Synthesis and crystal strucrure of Bis-(2,6-diaminopyridine) tetrachlorid zinc(II)

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Resumo

In the presented work, the synthesis of a complex resulting from the reaction of 2,6-diaminopyridine with the Zn(II) ion in an alcohol solution of hydrochloric acid is described for the first time. The composition, molecular and crystal structure of the synthesized complex were determined by X-ray structural analysis. The structure of the new complex, its crystallographic data, and the geometry of hydrogen bonds in the crystal system were determined. The composition of the metal complex was confirmed by elemental analysis, and the existing chemical bonds were studied by IR spectroscopy. The surface of the crystals was studied according to Hirschfeld. To determine the stability of the obtained complex, its thermal analysis was carried out. The stability of the complex, caused by intramolecular hydrogen bonds, was confirmed.

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Sobre autores

Y. Nazarov

Termez State University

Email: kornilovkn@mgupp.ru
Uzbequistão, Termez

X. Turaev

Termez State University

Email: kornilovkn@mgupp.ru
Uzbequistão, Termez

J. Ashurov

Institute of Bioorganic Chemistry of the Academy of Sciences of the Republic of Uzbekistan

Email: kornilovkn@mgupp.ru
Uzbequistão, Tashkent

Sh. Kasimov

Termez State University

Email: kornilovkn@mgupp.ru
Uzbequistão, Termez

J. Suyunov

Termez State University

Email: kornilovkn@mgupp.ru
Uzbequistão, Termez

N. Ermuratova

Termez Engineering and Technology Institute

Email: kornilovkn@mgupp.ru
Uzbequistão, Termez

K. Kornilov

Russian Biotechnological University

Autor responsável pela correspondência
Email: kornilovkn@mgupp.ru
Rússia, Moscow

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2. Fig. 1. Structure of the complex compound [ZnCl4]2–(2,6-DAPY-Н+)2.

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3. Fig. 2. Complex [ZnCl4]2–(2,6-DAPY-Н+)2: a – π–π interactions on the three-dimensional Hirschfeld surface mapped by di/de; b – π–π interactions in the pyridine rings.

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4. Fig. 3. Three-dimensional Hirschfeld surface in the (C5H8N3)2[ZnCl4] complex and two-dimensional fingerprint region mapped by dnorm representing the H Cl/Cl H interactions of cations and anions in it: a – neutral molecule, b – cation, c – anion.

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5. Fig. 4. Two-dimensional fingerprint region of the complex compound (C5H8N3)2[ZnCl4], describing the fractions of atoms participating in intermolecular interactions and the contributions of pairs of atoms.

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6. Fig. 5. IR spectrum of the metal complex (C5H8N3)2[ZnCl4].

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7. Fig. 6. Thermal analysis of the complex compound C10H16N6ZnCl4: 1 – thermogravimetric curve (TGA), 2 – differential thermal analysis (DTA) curve.

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