Batisite
Nikitin A V, Belov N V
Doklady Akademii Nauk SSSR 146 (1962) 1401-1403
Crystal structure of batisite, Na2BaTi2Si4O14 = Na2BaTi2O2[Si4O12]
_database_code_amcsd 0012440
10.40 13.85 8.10 90 90 90 *Ima2
.25 .25 0
atom    x    y     z
Na1   .25  .25  .484
Na2    .5 .072  .528
Ba      0 .002     0
Ti1     0 .220 .2831
Ti2     0 .220  .784
Si1  .278 .105  .195
Si2  .278 .104  .798
O1   .367 .182  .727
O2   .128 .115  .740
O3   .334 .001  .793
O4   .128 .103  .293
O5   .367 .190  .312
O6   .292 .092  .032
O7      0 .200  .523
O8      0 .215  .033