Crystal structure of 5-fluoro-1-(2,3,6-trideoxy-?-l-glycero-hex-2-enopyranos-4-ulosyl)uracil

Autor:	A. P. Sharma, Nibaran Das, Gabriele Bocelli, M. Datta, S. K. Mazumdar, A. P. Ollapally, S. K. Talapatra, A. K. Das
Rok vydání:	1993
Předmět:	Stereochemistry Hydrogen bond General Chemistry Crystal structure Dihedral angle Condensed Matter Physics Ring (chemistry) Crystal chemistry.chemical_compound Crystallography chemistry Structural Biology X-ray crystallography Molecule Spectroscopy Organometallic chemistry
Zdroj:	Journal of Crystallographic and Spectroscopic Research. 23:301-303
ISSN:	1572-8854 0277-8068
DOI:	10.1007/bf01263591
Popis:	The present compound crystallizes in the space groupP212121 withZ=4 and cell parametersa=21.687(2),b=8.155(3),c=5.883(2)A. The structure was solved by direct methods and refined by full-matrix least-squares to a finalR value of 0.045 for 1153 observed reflections. The N-glycosidic torsion angle χCN is in the anti-range and the pyranosyl ring adopts a distorted half-chair conformation with φ2=142.7(4)°,θ2=124.4(3)° andQ=0.456(2)A. In the crystal packing the molecules are linked together by N-H⋯O hydrogen bonds and C-H⋯O contacts.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::831136329ccbf390323b1a357640b70e https://doi.org/10.1007/bf01263591 Zobrazit plný text záznamu Full text from SpringerLink