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Water Revisited Summary

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“Water Revisited” is a Research paper published by Frank H. Stillinger, an American Chemist and Theoretical Chemistry Award winner, who is interested in researching the molecular theory of water and aqueous solution. The importance of this comes from its consideration as one of the reasons for developing research into water. Indeed, this paper will provide a short review on main some of the main points that Stillinger provide in the article.
Reading this paper, Stillinger express the need of studying the water again. He believes this very old molecule has features that scientists still need to know more about or even discover. One of the main reason that illustrates the need to revisit the water is the importance of water for the “genesis of …show more content…

In order to understand water, Stillinger argues that hydrogen bonding is sufficient to point to start from. In fact, hydrogen bonding is a result of an electrostatic attraction between electronegative atoms. Hydrogen bonds are directional bind. This means that the hydrogen and the oxygen in the water that create the hydrogen bond are directed to each other. The strength of the hydrogen bond is approximately 5 kilocalories per mole. The water molecule is H2o is known to be nonlinear with a 104.5o. with its H and O water can act as a donor and acceptor to the hydrogen bond. This allows the water to be in a tetrahedral symmetry is required to form between water molecules the linear hydrogen bonds that are one of the water features. The ability of being a donor and acceptor for the hydrogen bonds is illustrated in the hexagonal ice crystal water structure where the oxygen atoms of the surrounding neighbor molecule occupy the vertices of the tetrahedral structure if we consider a fixed water molecule located in the center of the symmetry. The hydrogen atoms of a molecule, however, are located asymmetrically along the line of the oxygen of the same molecule to the oxygen of neighboring molecule. In short, a water molecule in Hexagonal ice is hydrogen bonded to four others in a form of nonplanar hexagonal ring. Forming a three-dimensional network, the hydrogen bond in ice crystal is 2.74 Angstroms with average energy 5.5

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