sulfur dioxide)rhodium(I). A square planar SO2-transition metal complex

Add time:07/29/2019    Source:sciencedirect.com

The structure of chlorobis(tricyclohexylphosphine) (sulfur dioxide)rhodium(I) has been determined by single crystal X-ray techniques. The complex crystallizes in the space group P21/c with cell constants of a = 13.371(6), b = 12.783(6), c = 23.293(10) Å and β = 105.01(2)°. Refinements using 2822 unique reflections for which I⩾ 2 σ(I) included anisotropic temperature parameters for all atoms heavier than carbon and hydrogen atoms fixed in idealized positions converged to an unweighted R value of 6.6%.The coordination about the Rh atom is square planar with trans phosphines and a η1-planar SO2 group. The conformation about the Rh S bond is determined by O---H interactions.The bonding of SO2 to the complex is discussed.

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