Wohlerite
Shibaeva R I, Belov N V
Doklady Akademii Nauk SSSR 146 (1963) 897-900
Crystal structure of wohlerite, Ca2Na(Zr,Nb)[Si2O7](OH)2
_database_code_amcsd 0012441
10.80 10.26 7.26 90 108.95 90 P2_1
atom    x    y    z occ Biso
Na1  .128 .065 .682      .91
Na2  .369 .925 .055      .91
Ca1  .345 .306 .031      .91
Ca2  .152 .696 .200      .91
Ca3  .369 .931 .563      .91
Ca4  .152 .696 .690      .91
Zr1  .345 .306 .548  .5  .91
Nb1  .345 .306 .548  .5  .91
Zr2  .128 .065 .193  .5  .91
Nb2  .128 .065 .193  .5  .91
Si1  .063 .384 .185      .91
Si2  .083 .375 .630      .91
Si3  .433 .618 .615      .91
Si4  .433 .639 .059      .91
O1   .033 .377 .386      .91
O2   .433 .624 .848      .91
O3   .005 .252 .089      .91
O4   .001 .257 .645      .91
O5   .005 .512 .086      .91
O6   .000 .512 .650      .91
O7   .233 .385 .250      .91
O8   .227 .383 .696      .91
O9   .461 .480 .625      .91
O10  .460 .480 .117      .91
O11  .469 .244 .392      .91
O12  .457 .240 .796      .91
O13  .290 .667 .500      .91
O14  .290 .667 .043      .91
OH1  .225 .150 .975      .91
OH2  .250 .100 .467      .91
OH3  .223 .894 .721      .91
F    .229 .894 .241      .91