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Study on A 4 BX 6 compounds. I. Structure Refinement of Ternary Cd Halides A 4 CdX 6 (A = NH 4 , K, Rb, In, Tl; X = Cl, I)
Author(s) -
Beck H. P.,
Milius W.
Publication year - 1986
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.19865390802
Subject(s) - tetragonal crystal system , crystal structure , ternary operation , crystallography , chemistry , halide , structure type , type (biology) , crystal chemistry , inorganic chemistry , computer science , geology , paleontology , programming language
The refinement of the structures of rhombohedral (NH 4 ) 4 CdCl 6 , K 4 CdCl 6 , and Rb 4 CdCl 6 (K 4 CdCl 6 ‐type) and of tetragonal In 4 CdI 6 and Tl 4 CdI 6 (Tl 4 HgBr 6 ‐type) using single crystal data is reported. The discussion of the crystal chemistry of these compounds furnishes new structural relations and a first hint of the role, which ns 2 cations play in these structures. All compounds of the A 4 BX 6 family can clearly be separated with respect to their structure in a structure field diagram in the basis of the size relations A/X and B/X.

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