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  • 2000-2004  (3)
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Year
  • 1
    Electronic Resource
    Electronic Resource
    Copenhagen : International Union of Crystallography (IUCr)
    Acta crystallographica 57 (2001), S. m88-m91 
    ISSN: 1600-5368
    Source: Crystallography Journals Online : IUCR Backfile Archive 1948-2001
    Topics: Chemistry and Pharmacology , Geosciences , Physics
    Notes: The molecular structure of the benzene-solvated donor–acceptor complex dichloro[2,2′′,4,4′′,6,6′′-hexaisopropyl-1,1′:3′,1′′-terphenyl-C2′](pyridine)gallium benzene hemisolvate, henceforth known as 2,6-Trip2-C6H3GaCl2-pyridine benzene hemisolvate or (1) + 0.5 C6H6 (Trip = 2,4,6-triisopropylphenyl), [GaCl2(C36H49)(C5H5N)]·0.5C6H6, has been determined. The asymmetric unit consists of four independent molecules of (1) and two benzene solvent molecules. The Ga—C, Ga—N and Ga—Cl bond lengths span the ranges 1.979 (7)–1.983 (2), 2.028 (6)–2.040 (7) and 2.179 (2)–2.212 (2) Å, respectively. All independent molecules of (1) have essentially the same geometry with slight differences in the orientation of the peripheral phenyl rings and isopropyl groups in the terphenyl moiety.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Copenhagen : International Union of Crystallography (IUCr)
    Acta crystallographica 57 (2001), S. m227-m228 
    ISSN: 1600-5368
    Source: Crystallography Journals Online : IUCR Backfile Archive 1948-2001
    Topics: Chemistry and Pharmacology , Geosciences , Physics
    Notes: The title compound, [AlH2(C29H41N2)], is an example of a sterically encumbered monomeric primary alane. The bond lengths are within normal ranges. The N—Al distance is 1.8989 (12) Å. The H atoms bonded to the aluminium center were located in a difference map and refined to Al—H distances of 1.51 (2) and 1.518 (19) Å. There are no significant intermolecular interactions.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Oxford [u.a.] : International Union of Crystallography (IUCr)
    Acta crystallographica 56 (2000), S. e514-e515 
    ISSN: 1600-5759
    Source: Crystallography Journals Online : IUCR Backfile Archive 1948-2001
    Topics: Chemistry and Pharmacology , Geosciences , Physics
    Notes: The sterically encumbered terphenyl halides 2′-chloro-2,2′′,4,4′′,6,6′′-hexaisopropyl-1,1′:3′,1′′-terphenyl, C36H49Cl, (I), 2′-bromo-2,2′′,4,4′′,6,6′′-hexaisopropyl-1,1′:3′,1′′-terphenyl, C36H49Br, (II), and 2′-iodo-2,2′′,4,4′′,6,6′′-hexaisopropyl-1,1′:3′,1′′-terphenyl, C36H49I, (III), crystallize in space group Pnma. They are isomorphous and isostructural with a plane of symmetry through the centre of the molecule. The C–halide bond distances are 1.745 (3), 1.910 (4) and 2.102 (6) Å for (I)–(III), respectively.
    Type of Medium: Electronic Resource
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