Atomic Nuclear Physics

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By N. H. Fletcher

Initially released in 1970, this ebook offers a accomplished account of the homes of ice, the connections among them and how within which they derive from the constitution of the water molecule and the small mass of the proton. The houses are mentioned by way of quantum mechanics and reliable kingdom idea with emphasis on actual ideas instead of on theoretical versions. The ebook is meant as an exemplification of the foundations of chemical physics for starting graduate scholars in physics of actual chemistry and as a textual content and reference publication at the homes of ice for examine staff in glaciology, cloud physics, meteorology and linked fields. even supposing the writer assumes a familiarity with basic physics, he has taken a few hassle to make his account self-contained via connection with the underlying ideas in each case or by way of extra particular dialogue the place the applying isn't a regular one.

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The Chemical Physics of Ice (Cambridge Monographs on Physics)

Initially released in 1970, this e-book offers a finished account of the homes of ice, the connections among them and how within which they derive from the constitution of the water molecule and the small mass of the proton. The homes are mentioned by way of quantum mechanics and strong kingdom idea with emphasis on actual ideas instead of on theoretical versions.

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Extra resources for The Chemical Physics of Ice (Cambridge Monographs on Physics)

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O+ and other less likely structures). 2. It is interesting to note that all the contributions are of comparable magnitude so that it is not really possible to produce a simple model for the bond. 2. Components of the lattice energy of ice {in heal mole'1) as calculated by various authors The experimental value is 13-4 kcal mole"1. Bernal & Fowler Rowlinson Bjerrum (i933) Electrostatic 142 9'4 14-9 0-3 Polarization Dispersion 4-il Overlap -6-8J Total "•5 {= Coulson (i959) 12 16 6 -16-8 17-2 Coulson & Campbell Eisenberg et al.

Consideration of the existence of rings has thus increased the probability of correctly forming the final bond from the value 1/2, characteristic of dendritic structure, to 365/729 = 0-500686.... Since, as can again be seen from fig. 3, each molecule participates in twelve six-membered rings, the total number of such rings in a crystal with N molecules is 2iV, so that a revised estimate for the number of configurations is C = (3/2)^(1 + 1/729)^. (24) STRUCTURE AND ENERGY OF ORDINARY ICE 37 This result is still not exact because interference between rings and the effects of rings of larger size have been neglected.

6. The energy of an O—H... O bond as a function of proton position for a fixed O-O distance of 2*76 A, as calculated from the semi-empirical model of Lippincott & Schroeder (1955). Turning from studies of the hydrogen bond itself, there have been several rather different calculations of the cohesive energy of ice based, for the most part, on a treatment of the interaction of the permanent multipoles of the water molecules, supplemented by additional terms to account for polarization effects, dispersion forces and overlap repulsion.

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