Question: NbN crystallizes with the NaCl type structure. Sketch out an MO diagram for octahedrally coordinated niobium and use it to sketch a DOS plot for

NbN crystallizes with the NaCl type structure. Sketch out an MO diagram for octahedrally coordinated niobium and use it to sketch a DOS plot for NbN. Indicate the relative area of the σ*, π*, and N 2p sets of bands, and mark the approximate position of the Fermi level in your DOS sketch. Would you expect NbN to be a metal or a semiconductor?

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