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Hairpin-like structure and Jahn–Teller distortions in adenosine monophosphate copper coordination polymers: synthesis and chirality

Muhammad Javed Iqbal, Rizwan Shoukat, Khalid Talha, Muhammad Sohail Riaz, Maroof Ahmad Khan, Wajid Hussain, and Hui Li

Key Laboratory of Cluster Science of Ministry of Education, School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing, People’s Republic of China



Received: 18 April 2023  Accepted: 23 May 2023


Nucleotides are fundamental units that make up nucleic acids and can be utilized to create functional materials with specific structures. The Jahn–Teller distortions provide information about the orientation of ligands that are coordinated with copper(II) in coordination materials. Herein, we are going to report two coordination polymers [Cu(AMP)(bpe)(H2O)3]·11H2O (1) and [Cu(AMP)(bpe)(H2O)3]·8H2O constructed by combining bipyridyl ethylene (bpe), adenosine monophosphate (AMP), and copper(II) ions, which were analyzed using single-crystal X-ray diffraction, FTIR, TGA, and chiral dichroism spectroscopy. The coordination polymers were examined to study their structural details related to hairpin-like structure and Jahn–Teller distortions. It was observed that the AMP’s chirality, or the way it twists, is maintained when AMP is combined with copper through noncovalent interactions. Our results indicate that the chirality of AMP with copper can be well preserved and delivered to its supramolecular architecture through noncovalent interactions. This research work sheds light on the self-assembly of purine nucleotide hairpins in coordination polymers and their characterization. To the best of our knowledge, Jahn–Teller distortion and hairpin-like structures in nucleotide coordination polymers have been discussed rarely. Nucleotide coordination polymers can be used for potential applications in the fields such as fluorescent detection, medicine, artificial data storage, and energy devices.

Graphical abstract

Keywords: Coordination polymer; Hairpin structure; Jahn–Teller distortion; Nucleotide complexes; Purine nucleotides; Chiral copper complexes

Full paper is available at

DOI: 10.1007/s11696-023-02888-z


Chemical Papers 77 (10) 5687–5699 (2023)

Tuesday, May 28, 2024

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