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Crystal structure of l(+)-cysteine hydrochloride monohydrate*
Veröffentlicht/Copyright:
28. Juli 2010
Abstract
l(+)-cysteine hydrochloride monohydrate crystallizes in the space group P212121, with a = 19.48 Å, b = 7.12 Å, c = 5.52 Å. The structure was determined in projections and refined with three-dimensional data to R = 0.124 for observed reflections. Interesting features of the structure are, (a) a possible S–H···Cl bond, the sulfur atom acting as a donor and, (b) the carboxyl-oxygen atom O(2) not taking part in hydrogen bonding. The molecule assumes a nonzwitterion form. Its conformation, relative to other similar sulfur-containing amino acids, is discussed.
Published Online: 2010-07-28
Published in Print: 1968-01
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Artikel in diesem Heft
- A special case of two-dimensionally disordered crystals
- Die Kristallstruktur des Koenenits, eine Doppelschichtstruktur mit zwei inkommensurablen Teilgittern
- Zur Indizierung von Pulverdiagrammen tetragonaler und hexagonaler Substanzen
- Etch patterns on apophyllite basal cleavages
- Die Kristallstruktur von Li2(Si0,25Ge0,75)2O5
- The crystal structure of LiAlSi2O6-II (“β spodumene”)
- Phase solution of para-chlorophenol
- Crystal structure of an eighteen-layered polytype of cadmium iodide
- X-ray diffraction effects by non-ideal crystals of biotite, muscovite, montmorillonite, mixed-layer clays, graphite, and periclase*
- The crystal structure of alamosite, PbSiO31
- Sauerstoff als Koordinationszentrum in Kristallstrukturen
- Low-iron polymorphs in the pyrrhotite group
- Revised crystal structure of dehydrated Na-Type A zeolite
- Verfeinerung der Tl2O3-Struktur mittels Neutronenbeugung
- The location of hydrogen atoms in crystalline ionic hydrates
- Disorder phenomenon in cadmium iodide crystals
- Crystal structure of single-layer lizardite
- Proof that the pgg packing of ellipses has never the maximum density
- Weighting function in crystal-structure analysis*
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- Antisymmetrische OD-Strukturen
- Studies on etching of neutron-irradiated calcium fluoride single crystals
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- Electron-optical studies of etch patterns on calcium fluoride
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- Eighth International Congress of Crystallography
- Intercongress Meeting, 1968
