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Synthesis, structure and thermal study of a new 3-aminopyrazine-2-carboxylate based zinc(II) coordination polymer

Anirban Karmakar (Institutionen för kemi och kemiteknik, Fysikalisk kemi) ; S. Hazra
Zeitschrift Fur Kristallographie - Crystalline Materials (2194-4946). Vol. 230 (2015), 6, p. 413-419.
[Artikel, refereegranskad vetenskaplig]

A two-dimensional coordination polymer [Zn(L)(2)](n) (1) (L = 3-aminopyrazine-2-carboxylate) synthesized from the solvothermal reaction of zinc(II) salt with 3-aminopyrazine-2-carboxylic acid (HL) is described. Compound 1 has been characterized by single X-ray diffraction, IR spectra and thermogravimetric analyses. Crystal structure analysis reveals that each hexacoordinated zinc(II) center adopts a distorted octahedral geometry occupied by three O-carboxylate and three N-pyrazine atoms. The L-ligand binds the metal cation by means of a pyrazine N-atom and one, or both, carboxylate O-atoms. A three-dimensional supramolecular associate in the crystal lattice of 1 has been stabilized by a number of non-covalent interactions. The IR spectroscopic and TGA properties are investigated in this work. Topological analysis of the two-dimensional network has been also discussed.

Nyckelord: 3-aminopyrazine-2-carboxylic acid, single crystal X-ray structure analysis, topological analysis, zinc(II) coordination polymer

Denna post skapades 2015-06-29. Senast ändrad 2016-11-07.
CPL Pubid: 219010


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