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A Section Through the Compositional Triangle Pr‐Co‐I at 600 °C: Pr 7 CoI 12 and Pr 2 Co 2 I
Author(s) -
Palasyuk Andriy,
Pantenburg Ingo,
Meyer Gerd
Publication year - 2006
Publication title -
zeitschrift für anorganische und allgemeine chemie
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.354
H-Index - 66
eISSN - 1521-3749
pISSN - 0044-2313
DOI - 10.1002/zaac.200600152
Subject(s) - crystallography , section (typography) , hexagonal crystal system , trigonal crystal system , bar (unit) , crystal (programming language) , crystal structure , materials science , physics , chemistry , computer science , programming language , operating system , meteorology
At 600 °C, two phases exist in equilibrium in the system Pr–Co–I, Pr 7 CoI 12 and Pr 2 Co 2 I, the former with isolated {Pr 6 Co} clusters, the latter with Pr–Co–Pr slabs. The crystal structures were determined from single‐crystal X‐ray data: Pr 7 CoI 12 : trigonal, $R{\bar 3}$ (no. 148), a = 1581.62(10), c = 1079.18(7) pm, Z = 3, R = 0.0493 for all data; Pr 2 Co 2 I: hexagonal, P6 3 /mmc (no. 194), a = 403.86(4), c = 1743.4(2) pm, Z = 2. R = 0.1196 for all data.