BaAl 4 -Strukturvarianten bei ARu 2 X 2 (A = Ca, Sr, Ba, Eu; X = P, As) und APt 2 P 2—x (A = Ca, Eu) / BaAl 4 -Denvative Structures of ARu 2 X 2 (A = Ca, Sr, Ba. Eu; X = P, As) and of APt 2 P 2-x (A = Ca, Eu)
Compounds ARu 2 P(As) 2 (A = Ca, Sr. Ba. Eu) were found to have the ThCr 2 Si 2 -type structure (14/mmm). Single crystals of CaRu 2 P 2 (a = 404.6 pm, c = 977.1 pm) and EuRu 2 P 2 (a = 402.9 pm, c = 1077.2 pm) were obtained using tin as a flux. In the case of the Pt compounds, single crystals could...
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Published in | Zeitschrift für Naturforschung. B, A journal of chemical sciences Vol. 41; no. 1; pp. 38 - 43 |
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Main Authors | , |
Format | Journal Article |
Language | English |
Published |
01.01.1986
|
Online Access | Get full text |
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Summary: | Compounds ARu
2
P(As)
2
(A = Ca, Sr. Ba. Eu) were found to have the ThCr
2
Si
2
-type structure (14/mmm). Single crystals of CaRu
2
P
2
(a = 404.6 pm, c = 977.1 pm) and EuRu
2
P
2
(a = 402.9 pm, c = 1077.2 pm) were obtained using tin as a flux. In the case of the Pt compounds, single crystals could be isolated from powder samples. Ca(Eu)Pt
2
P
2-x
crystallizes isotypically in a new structure type which can be described as a stacking variation of the CaBe
2
Ge
2
-type structure (14/mmm; CaPt
2
P
1.43
: a = 409.9 pm, c = 1895.1 pm; EuPt
2
P
1
.
62
: a = 414.3 pm; c = 1912.0 pm). The crystal structures of Ca(Eu)Ru
2
P
2
and Ca(Eu)Pt
2
P
2-x
were refined from four-circle diffractometer data. Magnetic susceptibility measurements prove the divalent nature of Eu in all Eu compounds. |
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ISSN: | 0932-0776 1865-7117 |
DOI: | 10.1515/znb-1986-0108 |