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Crystal and Molecular Structure of 3-(N-Methoxy-N-methylcarbamoyl)- 2,2,5,5-tetramethyl-1-oxy-pyrroline

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Crystal and Molecular Structure of 3-(N-Methoxy-N-methylcarbamoyl)- 2,2,5,5-tetramethyl-1-oxy-pyrroline

Guido D. Frey and Eberhardt Herdtweck

Department f¨ur Chemie, Lehrstuhl f¨ur Anorganische Chemie, Technische Universit¨at M¨unchen, Lichtenbergstraße 4, 85747 Garching, Germany

Reprint requests to Dr. Guido D. Frey. Fax: +49(0)89 289 13473. E-mail: guido.frey@ch.tum.de or Dr. Eberhardt Herdtweck. E-mail: eberhardt.herdtweck@ch.tum.de

Z. Naturforsch.2010,65b,475 – 478; received January 11, 2010

The crystal structure of the stable nitroxide radical 3-(N-methoxy-N-methylcarbamoyl)-2,2,5,5- tetramethyl-1-oxy-pyrroline was determined from single-crystal X-ray data: orthorhombic, space group Pbca(no. 61),a= 9.0213(1),b= 12.8625(1), c= 21.2406(2) ˚A,V = 2464.68(4) ˚A3 and Z= 8. The adjacent molecules assemble to a supramolecular layer structure in the solid state, linked by two intermolecular C–H···O hydrogen bonds.

Key words:Crystal Structure, Nitroxide, Radical

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