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- W2022452695 abstract "Abstract The reaction of trimethylaluminum with thiophenol forms the compound [Me 2 Al(μ-SPh)] n in good yield. The compound has been characterized by 1 H, 13 C and variable-temperature NMR (VT-NMR) spectroscopy, mass spectroscopy, and by cryoscopic molecular-weight determination. The solid-state structure has been determined by single-crystal X-ray crystallography and was assigned to the monoclinic space group Pc (no. 7) with cell constants a =9.2499(12), b =7.1344(10), c =7.1947(11) A, β =100.328(3)° and Z =2. The refinement converged with R 1 =7.24% ( wR 2 =15.4%) for 581 ( I ≥2 σ ( I )) observed reflections and was described in terms of an infinite chain polymer with phenyl thiol groups and dimethylaluminum groups alternating. The average Al–S distance is 2.36 A. VT-NMR shows that the compound exhibits some fluxional behavior, which affects the ortho protons of the phenyl ring. Cryoscopic molecular-weight measurements show that the aggregation state is a function of concentration, and it has been proposed that two species, dimer and trimer, exist in solution." @default.
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- W2022452695 date "2000-03-01" @default.
- W2022452695 modified "2023-09-23" @default.
- W2022452695 title "Synthesis and structural characterization of polymeric dimethylaluminum phenylthiolate" @default.
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- W2022452695 doi "https://doi.org/10.1016/s0022-328x(99)00652-x" @default.
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