Fenaksite
Rozhdestvenskaya I V, Bannova I I, Nikishova L V, Soboleva T V
Doklady Earth Sciences 398 (2004) 1029-1033
The crystal structure of fenaksite K2Na2Fe2Si8O20
Locality: synthetic
_database_code_amcsd 0012511
8.142 9.954 6.983 100.21 114.13 105.87 P-1
atom      x      y      z   Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
K    .20125 .00942 .34106  .0209  .0144  .0211  .0267 .00604 .00859  .0108
Na    .1435 .41038  .6660  .0229  .0414  .0122  .0146  .0061  .0153  .0058
Fe   .10795 .40673 .15634 .00999 .01053 .00853 .01067 .00341 .00556 .00201
Si1  .35852 .72997 .12574 .00796  .0086  .0084  .0071 .00258 .00432 .00301
Si2  .35887 .72840 .55640 .00859  .0097  .0086  .0066 .00238 .00415 .00198
Si3  .17367 .86816 .79338 .00833  .0102  .0060  .0089 .00332 .00454 .00243
Si4  .69635 .78618 .03015 .00750  .0080  .0063  .0086 .00310 .00425 .00228
O1    .5496  .7112  .1197  .0165  .0159  .0206  .0249  .0104  .0156  .0141
O2    .3257 .86531  .0326  .0131  .0150  .0100  .0113  .0040  .0037  .0051
O3    .4215  .7940  .3874  .0140  .0165  .0141  .0076  .0002  .0069  .0021
O4    .1697 .58196  .9953  .0114  .0104  .0084  .0125  .0025  .0040  .0028
O5    .2184  .5602  .4568  .0178  .0245  .0094  .0122  .0017  .0090  .0005
O6    .4331  .2302  .2272  .0171  .0138  .0256  .0091  .0073  .0032  .0058
O7    .7464  .1660  .3816  .0172  .0235  .0226  .0159  .0155  .0137  .0089
O8    .0438  .2395  .2994  .0154  .0117  .0120  .0190  .0012  .0056  .0071
O9    .8101 .96193  .1744  .0166  .0156  .0062  .0199  .0043  .0024  .0012
O10   .8553 .71690  .0685  .0124  .0128  .0121  .0153  .0080  .0077  .0039