The molecular structure of diiodosilane has been determined by gas electron diffraction. Assuming C2v symmetry, only the S-I bond length (2.423(3) ?) and the I-Si-I bond angle (110.8(4)°) could be determined accurately in this experiment. The experimental geometric parameters and vibrational frequencies which were reported earlier are compared to calculated values derived with the HF approximation and DFT methods (B3LYP and SVWN) using 3-21G* basis sets and effective core potentials.
A method for making a halosilane compound comprises the steps of: (a) providing a first halosilane compound, (b) providing a reaction vessel containing a solid halide salt disposed inside, (c) feeding the halosilane compound into the reaction vessel, and (d) collecting a product stream from the reaction vessel, where the product stream contains a second halosilane.
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Paragraph 0033-0034
(2019/11/19)
PREPARATION OF SI-H CONTAINING IODOSILANES VIA HALIDE EXCHANGE REACTION
Methods of synthesizing Si-H containing iodosilanes, such as diidosilane or pentaiododisilane, using a halide exchange reaction are disclosed.
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Paragraph 00119
(2017/12/15)
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