Tsepinite-K
Rosenberg K A, Rastsvetaeva R K, Pekov I V, Chukanov N V, Verin I A
Doklady Akademii Nauk SSSR 393 (2003) 784-787
Crystal structure of Sr-rich tsepinite
_database_code_amcsd 0012497
14.490 14.23 7.881 90 117.28 90 Cm
atom      x     y     z occ  Uiso
K      .499  .191 -.006 .21  .033
Na     .452  .141  .825 .10  .014
Ca     .452  .141  .825 .10  .014
Ti1   .0000 .2406 .5000  .7 .0249
Nb1   .0000 .2406 .5000  .3 .0249
Ti2   .2427 .2477 .4825  .7 .0296
Nb2   .2427 .2477 .4825  .3 .0296
Sr1   .0006    .0  .473 .20  .018
Sr2    .246    .0  .486 .14  .027
Sr3   .9206 .2401 -.004 .15  .038
Si1   .1991 .1098 .7833      .010
Si2   .7979 .1105 .1978      .025
Si3   .3085 .1088 .2211      .019
Si4   .6846 .1110 .7467      .014
O1     .244 .1286  .008      .037
O2     .761  .132  .981      .058
O3    .2666 .1604  .700      .029
O4    .7263 .1741  .273      .039
O5    .0993 .2398  .389      .008
O6     .904  .236  .593      .061
O7     .198     0  .742      .087
O8     .776     0  .219      .028
O9    .4233  .158  .305      .051
O10   .5832 .1756  .691      .028
O11    .251  .132  .342      .052
O12   .7499 .1463  .646      .030
O13    .322     0  .250       .12
O14   .6545     0  .728      .012
O15   .0849 .1308  .661      .018
O16   .9204  .148  .309      .066
Ba1    .442     0  .696 .04  .075
Wat1   .442     0  .696 .34  .075
Ba2    .586     0  .268 .03  .055
Wat2   .586     0  .268 .11  .055
Ba3    .916     0  .666 .07  .049
Wat3   .916     0  .666 .31  .049
Wat4   .112     0  .311 .38  .059
Wat5   .546  .090  .149 .36  .044
Wat6   .001  .162  .012 .40  .061
Wat7   .480  .155  .973 .20  .040
Wat8   .475  .041  .778 .11  .048
Wat9   .979  .089   .86 .22  .031
Wat10  .588  .265  .990 .15  .025