2003
DOI: 10.1002/ange.200351879
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Dicyanocarbodiimide and Trinitreno‐s‐triazine Generated by Consecutive Photolysis of Triazido‐s‐triazine in a Low‐Temperature Nitrogen Matrix

Abstract: Molekulare Kohlenstoffnitride: Bei der Photolyse von Triazido‐s‐triazin (C3N12, 1) mit λ=266 nm in einer Stickstoffmatrix bei 20 K entstehen nacheinander verschiedene reaktive Spezies – zuerst vermutlich ein Trinitren, dann NCN und schließlich ein neues C3N4‐Isomer, das Dicyanocarbodiimid NCNCNCN (siehe Schema).

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Cited by 9 publications
(6 citation statements)
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References 22 publications
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“…Binary (and multinary) nitrides have been the subject of many studies in the past decades. One might conclude from a comparison of the binary element(IV) oxides SiO 2 and CO 2 with the nitrides Si 3 N 4 and C 3 N 4 that molecular carbon(IV) nitrides exist; however, tricyanamide N(CN) 3 , dicyancarbodiimide NC‐NCN‐CN, and dicyandiazomethane N 2 C(CN) 2 cannot be isolated under ambient conditions and were detected only at very low temperatures 12…”
Section: Methodsmentioning
confidence: 99%
“…Binary (and multinary) nitrides have been the subject of many studies in the past decades. One might conclude from a comparison of the binary element(IV) oxides SiO 2 and CO 2 with the nitrides Si 3 N 4 and C 3 N 4 that molecular carbon(IV) nitrides exist; however, tricyanamide N(CN) 3 , dicyancarbodiimide NC‐NCN‐CN, and dicyandiazomethane N 2 C(CN) 2 cannot be isolated under ambient conditions and were detected only at very low temperatures 12…”
Section: Methodsmentioning
confidence: 99%
“…Bei einem Vergleich der binären Element(IV)-oxide SiO 2 und CO 2 mit den Nitriden Si 3 N 4 und C 3 N 4 kçnnte man vermuten, dass es stabile molekulare Kohlenstoff(IV)-nitride gibt, jedoch sind Tricyanamid N(CN) 3 , Dicyancarbodiimid NC-NCN-CN und Dicyandiazomethan N 2 C(CN) 2 unter Normalbedingungen nicht isolierbar und konnten nur bei sehr tiefen Temperaturen nachgewiesen werden. [12] Das nun erstmals verfügbare gt-C 3 N 4 zeigt einige Besonderheiten. So berichten die Autoren, dass es sich nur als Dreilagenschicht vereinzeln lässt, also bislang nicht wie Graphen als Monolage nachgewiesen werden konnte.…”
Section: Angewandte Highlightsunclassified
“…1 Although some early reports discussed the possibility of synthesising stable CN x materials, 2 the research in the field of carbon(IV) nitrides was initiated by predictions published by Cohen and Liu, 3 followed by numerous theoretical 4 and experimental 5 studies. 1 For the two monomolecular carbon(IV) nitrides, dicyanocarbodiimide NC-NCN-CN and tricyanamine N(CN) 3 , the latter has only been calculated 6 while the former was recently photolytically generated in an inert matrix at 20 K. 7 In addition, about a dozen 3D C 3 N 4 crystalline phases and about the same number of graphite-like 2D compounds have been predicted. A selection of the latter is depicted in Scheme 1.…”
Section: Introductionmentioning
confidence: 99%