Adducts of the Zinc Salt of Dinitramic Acid

Adducts of the Zinc Salt of Dinitramic Acid

Herein, we describe the synthesis of coordination compounds starting from carbohydrazide ((H NHN) C=O (CHZ)) and the Zn salt of dinitramic acid (HDN), which are high-nitrogen substances that exhibit properties similar to those of a burning-rate inhibitor of pyrotechnic compositions. This study demon...

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Bibliographic Details
Published in:Materials 2022-12, Vol.16 (1), p.70
Main Authors: Il'yasov, Sergey G, Glukhacheva, Vera S, Il'yasov, Dmitri S, Zhukov, Egor E, Eltsov, Ilia V, Nefedov, Andrey A, Gatilov, Yuri V
Format: Article
Language:eng
Subjects:
Acids
Adducts
Burning rate
carbohydrazide
Composition
Coordination compounds
Crystallography
dinitramide
Fireworks
glyoxal
Ligands
macrocycles
Nitrogen
Nitrogen dioxide
Potassium
Thermal stability
Zinc
zinc (II)
Zinc salts
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Summary:Herein, we describe the synthesis of coordination compounds starting from carbohydrazide ((H NHN) C=O (CHZ)) and the Zn salt of dinitramic acid (HDN), which are high-nitrogen substances that exhibit properties similar to those of a burning-rate inhibitor of pyrotechnic compositions. This study demonstrates that these compounds react with glyoxal to furnish adducts of metal-organic macrocyclic cages bearing the elements of carbohydrazide, complexing metals and the HDN anion, depending on the ratio of the starting reactants. The assembled macrocyclic cage has "host-guest" properties and is a safe container for the storage of HDN salts. X-ray crystallographic analysis of the resultant coordination compound, [Zn(chz) (N(NO ) ) ]), indicated that the metal-ligand association occurs via the N and O atoms of carbohydrazide. The zinc salt of dinitramic acid, which is enclosed into adducts with a macrocycle, is thermally stable and insensitive to mechanical impacts. The complex zinc salt of dinitramide was shown herein to exhibit inhibitory activity towards the burning rate of pyrotechnic compositions.
ISSN:1996-1944
1996-1944