Poly[μ(3)-β-alanine-aqua-μ(4)-sulfato-dilithium].
Acta Crystallographica. Section E, Structure Reports Online
|February 21, 2012
Summary
This study details a new coordination polymer, [Li(2)(SO(4))(C(3)H(7)NO(2))(H(2)O)](n), featuring zwitterionic beta-alanine. Its layered crystal structure, stabilized by hydrogen bonds, offers insights into novel material design.
Area of Science:
- Coordination chemistry
- Materials science
- Crystallography
Background:
- Coordination polymers are materials with diverse applications.
- Beta-alanine is an important amino acid with zwitterionic properties.
- Understanding the crystal structure of new compounds is crucial for material development.
Purpose of the Study:
- To synthesize and characterize a novel coordination polymer containing lithium, sulfate, and beta-alanine.
- To elucidate the crystal structure and bonding of the title compound.
- To investigate the role of beta-alanine in the coordination polymer framework.
Main Methods:
- Single-crystal X-ray diffraction was used to determine the crystal structure.
- The coordination environment of lithium cations was analyzed.
- Hydrogen bonding interactions were identified and studied.
Main Results:
- The compound [Li(2)(SO(4))(C(3)H(7)NO(2))(H(2)O)](n) was successfully synthesized.
- A corrugated layered structure was observed, with alternating inorganic ([LiO(4)], [SO(4)]) and organic (beta-alanine) layers.
- Beta-alanine residues were found to exist in their zwitterionic form.
- Lithium cations exhibited a distorted tetrahedral coordination geometry.
Conclusions:
- The study presents a novel layered coordination polymer built from lithium, sulfate, and zwitterionic beta-alanine.
- The crystal structure is stabilized by a network of N-H⋯O hydrogen bonds.
- This work contributes to the understanding of coordination polymer structures and the incorporation of amino acids.
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