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Related Experiment Videos

DL-Alanine.

M Subha Nandhini1, R V Krishnakumar, S Natarajan

  • 1Department of Physics, Madurai Kamaraj University, Madurai 625 021, India.

Acta Crystallographica. Section C, Crystal Structure Communications
|May 16, 2001
PubMed
Summary
This summary is machine-generated.

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The crystal structure of C3H7NO2 reveals molecular dimensions and packing. Molecules form alternating layers of single isomers, linked by cell translation and screw axes, with adjacent layers connected by glide planes.

Area of Science:

  • Crystallography
  • Molecular Structure
  • Chemical Physics

Background:

  • Understanding molecular aggregation is crucial for materials science.
  • Crystal packing influences macroscopic properties.
  • Isomeric structures exhibit unique intermolecular interactions.

Purpose of the Study:

  • To determine the precise crystal structure of C3H7NO2.
  • To elucidate molecular dimensions and crystal packing arrangements.
  • To compare packing with the L-isomer.

Main Methods:

  • Single-crystal X-ray diffraction analysis.
  • Crystallographic data collection and refinement.
  • Analysis of intermolecular interactions and symmetry operations.

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Main Results:

  • Accurate determination of molecular dimensions for C3H7NO2.
  • Observation of alternating layers composed of single isomer types.
  • Identification of head-to-tail linkages via cell translation, 2(1) screw axis, and glide plane.

Conclusions:

  • The crystal structure provides a detailed model of C3H7NO2.
  • Layered aggregation is a key feature, similar to the L-isomer.
  • Specific symmetry elements dictate the observed crystal packing and intermolecular connectivity.