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The general method of obtaining energy bands and wave functions for a face-centered lattice has been outlined. The method has been applied to a copper lattice using a corrected Hartree potential field. The energy bands as a function of the internuclear distance have been calculated. The strong overlapping of the 3d band and the 4s band is shown. The assignment of electrons to the lowest energy bands leads to a satisfactory explanation of the well-known fact that copper is a good conductor. The various energy bands of the three directions 100, 110 and 111 have been correlated.
Harry M. Krutter (Tue,) studied this question.