2002
DOI: 10.1002/1521-3749(200203)628:3<570::aid-zaac570>3.0.co;2-4
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Darstellung und Kristallstruktur von Tetramethylammoniumbromid-Brom-SO2-Addukt, [(CH3)4N]+Br-?Br2?2SO2

Abstract: Inhaltsübersicht. Tetramethylammoniumtribromid bildet mit Schwefeldioxid ein Salz, das durch Schwingungsspektroskopie und eine Einkristallröntgenstrukturanalyse charakterisiert wurde. [(CH 3 ) 4 N] ϩ Br Ϫ ·Br 2 ·2SO 2 kristallisiert monoklin in der Raumgruppe P2 1 /m mit a ϭ 657.4(5) pm, b ϭ 2933.0(5) pm, Abstract. Tetramethylammoniumtribromide forms with sulfur dioxide a salt which is characterized by vibrational spectroscopy and crystal structure analysis. [(CH 3 ) 4 N] ϩ Br Ϫ ·Br 2 ·2 SO 2 crystallizes mono… Show more

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Cited by 8 publications
(3 citation statements)
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References 33 publications
(12 reference statements)
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“…The two S ··· Br (3.0942(6) and 3.1161(7) Å) contacts are much shorter (approx. 15 %) than the sum of their van der Waals radii (3.65 Å), being comparable to the distances observed in [Me 4 N]Br 2 ·Br·2SO 2 28. Analogous distances in the (SO 2 Cl – ) n polymeric chain were found to be shorter by 7–17 % in comparison to the sum of anisotropic van der Waals radius of sulfur (1.96 Å) and the isotropic van der Waals radius of chlorine 10.…”
Section: Resultssupporting
confidence: 80%
See 1 more Smart Citation
“…The two S ··· Br (3.0942(6) and 3.1161(7) Å) contacts are much shorter (approx. 15 %) than the sum of their van der Waals radii (3.65 Å), being comparable to the distances observed in [Me 4 N]Br 2 ·Br·2SO 2 28. Analogous distances in the (SO 2 Cl – ) n polymeric chain were found to be shorter by 7–17 % in comparison to the sum of anisotropic van der Waals radius of sulfur (1.96 Å) and the isotropic van der Waals radius of chlorine 10.…”
Section: Resultssupporting
confidence: 80%
“…Crystal structures of the K + and Rb + salts of KSO 2 F – 26,27 indicate stronger F‐SO 2 coordination at ambient temperature than at low temperature. The only reported crystal structures involving an interaction between a bromide ion and SO 2 are [(CH 3 ) 4 N]Br·Br 2 · 2SO 2 28 and [(Me 2 N) 3 S]Br · SO 2 29…”
Section: Introductionmentioning
confidence: 99%
“…[22,23] In these systems,S O 2 in conjunction with the anion acts as an electron acceptor [24,25] and shows non-covalente lectrostatic interactions. [26,27] The formation of the fluorosulfite anion has also been observed in the presence of F À . [26,28,29] We recently reported on hybrid crown ethers that incorporate Si 2 Me 4 bridges insteado fC 2 H 4 bridgesb etween the O crown atoms.…”
Section: Introductionmentioning
confidence: 99%