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- W2135788447 abstract "Die Kristall- und Molekülstruktur der im Titel genannten Verbindung HTcN2 (diphos)2 [diphos = (C6H5)2PCH2CH2P(C6H5)2] wurde mittels Röntgenstruktur- und 1H-NMR-Spektroskopie ermittelt. Die Kristalle sind monoklin mit a = 11,090(3), b = 24,550(5), c = 16,379(4) Å, β = 96,02(2)°, Raumgruppe P21/n. Das Technetiumatom ist oktaedrisch koordiniert, der Hydrid-Wasserstoff befindet sich zum Distickstoff-Liganden in trans-Stellung. Der Bindungsabstand TcN beträgt 2,05(1) Å, der Tc-H-Abstand 1,7 (1) Å. Bemerkenswert kürzer ist der Abstand TcP (2,359(7) Å) im Vergleich zu Komplexen mit einzähnigen Phosphanliganden. Im 1H-NMR-Spektrum tritt bei δ = −10,08 ppm ein Signal für den Hydridwasserstoff auf. Crystal and Molecular Structure of Hydridobis[1,2-bis(diphenylphosphinoethane)]dinitrogen-technetium(I) The crystal and molecular structure of the title compound HTcN2(diphos)2[diphos = (C6H5)2PCH2CH2P(C6H5)2] has been determined by X-ray analysis and 1H NMR spectra. Crystals are monoclinic, space group P21/n, with cell dimensions a = 11.090(3), b = 24.550(5), c = 16.379(4) Å, β = 96.02(2)°. The technetium atom is octahedrally co-ordinated with the hydridic hydrogen trans to the dinitrogen group. The TcN distance is 2.05(1) Å, the TcH distance is 1.7(1) Å. The TcP distances (2.359(7) Å) are remarkably shorter than in technetium complexes with mono-dentate phosphine ligands. The existence of the hydridic hydrogen is also confirmed by 1H NMR (δ = −10.08 ppm)." @default.
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- W2135788447 date "1982-11-01" @default.
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- W2135788447 title "Kristall- und Molek�lstruktur von Hydridobis-[1,2-bisdiphenylphosphanoethan]distickstofftechnetium(I)" @default.
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- W2135788447 doi "https://doi.org/10.1002/zaac.19824940111" @default.
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