Researches on the construction of supramolecular helical chains in crystallized β-alaninium sulfate/ perchlorate compounds

The ways of simple β-alanine self-organizing into supromolecular helical chains in two β-alanine-acid compounds, (H2L)2SO4 (1) and H2LClO4 (2), were discussed in this work. β-alanine molecular displays two kinds of molecule torsion geometries (I and II) in compound 1, which construct supramolecular Z-shaped chains and supramolecular helical chains, respectively. While β-alanine molecular displays only one kind of molecule torsion geometries in compound 2, which construct supramolecular helical chains. This work summarizes the way of simple molecules self-organizing into supromolecular helical structure and offers a good case for achiral ligands to construct supramolecular helical chains.296