Kurt O. Klepp, Herbert Boller,
"Polymorphism and Disorder in Pseudo-One-Dimensional Compounds AMTS4 (A...NH4, K; M...Cu, Ag; T...Mo,W)"
, in Solid State Phenomena, Vol. 90-91, Trans Tech Publications Inc., Seite(n) 285-290, 2003, ISSN: 1662-9779, H. Boller, K. O. Klepp, G. Guttenbrunner & C. Spindler; Polymorphism and Disorder in Pseudo-One-Dimensional Compounds; Solid State Phenomena 90-91 (2003) 285-290
Original Titel:
Polymorphism and Disorder in Pseudo-One-Dimensional Compounds AMTS4 (A...NH4, K; M...Cu, Ag; T...Mo,W)
Sprache des Titels:
Englisch
Original Kurzfassung:
The title compounds are synthesized either in aqueous or in methanolic solution from reactions of the tetrathiometallates A2TS4 with salts of the mint metals. Single crystals of KCuMoS4, alpha-KCuWS4 and beta-KCuWS4 could be obtained. Their crystal structures were determined from single crystal diffractometer data. KCuMoS4 (a = 7.929, c = 5.409Ä, space group I-4) and beta-KCuWS4 (a = 7.948, c = 5.452Ä, space group I-4) are basically isotypic with (NH4)CuMoS4, but show some disorder with respect to the potassium postitions and the Cu and Mo positions, respectively. alpha-KCuWS4 (a = 8.494, c = 5.4905Ä, space group P4/nbm) represents a new structure type, which transforms slowly to the more densley packed beta-modification. The transformation is topotactic. Powder diagrams of the silver containing phases (NH4)AgMoS4 (a = 7.960, c = 5.802Ä) and (NH4)AgWS4 (a = 7.971, c = 5.839Ä) indicate isotypy to KcuMoS4.
Sprache der Kurzfassung:
Deutsch
Journal:
Solid State Phenomena
Veröffentlicher:
Trans Tech Publications Inc.
Volume:
90-91
Seitenreferenz:
285-290
Erscheinungsjahr:
2003
Notiz zum Zitat:
H. Boller, K. O. Klepp, G. Guttenbrunner & C. Spindler; Polymorphism and Disorder in Pseudo-One-Dimensional Compounds; Solid State Phenomena 90-91 (2003) 285-290