Polydiaquatrisμ 6 -4,6-dioxo-1,4,5,6-tetrahydro-1,3,5-triazine-2-carboxylatotripotassiumReportar como inadecuado




Polydiaquatrisμ 6 -4,6-dioxo-1,4,5,6-tetrahydro-1,3,5-triazine-2-carboxylatotripotassium - Descarga este documento en PDF. Documentación en PDF para descargar gratis. Disponible también para leer online.

* Corresponding author 1 Faculté des Sciences de Bizerte 2 CRM2 - Cristallographie, Résonance Magnétique et Modélisations 3 OPTIMA - Optique et Matériaux NEEL - Institut Néel

Abstract : The asymmetric unit of the title compound, K3C4H2N3O43H2O2n, contains two potassium cations one in general position, one located on a twofold rotation axis, one and a half oxonate anions the other half generated by twofold symmetry and one water mol­ecule. As a result of the twofold symmetry, one H atom of the symmetric anion is statistically occupied. Both potassium cations are surrounded by eight oxygen atoms in the form of distorted polyhedra. Adjacent cations are inter­connected by oxygen bridges, generating layers parallel to 100. The aromatic ring system of the oxonate anions link these layers into a network structure. The crystal packing is stabilized by N—H⋯O, O—H⋯O and O—H⋯N hydrogen bonds, three of which are bifurcated. In addition, inter­molecular π–π stacking inter­actions exist between neighboring aromatic rings with a centroid–centroid distance of 3.241 2 Å.





Autor: Sarra Soudani - Emmanuel Aubert - Emmanuel Wenger - Christian Jelsch - Isabelle Gautier-Luneau - Cherif Ben Nasr -

Fuente: https://hal.archives-ouvertes.fr/



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