ChemInform Abstract: Synthesis and Crystal Structure of para-Substituted Diphenylsilanes of Interest for Nonlinear Optics: Sulfonyl Acceptor Groups.
Abstract
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ChemInform Abstract
The donor-acceptor substituted title compounds (III) and (V) are prepared because of their nonlinear optical properties. The crystal and molecular structures ((III) crystallizes in the space group P21/c with Z = 4 and (V) in P1 with Z = 4) of disilanes having a dimethylamino donor and a sulfonyl group containing acceptor are described for the first time. The study shows that these diphenylsilanes based donor-acceptor compounds in the molecular crystal show several features which reflect the functionality of donor and acceptor and that they have the trans-type conformation which is favorable for nonlinear optical behavior.
