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  • 1
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 520 (1985), S. 139-150 
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Acyl- and Alkylidenephosphines. XXVII. Molecular and Crystal Structure of Methyl-[(N-phenyl, N-trimethylsilyl)thiocarbamoyl]trimethylsilylphosphine.Methyl[(N-phenyl, N-trimethylsilyl)thiocarbamoyl]trimethylsilylphosphine 1a formed via an addition of methylbis(trimethylsilyl)phosphine to phenyl isothiocyanate [1], crystallizes in the monoclinic centrosymmetric space group P21/n with following dimensions of the unit cell determined at a temperature of measurement of -80±3°C: a=1041.2(4);b=1706.9(12);c=1001.1(6)pm; β=106.41(4)°; Z = 4. An X-ray structure determination (Rw = 0.039) confirms the constitution of the compound as already derived from its nmr spectra. One trimethylsilyl group is bound to the phosphorus atom, whereas the other is connected with the sp2-hybridized nitrogen atom. Characteristic rounded bond lenghts and angles are: P—Si 231, P—CH3 184, P—C(S) 187, C=S 167, N—C(S) 137, and N—Si 181 pm as well as P—C—S 122°, P—C—N 117°, and S—C—N 121°.
    Notes: Das durch Addition von Methylbis (trimethylsilyl) phosphan an Phenylisothiocyanat gebildete [1] Methyl[N-phenyl, [N-trimethylsilyl] thiocarbamoyl thiocarbamoyl]trimethylsilylphosphan 1a kristallisiert monoklin in der zentrosymmetrischen Raumgruppe P21/n mit folgenden, bei einer Meßtemperatur von -80±3°C bestimmten Abmessungen der Elementarzelle: a=1041,2(4); b=1706,9(12); c=1001,1(6) pm; β-106,41(4)°; Z = 4. Die Röntgenstrukturanalyse (w = 0,039) bestätigt die bereits aus den NMR-Spektren abgeleitete Konstitution der Verbindung mit an Phosphor- und sp2-hybridisiertes Stickstoffatom gebundenen Trimethylsilyl-Gruppen. Charakteristische gerundete Bindungslängen und - winkel sind: P—Si 231, P—CH3 184, P—C(S) 187, C=S 167, N—C(S) 137 und N—Si 181pm sowie P—C—S 122°, P—C—N 117° und S—C—N 121°.
    Additional Material: 4 Ill.
    Type of Medium: Electronic Resource
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