Add time:08/05/2019         Source:sciencedirect.com

The crystal structures of two hypervalent silicon compounds (N → Si) (2-benzothiazolylthiomethyl)trifluorosilane and (N → Si) (2-benzoxazolylthiomethyl)trifluorosilane have been determined. Both molecules have similar geometrical parameters. The Si atom acquires a distorted trigonal bipyramidal penta-coordination due to five-membered ring closure by a donor-acceptor N → Si bond of lengths of 1.988(3) and 1.967(4) Å, respectively. In the second crystal structure, molecules form a stacked packing with the distance between the planar parts of the neighbouring molecules in the stacks equal to 3.45 Å.

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