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Zur Kenntnis der Oxoberyllate der Alkalimetalle [1, 2]
Author(s) -
Kastner P.,
Hoppe R.
Publication year - 1975
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.19754150308
Subject(s) - crystallography , chemistry , triclinic crystal system , crystal structure
Durch Pulverdaten nach G UINIER ‐S IMON wird die Existenz der Phasen K 2 Be 2 O 3 (2 Formen), K 4 BeO 3 , Rb 2 Be 3 O 4 , Rb 2 Be 2 O 3 ,Rb 4 BeO 3 , Cs 2 Be 3 O 4 und Cs 2 BeO 2 belegt. In Form von Einkristallen erhielt man Li 4 BeO 3 [a = 5,49; b = 9,53; c = 4,93 Å; α = 114, 1 ; β = 105, 0 ; γ = 106, 6 ° triklin], Na 2 Be 2 O 3 [a = 6,32; b = 8,53; c = 2,71 Å; α = 107, 7 ; β = 105, 5 ; γ = 78, 4 ° triklin], Na 6 Be 2 O 5 [a = 5,67 2 ; c = 10,2 1 Å; tetragonal] sowie K 2 BeO 2 [a = 7,09 8 ; b = 10,57 7 ; c = 5,70 6 Å;; γ = 131, 3 °; monoklin] und Rb 2 BeO 2 [a = 7,46 3 ; b = 11,17 0 ; c = 5,88 1 Å; γ = 131, 8 °; monoklin].

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