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Related Experiment Videos

Sodium pyridine-3-carboxylate.

Craig M Forsyth1, Pamela M Dean, Douglas R MacFarlane

  • 1Department of Chemistry, Monash University, Wellington Road, Clayton, Victoria 3800, Australia.

Acta Crystallographica. Section C, Crystal Structure Communications
|April 7, 2007
PubMed
Summary

This study details the crystal structure of sodium nicotinate, revealing a unique three-dimensional array formed by sodium atoms and pyridine-3-carboxylate ligands. The coordination network highlights extensive sodium interactions, creating infinite chains and linked structures.

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Area of Science:

  • Inorganic Chemistry
  • Crystallography
  • Coordination Chemistry

Background:

  • Sodium nicotinate is a salt derived from nicotinic acid (Vitamin B3).
  • Understanding the coordination chemistry of metal carboxylates is crucial for materials science.

Purpose of the Study:

  • To elucidate the crystal structure and coordination environment of sodium nicotinate.
  • To investigate the bonding interactions between sodium ions and pyridine-3-carboxylate ligands.

Main Methods:

  • Single-crystal X-ray diffraction analysis was employed.
  • Structural characterization focused on atomic positions and coordination geometries.

Main Results:

  • The crystal structure reveals two unique sodium atoms coordinated to two unique pyridine-3-carboxylate ligands.

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  • One sodium atom and one ligand are situated on a crystallographic twofold axis.
  • Extensive sodium coordination forms a 3D array with infinite NaO(2)CR chains linked by Na-N bonds.

    • Conclusions:

    • Sodium nicotinate exhibits a complex coordination network in the solid state.
    • The structure demonstrates intricate interactions between sodium cations and the pyridine-3-carboxylate anion.