A new cadmium coordination polymer based on 4-amino-4H -1,2,4-triazole

Acta Crystallographica. Section E, Crystallographic Communications
Maha Said, Habib Boughzala

Abstract

A new cadmium coordination polymer, poly[bis-(4-amino-4H-1,2,4-triazolium) [bis-(μ2-4-amino-4H-1,2,4-triazole-κ2N1:N2)tetra-μ2-chlorido-tetra-chlorido-tri-cad-mium(II)] dihydrate], {(C2H5N4)2[Cd3Cl8(C2H4N4)2]·2H2O} n , was synthesized by the reaction of 4-amino-4H-1,2,4 triazole with cadmium(II) chloride in aqueous solution. With an unusual architecture, the crystal structure exhibits two distorted octa-hedral coordinations of CdII joined by edge sharing. The first is composed by four chlorine and two N atoms from the triazole ligands. The second is formed by five Cl atoms and by one N atom from the triazole ligand. The charge of the resulting two-dimensional anionic framework is balanced by the organic triazole cations. The lattice water mol-ecules form a network of hydrogen bonding. N-H⋯Cl and π-π stacking inter-actions are also involved in the supra-molecular network stability.

Methods Mentioned

BETA
X-ray

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