| | 1 | Author
| Anja Edelmann, Sally Brooker, N. Orbert Bertel, M. Athias Noltemeyer, H. Erbert, W. Roesky, GeorgeM. Sheldrick, FrankT. Edelmann | Requires cookie* | | | Title
| Strukturuntersuchungen an Diaryldichalkogeniden: Die Molekülstrukturen von |2  | | | | Abstract
| ,4,6-(CF3)3C6H 2S]2,12,4,6-M e3C6H 2TeI2 und |2-M e2N-4,6-(CF3)2C6H 2Te]2 Structural Investigations of Diaryl Dichalcogenides: The Molecular Structures o f [2,4,6-(CF3)3C6HiS],, [2,4,6-Me3C6H ?Te]2 and [2-Me2N-4,6-(CF3)2C6H 2Te]2 The molecular structures o f [2,4,6-(CF3)3C6H 2S]2 (1), [2,4,6-M e3C6H 2Te]2 (2) and [2-Me2N -4,6-(C F 3)2C6H2Te]2 (3) have been determined by X-ray diffraction. Crystal data: 1: orthorhombic, space group P 2,2,2,, Z = 4, a = 822.3(2), b = 1029.2(2), c = 2526.6(5) pm (2343 observed independent reflexions, R = 0.042); 2: orthorhom bic, space group Iba2, Z = 8, a = 1546.5(2), b = 1578.4(2), c = 1483.9(1) pm (2051 observed independent reflexions, R = 0.030); 3: m onoclinic, space group P 2,/c, Z = 4, a = 1118.7(1), b = 1536.5(2), c = 1492.6(2) pm, ß = 98.97(1)° (3033 observed independent reflexions, R = 0.025). | | | |
Reference
| Z. Naturforsch. 47b, 305 (1992); eingegangen am 12. Ju li/9. September 1991 | | | |
Published
| 1992 | | | |
Keywords
| Sulfur, Tellurium, Disulfides, Ditellurides, X -R ay | | | |
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| default:Reihe_B/47/ZNB-1992-47b-0305.pdf | | | | Identifier
| ZNB-1992-47b-0305 | | | | Volume
| 47 | |
| 2 | Author
| U. D. Rutkow Ski, P. Strauch | Requires cookie* | | | Title
| Oxidative S-S-Kopplung von 1,2-Dithiooxalat durch intramolekulare Redoxreaktion der Selen(II)-und Tellur(II)-Komplexe O xidative S-S C oupling o f 1,2-D ithiooxalate by Intramolecular R edox Reaction o f the Selenium (II) and Tellurium (II) C om plexes | | | | Abstract
| The reaction of sodium monochalcogenopentathionates, Na2[Y(S20 3)2] (Y = Se, Te) with potassiumdithiooxalate in a water/methanol solution in presence of large cations (e. g. Ph4P+, Ph4As+ or BzlPh3P+) yields complexes of the type [Y(dto)2]2~ (Y = Se, Te). These complexes are of limited stability and undergo a redox reaction in solution. As the main product of this redox process the 3,4-dithiahexane-2,5-dione-l,6-di(thiocarboxylate) was isolated and characterized by X-ray structure analysis as the benzyltriphenylphosphonium salt (monoclinic space group P2^/c, Z = 2, a = 8.899(5) A, b = 16.458(2) Ä, c = 16.034(6) A and ß = 98.02(2)°). With Te_+ (Y = Te) as the coordination center we have been able to isolate the intermediate complex (Ph4P)2[Te(dto)2], | | | |
Reference
| (Z. Naturforsch. 54b, 73—76 [1999]; eingegangen am 13. August 1998) | | | |
Published
| 1999 | | | |
Keywords
| 1, 2-Dithiooxalate, X-Ray Data, Disulfide | | | |
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| default:Reihe_B/54/ZNB-1999-54b-0073.pdf | | | | Identifier
| ZNB-1999-54b-0073 | | | | Volume
| 54 | |
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