Acta Crystallographica Section C

Crystal Structure Communications

Volume 58, Part 8 (August 2002)

organic compounds

gd1209 scheme

Acta Cryst. (2002). C58, o533-o536    [ doi:10.1107/S0108270102011691 ]

N-(L-2-Aminobutyryl)-L-alanine and 2-(L-alanylamino)-L-butyric acid 0.33-hydrate

C. H. Görbitz

Abstract: The crystal structure of N-(L-2-amino­butyryl)-L-alanine, C7H14N2O3, is closely related to the structure of L-alanyl-L-alanine, both being tetragonal, while the retro-analogue 2-(L-alanyl­amino)-L-butyric acid 0.33-hydrate, C7H14N2O3·­0.33H2O, forms a new type of molecular columnar structure with three peptide mol­ecules in the asymmetric unit.

Formula: C7H14N2O3 and C7H14N2O3·0.33H2O

hkldisplay filedownload file

Structure factor file (CIF format) (51.1 kbytes)
[ doi:10.1107/S0108270102011691/gd1209Isup2.hkl ]
Contains datablock I

hkldisplay filedownload file

Structure factor file (CIF format) (518.6 kbytes)
[ doi:10.1107/S0108270102011691/gd1209IIsup3.hkl ]
Contains datablock II


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