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Triazine based eccentric Piedfort units towards a single source hydrogen bonded network.

Sonam Mehrotra1, Sakthi Raje1, Anant Kumar Jain1

  • 1Department of Chemistry, Indian Institute of Technology Kanpur, Kanpur 208016, India. raja@iitk.ac.in.

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Summary

A novel three-dimensional hydrogen-bonded network was created using a single precursor, sym-triisopropylaminotriazine. This unique structure forms helical arrangements in all directions, enabling guest molecule incorporation.

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Area of Science:

  • Materials Science
  • Crystallography
  • Supramolecular Chemistry

Background:

  • Hydrogen bonding is crucial for constructing ordered materials.
  • Designing precursors that can act as both hydrogen bond donors and acceptors is key for complex network formation.

Purpose of the Study:

  • To synthesize and characterize a novel 3D hydrogen-bonded network from a single-source precursor.
  • To investigate the self-assembly behavior driven by hydrogen bonding in sym-triisopropylaminotriazine.
  • To explore the potential of the formed framework for guest molecule inclusion.

Main Methods:

  • Single-crystal X-ray diffraction to determine the network structure.
  • Spectroscopic techniques (e.g., NMR, IR) for characterization of the precursor and guest inclusion.
  • Computational modeling to understand hydrogen bonding interactions and framework properties.

Main Results:

  • A 3D hydrogen-bonded network was successfully constructed using sym-triisopropylaminotriazine.
  • The C3h symmetric precursor facilitated the formation of intermolecular hydrogen bonds, leading to helical structures in three dimensions.
  • The framework's eccentric Piedfort units, with a specific distance between triazine rings, allowed for the effective parking of chloroform (CHCl3) guest molecules.

Conclusions:

  • Sym-triisopropylaminotriazine serves as an effective single-source precursor for creating complex 3D hydrogen-bonded networks.
  • The inherent symmetry and functional groups of the precursor drive the self-assembly into helical supramolecular architectures.
  • The developed framework demonstrates potential for host-guest chemistry applications due to its porous nature and specific cavity dimensions.