Penkvilksite
Cadoni M, Ferraris G
Acta Crystallographica C64 (2008) i87-i90
Penkvilksite-2O: Na2TiSi4O11*2H2O
Locality: synthetic
Note: the second H could not be located
_database_code_amcsd 0010347
16.320 8.7378 7.3854 90 90 90 Pnca
atom      x      y      z  Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
Ti        0     .5      0 .0080  .0120  .0076  .0045  .0008 -.0004 -.0005
Si1  .07996 .16049  .1236 .0078  .0131  .0069  .0035 -.0007  .0001 -.0007
Si2  .15690 .44096  .2605 .0078  .0112  .0090  .0032  .0000  .0000  .0001
Na    .0970  .6916  .6282 .0294   .045  .0103  .0324 -.0055 -.0193  .0045
O1    .1583  .2605  .1991 .0112   .016  .0088   .009  .0043 -.0036  .0010
O2    .0519  .0382  .2726 .0117   .016   .011   .007  .0024  .0011  .0023
O3    .0097  .2794  .0611 .0116   .013   .011   .011  .0042 -.0031  .0018
O4    .1146  .0513 -.0410 .0121   .019   .011   .007  .0017  .0064 -.0017
O5    .1063  .5405  .1149 .0110   .018  .0075  .0078 -.0030 -.0011  .0016
O6    .2500  .5000  .2702 .0130   .011   .017   .011  -.001   .000   .000
O7W   .1913  .6844 -.1457 .0410   .031   .056   .036  -.015  -.007   .027
H     .2575  .7027 -.1631  .070