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Nonetheless, a bond critical point is found between Si and N, suggesting the existence of an Si-N bond in these compounds. It is found that the energy cost for constraining the Si-N distance in hydroxysilatrane to a value similar to that observed in the crystal is less than 6 kcal/mol...
The overlap integral is 0.38 per Si-N bond and is 17% stronger than the overlap in Al12N12. The atoms in molecule charge on the in-plane and protrudent Si atoms are 3.13e and 1.65e, respectively. The lone pair electrons form large local dipole moments enhance the electrostatic ...
15 N NMR spectroscopic determination of the Si ← N bond length in 1-halosilatranesNo Abstract available for this article.doi:10.1007/BF00948552V. A. PestunovichB. Z. ShternbergL. P. PetukhovV. I. RakhlinM. G. VoronkovKluwer Academic Publishers-Plenum PublishersBulletin of the Academy ...
Presents strong evidence for novel selenium-oxygen and silicon-nitrogen bond metatheses. Mechanistic studies of the reaction of various seleninic anhydrides and hexamethyldisilazane; Metatheses cycle; Identification of new type of ligand coupling process centered on tetravalent selenium-centered intermediate;...
The compound forms monomeric molecules with crystallographic C2 symmetry and Si-N bond lengths of 177.9(3), 171.6(3) and 175,2(3) pm. [Me2Si(NPh)(NHPh)Li·OEt2]2: Space group P21/n, Z = 2, lattice dimensions at 190 K: a = 1082.7(3), b = 1038.8(2), c = 1641.3(4) pm,...
At the end of the whole process, we reach the conclusion that although our tight-binding parametrization of the Si-N bond cannot be the final one, a large step towards internal consistency is given by our quantum-chemistry approach. We conclude by suggesting some careful experimental analysis ...
It can be seen from FIG. 2 that the infrared absorption spectrum does not substantially change up to 400° C., and an absorption which is probably assigned to Si-N bond appears very slightly in the product at 500° C., and when the treating temperature is raised to 600° C., the spe...
该研究以“Aromative Dephosphinidenation of a Bisphosphirane-Fused Anthracene toward E-H (E = H, Si, N and P) Bond Activation”为题发表在Angewandte Chemie International Edition上,四川大学为第一单位,文章第...
该研究以“Aromative Dephosphinidenation of a Bisphosphirane-Fused Anthracene toward E-H (E = H, Si, N and P) Bond Activation”为题发表在Angewandte Chemie International Edition上,四川大学为第一单位,文章第...