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Darstellung, Kristallstruktur und spektroskopische Charakterisierung von [(H3C)3Si]NH(BCl2) by Martin Jansen; Thomas Jäschke is a Chemistry article available to read on EtoBox.

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Professor Gerhard Fritz zum 80. Geburtstag gewidmet Preparation, Crystal Structure, and Spectroscopic Characterization of [(H 3 C) 3 Si]NH(BCl 2 ) Abstract. [(H 3 C) 3 Si]NH(BCl 2 ) is formed during the reaction of boron trichloride with hexamethyldisilazane at low temperatures. The compound crystallizes monoclinic in space group P2 1 /c with a = 953.8(2) pm, b = 1059.9(1) pm, c = 867.4(1) pm, b = 99.40(2)°; Z = 4. According to the single crystal X-ray diffraction analysis (1275 symmetry independent reflections, R = 0.040), [(H 3 C) 3 Si]NH(BCl 2 ) exists as a dimer, in the crystal. The dimers have site symmetry C i and, within the margins of error of the structure determination, point symmetry C 2h . A characteristic feature is a planar, almost square B±N±B±N four-membered ring with the trimethylsilyl groups in trans position. The compound has been characterised by MS-, 1 H-, 13 C-, 11 B-, and 29 Si-NMRspectroscopy.

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Author

Martin Jansen; Thomas Jäschke

Publisher

John Wiley and Sons; Wiley (John Wiley & Sons); Wiley - V C H Verlag GmbbH & Co.; Wiley (ISSN 0372-7874)

Published

1999

Language

DE

Field

Chemistry (Physical Sciences)