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SYNTHESIS, THERMAL STUDIES AND CRYSTAL STRUCTURE OF 4-AMINOPYRIDINIUM SEMI-OXALATE HEMIHYDRATE

CECILIA CHACÓN 1, JULIA BRUNO-COLMENÁREZ 2, JOAZAIZULFAZLI JAMALIS 3, GERZON E. DELGADO 4*
1. National Polytechnic Institute, Center for Applied Science and Advanced Technology, MĂ©xico D.F. 11500, MĂ©xico
2. Venezuelan Institute of Scientific Research (IVIC), Center for Research in Materials Technology and Environment, Maracaibo, Venezuela
3. University of Technology Malaysia, Faculty of Science, Department of Chemistry, 81310 Johor Bahru, Johor, Malaysia
4. University of the Andes, Faculty of Science, Department of Chemistry, Crystallography Laboratory, MĂ©rida 5101, Venezuela
*Corresponding author: gerzon@ula.ve

Issue:

SCSCC6, Volume XVIII, No. 2

Section:

Volume 18, No. 2 (2017)

Abstract:

The title compound has been synthesized by grinding in an agate mortar. Its structure was characterized by TGA-DSC studies and single-crystal X-ray diffraction. This compound crystallize in the monoclinic system with space group C2/c, Z = 4, and unit cell parameters a = 16.109(2) Å, b = 5.748(7) Å, c = 20.580(3) Å, ÎČ = 107.36(1)°. The salt, C2HO4-.C5H7N+.0.5 H2O, is an ionic ensemble assisted by hydrogen bonds established between 4-aminopyridinium cations, oxalate anions and water molecules. The three components thus construct a supramolecular assembly with a three-dimensional hydrogen bonded framework.

Keywords:

hydrogen bonding patterns, multicomponent crystal, X-ray diffraction.

Code [ID]:

CSCC6201702V02S01A0001 [0004555]

Full paper:

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