SIMULATION OF HYDRATION SHELLS OF GAS NANOBUBBLES DISSOLVED IN WATERстатья
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Дата последнего поиска статьи во внешних источниках: 29 апреля 2021 г.
Аннотация:Structural models of stable shells of bound water are built. The models are morphologically similar to theicosahedron and to polyhedral cages within the clathrate water lattice (dodecahedron, Allen's polyhedra). The bound water shells are built of the primary structural elements (twist-boat derivatives): the 30/11 helix (edges) and K-modules (vertices) of the polyhedral shells. The geometric characteristics of the shells are reported; the volumes of their cages and the structural parameter of the interphase region of bound water are estimated. The work discusses the possibility of applying the structural models of bound water whendescribing the structure of the interphase region and microheterogeneous properties of water systems when atmospheric gases are dissolved in water. An empirical formula for the surface tension is proposed. Theformula contains a structural parameter of the interphase region as well as parameters of the water molecule and those of hydrogen bonding. The model of the surface layer of water is used to suggest a possible molecular mechanism responsible for the formation of “intermediate rotator phases”.