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Related Experiment Video

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Guanidinium l-glutamate.

Bing Peng1, Qingrong Peng, Wenfeng Zhou

  • 1Department of Applied Chemistry, China Agricultural University, Yuanmingyuan, West Road 2, Haidian District, Beijing 100194, People's Republic of China.

Acta Crystallographica. Section E, Structure Reports Online
|May 19, 2011
PubMed
Summary

The crystal structure reveals a unique three-dimensional network formed by guanidinium cations and 5-aminopentanoic acid anions linked via hydrogen bonds. This arrangement is crucial for understanding molecular interactions in crystalline solids.

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Area of Science:

  • Crystallography
  • Materials Science
  • Chemical Physics

Background:

  • Guanidinium salts and amino acid derivatives are common in chemical research.
  • Understanding intermolecular interactions is key to designing new materials.
  • Crystal structure analysis provides fundamental insights into molecular assembly.

Purpose of the Study:

  • To elucidate the crystal structure of the title compound, CH(6)N(3) (+)·C(5)H(8)NO(4) (-).
  • To investigate the intermolecular interactions governing the solid-state arrangement.
  • To characterize the formation of a three-dimensional network within the crystal lattice.

Main Methods:

  • Single-crystal X-ray diffraction was employed to determine the molecular and crystal structure.
  • Analysis of the asymmetric unit revealed the presence of two independent cations and anions.
  • Intermolecular interactions, specifically N-H⋯O hydrogen bonds, were identified and analyzed.

Main Results:

  • The crystal structure consists of guanidinium cations (CH(6)N(3) (+)) and 5-aminopentanoic acid anions (C(5)H(8)NO(4) (-)).
  • Two independent cations and two independent anions occupy the asymmetric unit.
  • A robust three-dimensional network is formed through extensive inter-molecular N-H⋯O hydrogen bonding.

Conclusions:

  • The study successfully determined the crystal structure of the title compound.
  • The hydrogen bonding network plays a critical role in stabilizing the crystal lattice.
  • This structural information contributes to the broader understanding of supramolecular chemistry and crystal engineering.