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Related Experiment Videos

4-[N,N-Bis(2-cyanoethyl)amino]pyridine.

Jun Ni1, Yi Zhi Li, Wen Bin Qi

  • 1Coordination Chemistry Institute, State Key Laboratory of Coordination Chemistry, Nanjing University, Nanjing 210093, People's Republic of China.

Acta Crystallographica. Section C, Crystal Structure Communications
|August 12, 2003
PubMed
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This study details the structure of 3,3'-(4-pyridylimino)dipropanenitrile, revealing a pyridine ring linked to two cyanoethyl tails. Molecular stacking occurs through weak hydrogen bonds, influencing its crystal structure.

Area of Science:

  • Crystallography
  • Organic Chemistry
  • Supramolecular Chemistry

Background:

  • Understanding molecular interactions is key to designing new materials.
  • The pyridylimino dipropanenitrile scaffold offers potential for novel chemical structures.

Purpose of the Study:

  • To elucidate the crystal structure and intermolecular interactions of 3,3'-(4-pyridylimino)dipropanenitrile.
  • To investigate the electronic properties suggested by the compound's geometry.

Main Methods:

  • Single crystal X-ray diffraction was used to determine the molecular and crystal structure.
  • Analysis of bond lengths, angles, and intermolecular contacts was performed.

Main Results:

  • The compound, C(11)H(12)N(4), exhibits a twofold axis with a central pyridine ring and two cyanoethyl tails.

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  • Planar geometry around the amino nitrogen suggests pi-system conjugation.
  • Molecules form a layered structure stabilized by weak C-H.pi and C-H.N hydrogen bonds.

    • Conclusions:

    • The crystal packing is governed by weak intermolecular forces.
    • The compound's structure provides insights into the behavior of pyridylimino derivatives in the solid state.