WIT Press

The Supramolecular Structure Of Water


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WIT Press


N. Marchettini, V. Niccolucci & E. Tiezzi


This paper presents a dynamic model related to the supramolecular structure of water in dynamised solutions. The dynamic model is based on experimental data performed on water dynamised solutions in the presence of an active principle. The experimental data have been obtained by means of a nuclear magnetic resonance spectrometer, measuring nuclear spin relaxation times T1 and T2. The hypothesis advanced in this paper is based on the formation of dissipative structures, in the form of supramolecular structures of water, by virtue of its hydrogen bonds, structurally similar to a liquid crystal. 1 Introduction A liquid crystal or liquid cluster can be defined as a substance that flows as a liquid but has some order in its arrangement of molecules and a phase of matter whose order is intermediate between that of a liquid and a crystalline solid The molecules are typically rod-shaped and about 25A in length The ordering functions of these liquids crystal molecules is a function of temperature. According to S. Chandrasekhar [1] \“The term liquid crystal signifies a state of aggregation that is intermediate between the crystalline solid and the amorphous liquid. As a rule, a substance in this state is strongly anisotropic in some of its properties and yet exhibits a certain degree of fluidity, which in some cases may be comparable to that of ordinary liquid” The model described is based on the assumption of the formation of a network structure of the water-cluster mechanically strong a low-density water with stronger hydrogen bonds and lower entropy. Water is the most abundant substance on earth and has been very well studied with a number of different model stuctures. Notwithstanding this, it remains an anomalous liquid where no single model is able to explain all of its properties, as