Unusually Short Ce–Ru Distances in CeRuAl and Related Compounds-Reference-Cited by-同舟云学术

Unusually Short Ce–Ru Distances in CeRuAl and Related Compounds

Published:2009-08-01 Issue:8 Volume:64 Page:901-908
ISSN:1865-7117
Container-title:Zeitschrift für Naturforschung B
language:en
Short-container-title:

Author:

Hermes Wilfried¹,Matar Samir F.²,Pöttgen Rainer¹

Affiliation:

1. Institut für Anorganische und Analytische Chemie and NRW Graduate School of Chemistry, Westfälische Wilhelms-Universität Münster, Corrensstraße 30, 48149 Münster, Germany

2. Institut de Chimie de la Matiére Condensée de Bordeaux (ICMCB), CNRS [UPR 9048], Université de Bordeaux, 87 avenue du Docteur Albert Schweitzer, 33608 Pessac Cedex, France

Abstract

The aluminide CeRuAl with orthorhombic LaNiAl-type structure contains two crystallographically independent cerium sites which both exhibit relatively short Ce-Ru distances, i. e. 280 - 302 pm for Ce1 and 286 - 310 pm for Ce2. Susceptibility measurements show intermediate valence behavior of the cerium atoms (1.19(1) μB per formula unit) and no magnetic ordering down to 2 K. Chemical bonding analysis reveals a non-magnetic ground state and strong Ce-Ru bonding. The Ce-Ru bonding peculiarities of CeRuAl are discussed in line with those of other binary and ternary cerium- ruthenium compounds

Publisher

Walter de Gruyter GmbH

Subject

General Chemistry

Link

https://www.degruyter.com/document/doi/10.1515/znb-2009-0805/pdf

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