1984
DOI: 10.1002/cber.19841170115
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Gasphasen‐Reaktionen, 40. Selenoformaldehyd: hochkorrelierte Wellenfunktion und photoelektronenspektroskopischer Nachweis

Abstract: Nach dem unbekannten Molekul Selenoformaldehyd, H,C = Se, wird systematisch gesucht, beginnend mit der Vorausberechnung seines Ionisationsmusters aus ab-initio-PNO-CI-und CEPAWellenfunktionen. Als Selen-Ausgangsverbindungen werden H,CSeSeCH,, H,CSeCN, H,CSeCI und (H2CSe), im Gasstrom unter PE-spektroskopischer Echtzeit-Analytik pyrolysiert: Aus den Pyrolysegemisch-Spektren l l R t sich durch Spektren-Subtraktion mit Hilfe eines Rechners ein lonisationsmuster herausschalen, das mit der quantenchemischen Vorauss… Show more

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Cited by 63 publications
(16 citation statements)
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“…For a solid-base temperature of 50 8C, this compound had completely disappeared from the mass spectrum and a base peak at m/z 90 attributed to the methylenearsane 1 was observed. The high-resolution mass spectrum confirms the composition of CH 3 As for the product (calcd for CH 3 As: 89.94507; found: 89.9449). Traces of methylarsane (calcd for CH 5 As: 91.96072; found: 91.9608) and carbon dioxide were also observed.…”
supporting
confidence: 59%
See 1 more Smart Citation
“…For a solid-base temperature of 50 8C, this compound had completely disappeared from the mass spectrum and a base peak at m/z 90 attributed to the methylenearsane 1 was observed. The high-resolution mass spectrum confirms the composition of CH 3 As for the product (calcd for CH 3 As: 89.94507; found: 89.9449). Traces of methylarsane (calcd for CH 5 As: 91.96072; found: 91.9608) and carbon dioxide were also observed.…”
supporting
confidence: 59%
“…Several of the simplest low-coordinated compounds bearing a nitrogen, [1] silicon, phosphorus, or sulfur atom have been prepared [2] but few of the corresponding derivatives with a heteroatom of the following rows of the periodic table have been characterized. [3] Due to a lack of any experimental data, the gas-phase proton affinity, [4] the p-bond strength, [5] or the reactivity trends [6] of the simplest arsaalkene, the methylenearsane 1, have only been investigated from a theoretical point of view.…”
mentioning
confidence: 99%
“…Selenoformaldehyde was detected as a visible absorption '~u t h o r to whom correspondence may be addressed spectrum by the long path length photographic technique (4) and at the same time by photoelectron spectroscopy (5). Shortly thereafter it was found as an emission in the cool flames of a F2 and (CH3),Se2 mixture (6).…”
Section: Introductionmentioning
confidence: 99%
“…Another potentially polymerizing species is a highly reactive selenoformaldehyde, H 2 C=Se [11][12][13][14] that has been detected in the course of the flash pyrolysis of dimethyl selenium [11] and that may yield [15] a yet unreported poly(selenoformaldehyde) (Scheme 1).…”
Section: Introductionmentioning
confidence: 99%