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Related Experiment Video

Updated: May 15, 2026

Synthesis of Triazole and Tetrazole-Functionalized Zr-Based Metal-Organic Frameworks Through Post-Synthetic Ligand Exchange
04:51

Synthesis of Triazole and Tetrazole-Functionalized Zr-Based Metal-Organic Frameworks Through Post-Synthetic Ligand Exchange

Published on: June 23, 2023

dl-Tyrosinium chloride dihydrate.

Fatiha Guenifa1, Lamia Bendjeddou, Aouatef Cherouana

  • 1Unité de Recherche Chimie de l'Environnement et Moleculaire Structurale, (CHEMS), Faculté des Sciences Exactes, Campus Chaabet Ersas, Université Mentouri de Constantine, 25000 Constantine, Algeria.

Acta Crystallographica. Section E, Structure Reports Online
|January 4, 2013
PubMed
Summary

This study details the crystal structure of a tyrosinium chloride dihydrate compound. It reveals a layered arrangement stabilized by extensive hydrogen bonding networks involving cations, chloride ions, and water molecules.

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Study of Short Peptide Adsorption on Solution Dispersed Inorganic Nanoparticles Using Depletion Method
09:43

Study of Short Peptide Adsorption on Solution Dispersed Inorganic Nanoparticles Using Depletion Method

Published on: April 11, 2020

Area of Science:

  • Crystallography
  • Materials Science
  • Chemical Physics

Background:

  • Understanding the crystal structure of amino acid derivatives is crucial for pharmaceutical and materials science applications.
  • Protonation of amino groups in amino acids can significantly alter their physical and chemical properties.
  • Hydrogen bonding plays a vital role in the self-assembly and stability of molecular structures.

Purpose of the Study:

  • To elucidate the detailed crystal structure of the title compound, C(9)H(12)NO(3) (+)·Cl(-)·2H(2)O.
  • To characterize the hydrogen bonding interactions present in the crystal lattice.
  • To analyze the arrangement of tyrosinium cations and water molecules within the structure.

Main Methods:

  • Single-crystal X-ray diffraction was employed to determine the molecular and crystal structure.
  • Analysis of bond lengths, bond angles, and hydrogen bond geometry.
  • Identification of supramolecular motifs and network topology.

Main Results:

  • The crystal structure consists of double layers parallel to the [010] direction, formed by tyrosinium cations and chloride ions.
  • Extensive hydrogen bonding (N-H⋯O, N-H⋯Cl, O-H⋯O, O-H⋯Cl) stabilizes the layered structure.
  • Tyrosinium cations form inversion dimers within the layers, and water molecules contribute to a 3D hydrogen-bonded network with specific motifs (R(6)(6)(28) and R(8)(8)(34)).

Conclusions:

  • The compound exhibits a complex hydrogen-bonded network, highlighting the interplay between organic cations, counterions, and water.
  • The observed structural arrangement provides insights into the solid-state behavior of protonated amino acids.
  • The findings contribute to the understanding of crystal engineering principles for designing functional materials.