Alluaivite
Rastsvetaeva R K, Khomyakov A P, Andrianov V I, Gusev A I
Doklady Akademii Nauk SSSR 312 (1990) 1379-1383
Crystal structure of alluaivite
Note: eudialyte-type structure
_database_code_amcsd 0012482
14.046 14.046 60.600 90 90 120 R-3m
atom      x     y     z occ Biso
Na1   .4864 .2432 .4820      3.0
Na2   .5574 .4426 .4090      3.5
Na3   .2360 .1180 .3622      2.9
Na4   .2246 .4492 .3351 .78  3.6
Na5   .4140 .5860 .4221 .97  6.9
Na6   .1043 .5522 .0894 .90  3.1
Na7     1/3   1/6   1/6      3.0
Na8      .5    .5     0 .22  5.3
Ca1   .7376     0     0 .75  .63
Ca2   .7396 .7396    .5 .75  .68
Mn1   .7376     0     0 .25  .63
Mn2   .7396 .7396    .5 .25  .68
Nb1   .3419 .1710 .4163 .23 1.31
K2        0     0    .5 .33  4.8
Ce3   .4140 .5860 .4221 .03  6.9
Sr4   .1043 .5522 .0894 .10  3.1
Ti3   .3419 .1710 .4163 .77 1.31
Si1   .2063 .4127 .4608      .97
Si2   .5249 .2625 .3735     1.32
Si3   .0848 .5424 .3712     1.04
Si4   .4047 .5953 .2095      .94
Si5   .3496 .2847 .2157      .94
Si6   .0625 .3426 .2842     1.22
Si7     1/3   2/3 .3781     1.20
Si8     1/3   2/3 .4715     1.80
O1    .1717 .3434 .3914      1.7
O2    .0258 .5130 .3481      1.7
O3    .5527 .4473 .3124      2.5
O4    .1825 .3651 .4848      1.3
O5    .4433 .5567 .2307      2.5
O6    .4738 .2369 .3982      2.2
O7    .0623 .1247 .4543      1.9
O8    .4895 .0210 .4442      1.4
O9    .6038 .3962 .3720      2.0
O10   .4313 .5687 .1862      2.5
O11   .3919 .6081 .3672      7.7
O12   .2691 .0390 .3980      1.9
O13   .2781 .3745 .4458      1.9
O14   .0729 .7026 .3097      1.7
O15   .6897 .6147 .1907      1.6
O16   .0542 .4395 .3877      2.8
O17   .4424 .3594 .2333      1.8
O18   .2734 .5467 .4591      2.6
O19     1/3   2/3 .4041      1.5
O20     1/3   2/3 .4964      3.6
Wat21     0     0    .5 .67  4.8
Wat22   2/3   1/3 .4483       10
Wat23   1/3   2/3 .0500 .20  3.3
Cl        0     0 .3543 .80  2.3