Affiliation:
1. Institut für Anorganische und Analytische Chemie, Universität Münster, Corrensstraße 30, 48149 Münster, Germany
2. Institut für Anorganische und Analytische Chemie, Universität Münster, Corrensstraße 30, 48149 Münster, Germany,
Abstract
Abstract
The stannides Sm6Pd10–x
Sn11 and Sm3Pd5–x
Sn5 were synthesized from the elements by arc-melting. They were studied by powder and single-crystal X-ray data: C2/m, a = 1720.45(10), b = 451.97(2), c = 1420.60(8), β = 99.705(5)°, wR2 = 0.086, 2076 F
2 values, 83 variables for Sm3Pd4.95(1)Sn5 and C2/m, a = 1738.68(7), b = 451.49(1), c = 1692.68(7), β = 121.375(3)°, wR2 = 0.0335, 2164 F
2 values, 85 variables for Sm6Pd9.82(1)Sn11. Both structures show small defects for one palladium site. The palladium and tin atoms in Sm6Pd10–x
Sn11 and Sm3Pd5–x
Sn5 build up complex three-dimensional polyanionic networks in which the samarium atoms fill cavities within distorted pentagonal channels. In addition to strong covalent Pd–Sn bonding, the polyanions are further stabilized by Pd–Pd and Sn–Sn bonding.
Subject
Inorganic Chemistry,Condensed Matter Physics,General Materials Science
Cited by
3 articles.
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