Crystal structure of the ternary silicide ErNi4.04Si0.96.

Autor: Belan, Bohdana, Dzevenko, Mariya, Kowalska, Dorota A., Gladyshevskii, Roman
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Zdroj: Zeitschrift für Naturforschung B: A Journal of Chemical Sciences; Jul2023, Vol. 78 Issue 7/8, p417-420, 4p
Abstrakt: The ternary silicide ErNi4.04Si0.96 was synthesized by arc-melting of stoichiometric quantities of the elements, and its crystal structure has been determined using single-crystal X-ray diffraction data. The compound crystallizes in the CaCu5 structure type: hexagonal space group P6/mmm, Pearson code hP6, Z = 1; a = 4.874(3), c = 3.959(2) Å, V = 81.5(1) Å3; R1 = 0.0239, wR2 = 0.0503, for 67 independent reflections with I > 2σ(I) and eight variables. The erbium and nickel atoms occupy the crystallographic positions 1a and 2c, respectively. The position 3g is occupied by a mixture of Ni and Si atoms. The structure of this silicide represents a packing of bipyramidal units built from nickel and Ni/Si atoms. [ABSTRACT FROM AUTHOR]
Databáze: Complementary Index
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