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Real-time Monitoring of Ligand-receptor Interactions with Fluorescence Resonance Energy Transfer
12:23

Real-time Monitoring of Ligand-receptor Interactions with Fluorescence Resonance Energy Transfer

Published on: August 20, 2012

Choline dihydrogen phosphate.

Kyoko Fujita, Douglas R Macfarlane, Keiichi Noguchi

    Acta Crystallographica. Section E, Structure Reports Online
    |May 18, 2011
    PubMed
    Summary
    This summary is machine-generated.

    The crystal structure of (2-hydroxy-ethyl)trimethylammonium dihydrogen phosphate reveals unique hydrogen bonding. Dimeric anions and columnar cation-anion structures are formed through O-H⋯O and C-H⋯O interactions.

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    Area of Science:

    • Crystallography
    • Supramolecular Chemistry
    • Materials Science

    Background:

    • Hydrogen bonding plays a crucial role in the assembly of crystal structures.
    • Understanding the interactions within ionic compounds is key to predicting their properties.

    Purpose of the Study:

    • To elucidate the crystal structure of (2-hydroxy-ethyl)trimethylammonium dihydrogen phosphate.
    • To investigate the hydrogen bonding network and intermolecular interactions within the compound.

    Main Methods:

    • Single-crystal X-ray diffraction was employed to determine the crystal structure.
    • Analysis of hydrogen bond donors and acceptors was performed.

    Main Results:

    • The crystal structure features dimeric dihydrogen phosphate anions linked by O-H⋯O hydrogen bonds.
    • Cations connect these anion dimers via hydroxyl group interactions, forming a columnar structure along the a-axis.
    • Additional C-H⋯O interactions were identified, contributing to the overall crystal packing.

    Conclusions:

    • The study successfully characterized the crystal structure and hydrogen bonding of (2-hydroxy-ethyl)trimethylammonium dihydrogen phosphate.
    • The observed supramolecular arrangement highlights the interplay between ionic and hydrogen bonding in this material.