2013
DOI: 10.1063/1.4826647
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Iminopropadienones RN=C=C=C=O and bisiminopropadienes RN=C=C=C=NR: Matrix infrared spectra and anharmonic frequency calculations

Abstract: Methyliminopropadienone MeN=C=C=C=O 1a was generated by flash vacuum thermolysis from four different precursors and isolated in solid argon. The matrix-isolation infrared spectrum is dominated by unusually strong anharmonic effects resulting in complex fine structure of the absorptions due to the NCCCO moiety in the 2200 cm−1 region. Doubling and tripling of the corresponding absorption bands are observed for phenyliminopropadienone PhN=C=C=C=O 1b and bis(phenylimino)propadiene PhN=C=C=C=NPh 9, respectively. A… Show more

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Cited by 4 publications
(5 citation statements)
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“…Higher-level multideterminant calculations of these reactions will be reported. 42 More generally, the deceptively simplest reaction mechanisms are not always the best.…”
Section: Discussionmentioning
confidence: 99%
“…Higher-level multideterminant calculations of these reactions will be reported. 42 More generally, the deceptively simplest reaction mechanisms are not always the best.…”
Section: Discussionmentioning
confidence: 99%
“…The sulfur analogues RN=C=C=C=S, [69] and the bisimines RN=C=C=C=NR' [152,154] have also been generated in FVP reactions and observed by mass spectrometry and matrix-IR spectroscopy, where they absorb strongly in the 2100 cm -1 range.…”
Section: Photoelectron Spectroscopy With Ir/uv/msmentioning
confidence: 99%
“…[139] Allylradikale wurden mittels FVP von 1,5-Hexadien bei 750 8 8Cu nd ca. Iminopropadienone sind durch Matrix-IR-Spektroskopie, [151,152] MS, [90,151a] PES [153] wie auch chemische Reaktionen und in einigen Fällen NMR-Spektroskopie [151c] ausführlich charakterisiert worden. Die Allylradikale in den Trçpfchen wurden in der Gasphase massenspektrometrisch und IR-spektroskopisch charakterisiert.…”
Section: Angewandte Chemieunclassified
“…Die Schwefelanaloga RN = C = C = C = S [69] und die Bisimine RN = C = C = C = NR' [152,154] wurden gleichfalls durch FVP-Reaktionen generiert und durch Massenspektrometrie und Matrix-IR-Spektroskopie charakterisiert, wobei sie eine starke Absorption im Bereich von ñ % 2100 cm À1 zeigen.…”
Section: Angewandte Chemieunclassified
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