O26 Si4 Sr3 Ta6
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)
_cod_database_code 1001103
_database_code_amcsd 0014248
8.913 8.913 7.633 90 90 120 P-62m
atom    x    y    z   Uiso
Sr1  .589    0   .5 .01494
Ta1  .242    0 .241 .00684
Si1   1/3  2/3 .209 .02178
O1    1/3  2/3    0 .00937
O2   .307    0    0 .03724
O3   .799    0 .246 .01013
O4   .498 .169 .278 .00887
O5   .212    0   .5 .03711