Scandium-rich ternary coloring variants of the cubic Ag7+xMg26–x type-Reference-Cited by-同舟云学术

Scandium-rich ternary coloring variants of the cubic Ag7+xMg26–x type

Published:2020-11 Issue:11 Volume:151 Page:1673-1679
ISSN:0026-9247
Container-title:Monatshefte für Chemie - Chemical Monthly
language:en
Short-container-title:Monatsh Chem

Author:

Gulay Nataliya L.,Kalychak Yaroslav M.,Reimann Maximilian K.,Paulsen Christian,Kösters Jutta,Pöttgen Rainer

Abstract

AbstractThe scandium-rich intermetallic compounds Sc50T13In3(T = Ni, Ru, Pd) were synthesized from the elements in sealed tantalum crucibles in an induction furnace. The samples were studied through Guinier powder patterns and their structures were refined from single-crystal X-ray diffractometer data. The Sc50T13In3phases are site occupancy (coloring) variants of the aristotype Ag7+xMg26–x(Fm

$$ \bar{3} $$

3¯,cF264). Refinements of the occupancy parameters indicated one mixed occupied site for each crystal, leading to the refined compositions Sc50Ni13.16(1)In2.84(1), Sc49.59(1)Ru13In3.41(1), and Sc50Pd13.65(2)In2.35(2). The complex structures can be explained by a condensation of cubes (CN 8), sphenocorona (CN 10), and icosahedra (CN 12). The samples with nickel and palladium are Pauli paramagnets.Graphic abstract

Funder

Westfälische Wilhelms-Universität Münster

Publisher

Springer Science and Business Media LLC

Subject

General Chemistry

Link

http://link.springer.com/content/pdf/10.1007/s00706-020-02701-7.pdf

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