Role of intermolecular interactions in formation of molecular clusters in liquid nitromethane and its solutions
А. JumabaevDepartment of Physics, Samarkand State University, Samarkand, UzbekistanH. HushvaktovDepartment of Physics, Samarkand State University, Samarkand, UzbekistanI. DoroshenkoDepartment of Physics, Taras Shevchenko National University of Kyiv, Kyiv, UkraineА. AbsanovDepartment of Physics, Samarkand State University, Samarkand, UzbekistanGayrat SharifovDepartment of Physics, Samarkand State University, Samarkand, Uzbekistan
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Аннотация
Nitromethane molecules have a large dipole moment (3.54 D), so there is a possibility of dipole-dipole aggregation for them. Ab initio calculations show an additional possibility of molecular interaction for the nitromethane molecules—hydrogen bonding. In particular, the formation of H-bond is observed in the case of nitromethane dimers. The hydrogen bonds of the NO…HС type are formed between an oxygen atom of a nitromethane group of one molecule and a hydrogen atom of the C-H group of the adjacent one. These interactions have a significant effect on the formation of molecular clusters of nitromethane.
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