| Issue |
E3S Web of Conf.
Volume 537, 2024
International Scientific and Practical Conference “Sustainable Development of the Environment and Agriculture: Green and Environmental Technologies” (SDEA 2024)
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|---|---|---|
| Article Number | 05002 | |
| Number of page(s) | 7 | |
| Section | Conservation of Biodiversity as One of the Directions of Ensuring Sustainable Development | |
| DOI | https://doi.org/10.1051/e3sconf/202453705002 | |
| Published online | 13 June 2024 | |
Synthesis, properties and ir spectra of a complex compound of manganese chloride with hexamethylenetetramine
Osh State University, Osh, Kyrgyz Republic
* Corresponding author: altybaeva_d@mail.ru
The paper presents experimental data on the interaction of manganese chloride with hexamethylenetetramine in an aqueous medium at 25 °C by the isothermal solubility method and establishes the formation and concentration limits of the release of new complex compounds from saturated equilibrium solutions of the following composition: [MnCI2 · (CH2)6N4 · 2H2O], [MnCI2 · 2(CH2)6N4 ·5H2O] and their physico chemical properties have been studied. IR absorption spectra were studied to determine the structure and location of the bond between the complexant and the ligand. It was determined that in the [MnCI2 · 2(CH2)6N4 · 5H2O] complex, two water molecules and two hexamethylenetetramine molecules are connected to the central manganese atom by a coordinate bond in the first sphere, and three water molecules are located in the second sphere and are connected by a hydrogen bond with hexamethylenetetramine, chlorine ion and coordinated water molecules.
© The Authors, published by EDP Sciences, 2024
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