X-ray and spectroscopic investigation of 5-hydroxy-9,10-dihydro-4-azaphenanthrene-4-oxide
| Autor: | Wieslaw Z. Antkowiak, Maciej Kubicki, Teresa Borowiak, H. Chruścicki |
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| Rok vydání: | 1993 |
| Předmět: |
Hydrogen
Chemistry Hydrogen bond chemistry.chemical_element General Chemistry Crystal structure Nuclear magnetic resonance spectroscopy Condensed Matter Physics Crystallography chemistry.chemical_compound Structural Biology Intramolecular force X-ray crystallography Molecule Spectroscopy Organometallic chemistry |
| Zdroj: | Journal of Crystallographic and Spectroscopic Research. 23:113-118 |
| ISSN: | 1572-8854 0277-8068 |
| DOI: | 10.1007/bf01195445 |
| Popis: | The crystal structure of 5-hydroxy-9,10-dihydro-4-azaphenanthrene-4-oxide has been determined. The asymmetric unit contains three molecules which slightly differ in their geometries. The 2-phenylpyridine skeleton has been stiffened by linking in the 3,6′-positions with the-CH2-CH2-group and by the intramolecular hydrogen bond O-H⋯O. In consequence, a more planar conformation of the molecule is observed in comparison with the conformation of 2-(2-hydroxyphenyl)pyridine-1-oxide where the only flattening factor is the intramolecular hydrogen bond. NMR results confirm that the conformational rigidity persists in solution. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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