Hydrothermal synthesis and characterization of a new inorganic-organic hybrid compound AMP[ZnCl3] (AMP = 2-aminomethylpyridinium) |
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Authors: | R. Kefi F. Lefebvre |
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Affiliation: | a Laboratoire de chimie des Matériaux, Faculté des Sciences de Bizerte, 7021 Zarzouna, Tunisia b Laboratoire de Chimie Organométallique de Surface (LCOMS), Ecole Supérieure de Chimie Physique Electronique, Villeurbanne Cedex, France c LEDSS, Bâtiment Chimie Recherche, BP53, 38041 Grenoble, Cedex 09, France |
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Abstract: | A novel organic-inorganic hybrid complex [(2-NH2CH2C5H4N)ZnCl3] has been hydrothermally synthesized and characterized by single crystal X-ray diffraction, thermal analysis and spectroscopic studies. The compound crystallizes in the triclinic system, space group , a = 7.5339(9), b = 7.589(2), c = 9.365(2) Å, α = 104.55(2)°, β = 97.22(1)°, γ = 87.88(2)°, V = 513.6(2), Z = 2. In the title compound the 2-aminomethylpyridine acts as a ligand covalently linked to Zn(II) cation to form a slightly distorted ZnCl3N tetrahedral environment. Each [Zn(C6H8N2)Cl3] unit is connected to one neighbor by a pair of hydrogen bonds between the apical chlorides and amine hydrogen atoms and to the other by a couple of π-π stacking interactions between the aromatic rings of the coordinated ligands forming a novel one-dimensional chain-like arrangement. The title complex is the first one that contains both coordinated and hydrogen bonded 2-aminomethylpyridine. Solid state 13C and 15N CP-MAS-NMR spectroscopies are in agreement with the X-ray structure. Ab initio calculations allow the attribution of carbons and nitrogen to the independent crystallographic sites. The Raman spectroscopy confirmed the presence of Zn-Cl and Zn-N bonds. |
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Keywords: | Organic-inorganic hybrid Hydrothermal synthesis Nuclear magnetic resonance (NMR) Raman spectroscopy |
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