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- W1981956813 abstract "Die ir- und Ramanspektren von CH3CS2CH3, (CH3)2CS3 und (CD3)2CS3 wurden aufgenommen und bei der Frequenzzuordnung die Möglichkeit des Vorliegens von 2 bzw. 3 Konformeren berücksichtigt. Das CH3CS2CH3 liegt wahrscheinlich als s-cis Konformeres vor. Nach der Lösungsmittelabhängig-keit der ir-Spektren, den Festkörperspektren und aus Studien zum Dipolmoment folgt, dass bei Zimmertemperatur von (CH3)2CS3 und (CD3)2CS3 zwei Rotations-isomere vorliegen. Davon ist das s-cis, s-cis Konformere das stabilere. Hinsichtlich v(C(sp2)-S) ist anzunehmen, dass deren Lage durch die relativ starken Kopplungen im 4-atomigen Gerüst CS3 oder CS2C bei ähnlichen Verbindungen ziemlich variabel ist. ir- and Raman spectra were recorded for CH3CS2CH3, (CH3)2CS3 and (CD3)2CS3. A frequency assignment is proposed, whereby the possibility of coexistence of 2 respectively 3 conformers of these compounds is taken into consideration. CH3CS2CH3 probably exists as s-cis conformer. Studies on the solvent-dependence of the ir-spectra, as well as on the solid-phase spectra and the dipole moments of (CH3)2CS3 and (CD3CS3, prove that two rotational isomers exist at room temperature. The s-cis, s-cis conformer is the more stable. Regarding v(C(sp2)-S) it must be assumed, that this frequency is influenced by relatively strong coupling in a 4-atomic skeleton of CS3 or CS2C groups." @default.
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- W1981956813 date "1969-05-01" @default.
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- W1981956813 title "Die ir- und raman-spektren des dithioessigsäure-methylesters und des dimethyltrithiocarbonats" @default.
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- W1981956813 doi "https://doi.org/10.1016/0022-2860(69)87030-4" @default.
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