Titlebook: Crystals as Giant Molecules; André Julg Textbook 1978 Springer-Verlag Berlin Heidelberg 1978 Atom.Crystals.Kristallstruktur.Molekülorbital

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Introduction: Changing Worlds of Work,Such calculations have been performed for alkali-halides .,diamond ., and metals .. The quality of the values obtained depends heavily on that of the wave function. In contrast, the charges seem less sensitive to this factor.

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Conclusions and Various Outlooks,ed. Knowledge of these orbitals permits one to obtain information on the electronic and magnetic properties. Our purpose is not to study this important set of properties. We shall only give same simple examples to show why the general description which we have given, can be used in these problems.

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Application to Crystals,calized molecular orbitals belonging to the group of lattice symmetry and therefore possessing translational network symmetry, one can then localize these orbitals by suitable unitary transformation. As with the molecules of finite size, one would obtain: (1) localized orbitals around diverse nuclei

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權(quán)宜之計

Conclusions and Various Outlooks,r to explain crystal structure and to preict the shape of the crystals. Other possibilities, equally interesting, are offered by this theory. The above study is constructed on the prediction of the molecular orbitals that are used in the ground state. These orbitals are responsible for the cohesion

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Textbook 1978ctronic structure, of crystallographic arrangements as well as their macroscopic shape, and of distortion effects caused by the presence of faces. The area related to the existence of energy bands (allowed or forbidden), gap, electric, magnetic or optical properties will not be touched upon.

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Conclusion: Past Agonies and Present Openings of Freedom,s of an emancipated society. But, by way of a transcendentalization of the immanent, these premises were envisaged less as an actual condition and more as an unrealized commitment. In a multiplicity of social and political relations, freedom and equality were cast as an ‘unfinished project’, spawnin

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