Ba3 O21 Ta4 Ti4
Groult D, Chailleux J, Raveau B, Deschanvres A
Revue de Chimie Minerale 14 (1977) 1-10
Nouveaux tantalates A3 (Ta8-x Mx) O21 a structure en cages
_cod_database_code 1001300
_database_code_amcsd 0015379
9.024 9.024 11.79 90 90 120 P6_3/mcm
atom     x    y     z   occ
Ba1  .5936    0   .25
Ta1   .243    0 .0937 .3333
Ti1   .243    0 .0937 .6667
Ta2    1/3  2/3     0
O1    .187    0   .25
O2    .816    0 .0853
O3    .169 .491  .097