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- W1606251804 abstract "The preparation and purification in a vacuum of phosphorus trioxydisulphide is described. The Raman spectrum of the molten substance in an evacuated tube at 130° was determined, and polarization measurements were effected for the Raman lines also. At 130° - accelerated by the light - a separating out of solid particles is observed. It is pointed out that polymerization into linear and chain branched polymers takes place, a supposition that is also confirmed by other still unpublished results.The Raman spectrum of the liquid contains a number of lines which are practically completely polarized, which proves that in the liquid scattering particles of cubical symmetry are present, in all probability molecules of P4O6S4. The number of strongly polarized Raman lines is definitely too high for each cubical compound. An explanation of this fact may be given by keeping in mind that polymerization as well as depolymerization phenomena take place in the liquid, so that cubic molecules of P4O6S4 with oxygen and sulphur interchanged and different kinds of linear polymers etc. may occur. The appearance in the Raman spectrum of a strongly polarized Raman line with Δ 1396 cm−1, proves the presence in the liquid of scattering single molecules of composition P4O6S4 with an oxygen atom attached by a double bond to an atom of phosphorus.The Raman spectrum of the solid shows a general agreement with that of the liquid (with the weakest lines of the latter spectrum being absent in that of the solid), proving that solid P4O6S4 for the greater part consists of normal molecules of P4O6S4." @default.
- W1606251804 created "2016-06-24" @default.
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- W1606251804 date "1945-01-01" @default.
- W1606251804 modified "2023-10-13" @default.
- W1606251804 title "The Raman spectrum and the molecular structure of phosphorus trioxydisulphide P4O6S4" @default.
- W1606251804 doi "https://doi.org/10.1002/recl.19450640702" @default.
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