Gaidonnayite
Chao G Y
The Canadian Mineralogist 23 (1985) 11-15
The crystal structure of gaidonnayite Na2ZrSi3O9.2H2O
Locality:  Mont St. Hilaire, Quebec, Canada
_database_code_amcsd 0005201
11.740 12.820 6.691 90 90 90 P2_1nb
atom      x     y     z B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3)
Na1   .7466 .1567 .4307  .0051  .0045  .0162  .0007 -.0019 -.0005
Na2  -.0041 .3876 .3316  .0047  .0037  .0180  .0006 -.0010 -.0049
Zr    .2500 .0531 .1510  .0024  .0015  .0063  .0000 -.0004  .0000
Si1   .2809 .2883 .3927  .0021  .0007  .0059 -.0001 -.0004  .0000
Si2   .4981 .4180 .3911  .0020  .0015  .0058 -.0001 -.0005 -.0001
Si3   .7144 .3918 .1501  .0020  .0015  .0051  .0001  .0004 -.0008
O1    .2116 .3952 .3644  .0025  .0008  .0090  .0007 -.0003 -.0021
O2    .4173 .3155 .4186  .0022  .0009  .0103 -.0012 -.0016  .0015
O3    .7417 .2699 .1017  .0029  .0014  .0056  .0018  .0021  .0012
O4    .2654 .2096 .2065  .0039  .0017  .0078 -.0018  .0036  .0003
O5    .4225 .0194 .1562  .0023  .0014  .0107  .0012 -.0016 -.0023
O6    .5759 .3940 .1960  .0022  .0035  .0060 -.0001  .0010 -.0029
O7    .0743 .0706 .0898  .0015  .0023  .0067  .0002 -.0005 -.0003
O8    .2398 .0361 .4583  .0027  .0012  .0006  .0003  .0011 -.0006
O9    .7817 .4258 .3474  .0031  .0019  .0047 -.0011 -.0020 -.0018
Wat1  .5397 .1326 .4739  .0048  .0032  .0186  .0011 -.0030 -.0032
Wat2  .9558 .1991 .3821  .0060  .0035  .0118  .0026 -.0018  .0023