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Resorcinol-triethyl-enediamine (1/1).

¹College of Chemistry & Chemical Engineering, Xianyang Nomal University, Xianyang 712000, People's Republic of China.

Acta Crystallographica. Section E, Structure Reports Online

|November 18, 2011

Summary

This study details the formation of a co-crystal using triethylenediamine and resorcinol, derived from 2,4-dihydroxy-benzoic acid. The molecules self-assemble via hydrogen bonds into a crystal chain structure.

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Area of Science:

Crystallography
Supramolecular Chemistry
Organic Chemistry

Background:

Co-crystals offer tunable physical properties.
Understanding molecular assembly is key to materials design.
In situ reactions provide novel synthetic routes.

Purpose of the Study:

To synthesize and characterize a novel co-crystal.
To investigate the self-assembly mechanism of the co-crystal.
To explore the role of in situ decarboxylation in co-crystal formation.

Main Methods:

Single-crystal X-ray diffraction.
In situ decarboxylation of 2,4-dihydroxy-benzoic acid.
Hydrogen bond analysis.

Main Results:

A co-crystal of triethylenediamine and resorcinol (C(6)H(12)N(2)·C(6)H(6)O(2)) was successfully synthesized.
Resorcinol was generated in situ via decarboxylation of 2,4-dihydroxy-benzoic acid.
The crystal structure revealed O-H⋯N hydrogen bonds linking the components into a chain along the b-axis.

Conclusions:

The study demonstrates a viable method for co-crystal synthesis using in situ generated components.
Hydrogen bonding plays a crucial role in directing the supramolecular architecture.
This work contributes to the understanding of co-crystal formation and design.

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