1970
DOI: 10.1002/zaac.19703740302
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Zur Kenntnis der Verbindungen Cs2KSEF6

Abstract: Neu dargestellt wurden Cs2KSEF6 mit SE = La, Pr, SmLu, kubische Ordnungsvarianten des Perowskit‐Typs, isotyp mit K2NaCrF6 mit Gitterkonstanten a = 9,65 Å (La) bis 9,35 Å (Lu). Die magnetischen Momente entsprechen den berechneten.

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Cited by 21 publications
(2 citation statements)
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“…This has been largely due to technical problems in the synthesis. Two main preparative techniques have previously been employed to synthesize A 2 BMF 6 compounds: the high-temperature reaction of a mixture of the appropriate anhydrous fluorides (or hydrogen fluorides), sometimes compressed into a pellet, in an inert container; or the direct fluorination of the corresponding chloro-compound [7][8][9][10][11][12]. The structure of the product, elpasolite (K 2 NaAlF 6 , F m3m-type), cryolite (Na 3 AlF 6 , P 2 1 /m-type), or some other type, has been shown to depend upon the value of the tolerance factor [11] and upon the electronic structure of the M 3+ ion [13].…”
Section: Introductionmentioning
confidence: 99%
“…This has been largely due to technical problems in the synthesis. Two main preparative techniques have previously been employed to synthesize A 2 BMF 6 compounds: the high-temperature reaction of a mixture of the appropriate anhydrous fluorides (or hydrogen fluorides), sometimes compressed into a pellet, in an inert container; or the direct fluorination of the corresponding chloro-compound [7][8][9][10][11][12]. The structure of the product, elpasolite (K 2 NaAlF 6 , F m3m-type), cryolite (Na 3 AlF 6 , P 2 1 /m-type), or some other type, has been shown to depend upon the value of the tolerance factor [11] and upon the electronic structure of the M 3+ ion [13].…”
Section: Introductionmentioning
confidence: 99%
“…An CS2KHOF6 wurden bereits früher [6] pasolith-Struktur geeignet, um zu Aussagen über das Kristallfeld des Lanthanidions zu gelangen.…”
Section: Introductionunclassified