Abstract
The title compound is triclinic, space groupP¯1, witha=13.468(2),b=20.289(2),c=14.247(1) Å,α=98.92(1),β=113.42(1),γ=99.52(1)°,V c=3416(1) Å3, andZ=6. The structure was solved by direct methods and refined by full-matrix least squares toR=0.078,R w=0.089, for 6511 observed data. The molecules hydrogen-bond into helical chains parallel to [111], each oxygen being involved in one donor and one acceptor hydrogen bond. The geometry of the siloxane link is different in the three independent molecules present, with Si-O-Si angles of 147.8(3), 157.0(3), and 162.5(3)°.
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References
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Hossain, M.A., Hursthouse, M.B. Organosilanols: The structure of 1,1,3,3-tetraphenyldisiloxane-1,3-diol. Journal of Crystallographic and Spectroscopic Research 18, 227–234 (1988). https://doi.org/10.1007/BF01194314
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DOI: https://doi.org/10.1007/BF01194314