Crystal structure of dimethyl N,N′-[(ethyne-1,2-diyl)bis(1,4-phenylenecarbonyl)]bis(l-alaninate)

Crystal structure of dimethyl N,N′-[(ethyne-1,2-diyl)bis(1,4-phenylenecarbonyl)]bis(l-alaninate)

The diphenylethyne unit of the title molecule, C24H24N2O6, deviates slightly from planarity. The l-alanine moieties adopt distorted helical conformations of opposite winding direction. Infinite ribbons of N—H...O=C-connected molecules represent the basic supramolecular entities of the crystal struct...

Full description

Bibliographic Details
Main Authors: Frank Eissmann, Wilhelm Seichter, Edwin Weber
Format: Article
Language:English
Published: International Union of Crystallography 2019-06-01
Series:Acta Crystallographica Section E: Crystallographic Communications
Subjects:
crystal structure
bis(L-alaninate)
molecular tape formation
N—H...O=C and C—H...O hydrogen bonding
Online Access:http://scripts.iucr.org/cgi-bin/paper?S2056989019005826
Description
Summary:The diphenylethyne unit of the title molecule, C24H24N2O6, deviates slightly from planarity. The l-alanine moieties adopt distorted helical conformations of opposite winding direction. Infinite ribbons of N—H...O=C-connected molecules represent the basic supramolecular entities of the crystal structure. These aggregates are linked by C—H...O hydrogen bonds involving the oxygen atoms of the methyl carboxylate units. The crystal studied was refined as an inversion twin.
ISSN:2056-9890

Similar Items