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Gasphasen-Reaktionen, 71 [1-3]. PE-Spektren und Pyrolysen stickstoffreicher Kohlenstoff-Verbindungen: CN4, C2N4, C2H2N4, C4H6N4 und C5H4N4
Gasphase reactions, 72 [1-3]. PE spectra and pyrolyses of nitrogen-rich carbon compounds: CN4, C2N4, C2H2N4, C4H6N4 and C5H4N4
- The PE spectra of the nitrogen-rich title compounds cyanogen azide NC-N3, azodicarbonitrile NC - N = N - CN, azidoacetonitrile NC - H2C - N3, tetrazolo[1,5-a]pyridine (H4C5N)(N )3 and trimethylenetetrazole (H2C)3(CN4) are presented and assigned by radical cation state comparison with related compounds or by Koopmans’ correlation with MNDO eigenvalues. In a low pressure flow system the compounds decompose at higher temperatures, with elimination of the thermodynamically favorable N2 molecule. PE-spectroscopic real-time analysis reveals as further products: NC - N3 → C∞, NC - N = N - CN → NC - CN , NC - H2C - N3 → 2HCN (+ traces NC - HC = NH?) and (H2C)3(CN4) → H2C = N - CN + H2C = CH2. For tetrazolo[1,5-a]pyridine, a preceding ring opening to the corresponding 2-azidopyridine is observed.
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| Author: | Hans BockGND, Ralph DammelGND, Primož Lorenčak, Curt WentrupORCiDGND |
|---|---|
| URN: | urn:nbn:de:hebis:30:3-814517 |
| DOI: | https://doi.org/10.1515/znb-1990-0112 |
| ISSN: | 1865-7117 |
| ISSN: | 0932-0776 |
| Parent Title (German): | Zeitschrift für Naturforschung, B |
| Publisher: | Verlag der Zeitschrift für Naturforschung |
| Place of publication: | Tübingen |
| Document Type: | Article |
| Language: | German |
| Date of Publication (online): | 2014/06/02 |
| Year of first Publication: | 1990 |
| Publishing Institution: | Universitätsbibliothek Johann Christian Senckenberg |
| Release Date: | 2024/01/18 |
| Tag: | Azidoacetonitrile Trimethylenetetrazole and Tetrazolo[1,5-a]pyridine; Azodicarbonitrile; Cyanogen Azide; Gasphase Pyrolyses |
| Volume: | 45.1990 |
| Page Number: | 13 |
| First Page: | 59 |
| Last Page: | 71 |
| Institutes: | Biochemie, Chemie und Pharmazie / Biochemie und Chemie |
| Dewey Decimal Classification: | 5 Naturwissenschaften und Mathematik / 54 Chemie / 540 Chemie und zugeordnete Wissenschaften |
| Sammlungen: | Universitätspublikationen |
| Licence (German): |  Creative Commons - Namensnennung-Nicht kommerziell-Keine Bearbeitung 3.0 |
