A Zn(Ⅱ) COORDINATION COMPOUND BASED ON 2,2'-BIPYRIDINE AND 3-CARBOXY-1-CARBOXYMETHYL-2-OXIDOPYRIDINIUM: SYNTHESIS, STRUCTURE AND HIRSHFELD ANALYSIS

Hang LI; Xiaoyu JIN; Yifeng WANG; Yuzhu SONG; Zhiguo KONG

doi:10.24193/subbchem.2026.3.02

Authors

Hang LI Department of Chemistry, Jilin Normal University, Siping 136000, China; Key Laboratory of Preparation and Applications of Environmental Friendly Materials, Jilin Normal University, Ministry of Education, Changchun 130103, China
Xiaoyu JIN Department of Chemistry, Jilin Normal University, Siping 136000, China https://orcid.org/0000-0003-4133-2055
Yifeng WANG Department of Chemistry, Jilin Normal University, Siping 136000, China
Yuzhu SONG Department of Chemistry, Jilin Normal University, Siping 136000, China; Key Laboratory of Preparation and Applications of Environmental Friendly Materials, Jilin Normal University, Ministry of Education, Changchun 130103, China
Zhiguo KONG Department of Chemistry, Jilin Normal University, Siping 136000, China; Key Laboratory of Preparation and Applications of Environmental Friendly Materials, Jilin Normal University, Ministry of Education, Changchun 130103, China. *Corresponding author: kongzhiguo2007@163.com

DOI:

https://doi.org/10.24193/subbchem.2026.3.02

Keywords:

2,2'-bipyridine, coordination compound, hydrogen bonds, Hirshfeld surface analysis

Abstract

A new coordination compound [Zn(bpy)(L)]₂·6H₂O was synthesized by 2,2'-bipyridine (bpy), 3-carboxy-1-carboxymethyl-2-oxidopyridinium (H₂L) and Zn(II) as starting materials under solvothermal conditions. Single-crystal X-ray diffraction shows that the compound is ultimately assembled from a one-dimensional chain structure into a three-dimensional supramolecular framework via π-π interactions and hydrogen bonds. Meanwhile, infrared spectroscopy was employed to verify the successful synthesis of the compound. In addition, the hydrogen bonds and other intermolecular interactions within the compound were further investigated by Hirshfeld surface analysis.

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