Supercell and subcell description of the crystal structure of triammonium bis(O‐phospho‐l‐serinate) trihydrate
Identifieur interne : 001534 ( Main/Exploration ); précédent : 001533; suivant : 001535Supercell and subcell description of the crystal structure of triammonium bis(O‐phospho‐l‐serinate) trihydrate
Auteurs : Małgorzata Hoły Ska [Pologne] ; Iwona Bryndal [Pologne] ; Tadeusz Lis [Pologne]Source :
- Acta Crystallographica Section B [ 0108-7681 ] ; 2006-10.
English descriptors
- Teeft :
- Acta, Acta cryst, Ammonium, Ammonium cation, Ammonium cations, Anion, Asymmetric unit, Atom protonating, Average solution, Average structure, Average structure solution, Bond lengths, Bryndal, Cation, Cell constants, Cryst, Crystal structure, Dianions, Diffraction pattern, Displacement ellipsoids, Hydrogen bonds, Monoanions, Occupational disorder, Probability level, Pser, Pser anion, Pser anions, Pser monoanions, Research papers table, Space group, Structure solution, Superstructure, Title compound, Title salt, Triammonium, Triammonium trihydrate, Triammonium trihydrate acta cryst, Trihydrate, Water molecule, Water molecules, Weak superstructure, Whole data.
Abstract
The X‐ray diffraction pattern obtained for a crystal of triammonium bis(O‐phospho‐l‐serinate) trihydrate at 100 K displays the presence of weak superstructure reflections with odd l indices. Omission of the superstructure reflections leads to orthorhombic Laue symmetry. The structure may be solved and refined in the space group P212121 as an average structure omitting the weak reflections. The model reveals the presence of O‐phospho‐l‐serinate monoanions, ammonium cations and partly disordered water molecules. The structure solution for the whole data set could be obtained only in the space group P21. There are two monoanions and two dianions of O‐phospho‐l‐serinate per asymmetric unit, as well as six ordered ammonium cations and six water molecules.
Url:
DOI: 10.1107/S0108768106023573
Affiliations:
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Omission of the superstructure reflections leads to orthorhombic Laue symmetry. The structure may be solved and refined in the space group P212121 as an average structure omitting the weak reflections. The model reveals the presence of O‐phospho‐l‐serinate monoanions, ammonium cations and partly disordered water molecules. The structure solution for the whole data set could be obtained only in the space group P21. There are two monoanions and two dianions of O‐phospho‐l‐serinate per asymmetric unit, as well as six ordered ammonium cations and six water molecules.</div></front></TEI><affiliations><list><country><li>Pologne</li></country></list><tree><country name="Pologne"><noRegion><name sortKey="Holy Ska, Malgorzata" sort="Holy Ska, Malgorzata" uniqKey="Holy Ska M" first="Małgorzata" last="Hoły Ska">Małgorzata Hoły Ska</name></noRegion><name sortKey="Bryndal, Iwona" sort="Bryndal, Iwona" uniqKey="Bryndal I" first="Iwona" last="Bryndal">Iwona Bryndal</name><name sortKey="Lis, Tadeusz" sort="Lis, Tadeusz" uniqKey="Lis T" first="Tadeusz" last="Lis">Tadeusz Lis</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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