Jedes Atom zählt: Neue Daten zum adsorptionschromatographischen Verhalten einzelner Atome des Elements 112 bestätigen dessen metallischen Charakter in der Wechselwirkung mit einer Goldoberfläche ähnlich zu seinen Homologen Zn, Cd und Hg. Den experimentellen Resultaten zufolge hat Element 112 eine deutlich höhere Flüchtigkeit als die leichteren Homologen der Gruppe 12 des Periodensystems.

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Framework: Synthesis, Structure, and Bonding. -Single crystals of Ni 5.73InSe2 are prepared by solid state reaction of the elements (6:1:2 or 9:2:2 ratio; evacuated silica tubes, 650 C, 7 d). The intermetallic phase crystallizes isotypic with the Ni 7-xMQ2 phases (M: Si, Ge, Sn, Sb; Q: S, Se, Te) in the tetragonal space group I4/mmm with Z = 2 (single crystal XRD). The structure is composed of In-centered [Ni 12In] cuboctahedra of the Cu 3Au type and [Ni4-xSe2] blocks of the Cu2Sb type alternating along the c axis. DFT calculations predict metallic properties and indicate a temperature-independent paramagnetic behavior which is supported by electrical resistivity measurements and magnetic susceptibility data between 300 and 120 K. An ELI-D (electron localizability indicator) topological analysis shows the multi-centered nature of the bonding in both the Ni-In and Ni-Se fragments. -(KUZNETSOV*, A. N.; SEROV, A. A.; Eur.

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