The stabilization of the Rb- ion in Na16Rb7Sb7 = Na16(RbRb6)Sb7.

von Schnering H. G., Gil R. H. C., Hoenle W., Burkhardt A., Krier G., Andersen O. K.

Max-Planck-Inst. Festkoerperforsch., Stuttgart , D-70569, Germany

Na16Rb7Sb7 was obtained as brittle, silver colored shiny cuboctahedra with metallic luster from thermal reaction of the elements. It crystallizes in space group Fm.hivin.3m, Z = 4, Raniso = 0.044. It is a semiconductor with Eg = 0.33 eV; its calcd. band structure is discussed.

Angewandte Chemie, International Edition in English, 34 103-5, 1995.

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