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The crystal structures of Ag + Cu 2 (OH)(SO 4 ) 2 · H 2 O and Me + Cu 2 (OH)(SeO 4 ) 2 · H 2 O [Me + = Ag, Tl, NH 4 ], four new representatives of the natrochalcite type, with a note on natural natrochalcite

✍ Scribed by Giester, G.


Book ID
119964472
Publisher
Oldenbourg Wissenschaftsverlag
Year
1989
Tongue
English
Weight
918 KB
Volume
187
Category
Article
ISSN
2194-4946

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✦ Synopsis


The crystal structures of the title compounds were determined by single crystal X-ray methods, they are isotypic with natrochalcite, NaCu2(OH)(S04)2 • H20; space group Cljm (Z = 2). A comparison with other natrochalcite-type compounds is given, pointing out the variability of this structure type. X-ray measurements on a natural sample of natrochalcite excellently agree with the data for synthetic NaCu2(OH)(S04)2 • H20.


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