Mixed salts of amino acids: L-lysinium(2+) chloride nitrate, L-lysinium(2+) chloride tetrafluoroborate and L-lysinium(2+) chloride perchlorate

Autor(en)
V. V. Ghazaryan, Michel Fleck, A.M. Petrosyan
Abstrakt

The mixed salts of L-lysinium(2+) chloride nitrate (I), L-lysinium(2+) chloride tetrafluoroborate (II) andL-lysinium(2+) chloride perchlorate (III) have been obtained from aqueous solution and their crystalstructures have been determined. All three crystals crystallize in the monoclinic system (space groupP21), (II) and (III) are even isostructural. The asymmetric unit of (I) contains one formula unit(L-Lys2+.Cl.NO3- ), in contrast to the asymmetric units of (II) and (III) which contain two formula unitsof (L-Lys2+.Cl.BF4-) and (L-Lys2+.Cl.ClO4- ). The L-Lys2+ cations in the structures have similarly extendedconformation, although there is a difference: In (I), the a-carbon is in gauche and the NH3-group in transposition, in (II) and (III) it is the other way round. The crystals are stabilized by an extensive network ofOAH...Cl, NAH...Cl, and NAH...O, NAH...F hydrogen bonds. ATR FTIR and Raman spectra of the salts havebeen registered and are discussed.

Organisation(en)
Institut für Mineralogie und Kristallographie
Externe Organisation(en)
National Academy of Sciences of the Republic of Armenia
Journal
Journal of Molecular Structure
Band
984
Seiten
268-275
Anzahl der Seiten
8
ISSN
0022-2860
Publikationsdatum
2010
Peer-reviewed
Ja
ÖFOS 2012
105113 Kristallographie
Link zum Portal
https://ucrisportal.univie.ac.at/de/publications/d73ce205-20e6-4d8e-9fa9-ccbf634789b0