1965
DOI: 10.1002/cber.19650980132
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Infrarot‐ und massenspektroskopische Untersuchungen an isomeren Dischwefeldifluoriden. Hinweise auf eine Molekülverbindung aus Difluordisulfan und Thiothionylfluorid

Abstract: Infrarot-und Massenspektren der beiden isomeren Dischwefeldifluoride werden mitgeteilt. -Bei der Umwandlung von Difluordisulfan in Thiothionylfluorid entsteht zuniichst eine Molekulverbindung, welche die beiden Isomeren im Molverhiiltnis 1 : 1 enthiilt. Die Molekulverbindung ist auch durch Tempern von Thiothionylfluorid bei -50 bis -80" erhaltlich.In vorangegangenen Abhandlungen wurde bereits dariiber berichtet, dal3 urn durch sorgfaltige Untersuchung der IR-Spektren der Nachweis der Existenz zweier isomerer D… Show more

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Cited by 34 publications
(20 citation statements)
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“…The nuclear quadrupole coupling constant v ij is expressed as the tensor product between the nuclear quadrupole moment tensor Q (2) and the electric field gradient tensor V (2) . To calculate the matrix elements of these effective Hamiltonian terms, the Wang-transformed basis functions jJK, (I(1)I(2))I, FM F , ci were used, where c is the parameter indicating the parity symmetry in a rotational state.…”
Section: Resultsmentioning
confidence: 99%
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“…The nuclear quadrupole coupling constant v ij is expressed as the tensor product between the nuclear quadrupole moment tensor Q (2) and the electric field gradient tensor V (2) . To calculate the matrix elements of these effective Hamiltonian terms, the Wang-transformed basis functions jJK, (I(1)I(2))I, FM F , ci were used, where c is the parameter indicating the parity symmetry in a rotational state.…”
Section: Resultsmentioning
confidence: 99%
“…The (0, 0) level of 0 00 can interact mainly with (2, 0), of 2 11 (O + ) through v ac as seen in Table 3. On the other hand, the (2, 2) level of 0 00 interacts mainly with two levels, (3,2) and (1, 2), of 2 12 (O À ) through v ab . Therefore, the splitting of 0 00 in Fig.…”
Section: Discussionmentioning
confidence: 98%
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“…75 °C, where the peaks coalesce and the compounds decompose, leaves the distinction between 1 and 2 unresolved. To be sure, S 2 (OCH 2 R) 2 analogues are in the disulfide form in the gas phase 3c and the solid state. 3b, However, the low barriers to rotation about S−O and S−S bonds (6−9 ,9b and 8−10 ,, kcal/mol, respectively), the existence of isomers for S 2 F 2 , and the capacity for isomerization of FSSF to F 2 SS above −100 °C continue to suggest the possibility that 1 rearranges to branch-bonded valence isomer 2 in solution 7b. The latter would display diastereotopic methylene protons at ambient temperature and carries the potential for NMR coalescence due to inversion at S(S).…”
mentioning
confidence: 99%