Choisnet J, Nguyen N, Groult D, Raveau B
Materials Research Bulletin 11 (1976) 887-894
De nouveaux oxydes a reseau forme d'octahedres NbO6 (TaO6) et de groupes Si2O7:
Les phases A3Ta6Si4O26 (A = Ba,Sr) et K6M6Si4O26 (M = Nb,Ta)
Locality: synthetic
_database_code_amcsd 0014242
8.981 8.981 7.840 90 90 120 P-62m
atom x y z Biso
Ba .593 0 .5 0
Nb .238 0 .239 0
Si 1/3 2/3 .203 .25
O1 1/3 2/3 0 .61
O2 .273 0 0 .69
O3 .819 0 .236 .74
O4 .489 .183 .284 .48
O5 .227 0 .5 .68
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