Ferrierite-Mg Vaughan P A Acta Crystallographica 21 (1966) 983-990 The crystal structure of the zeolite ferrierite Locality: Kamloops Lake, British Columbia, Canada _database_code_amcsd 0017696 19.156 14.127 7.489 90 90 90 Immm atom x y z occ U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) Na1 .4285 0 0 .375 .018 .081 .015 0 0 0 Mg1 0 0 .5 .024 .048 .053 0 0 0 Si1 .1548 0 0 .847 .030 .019 .017 0 0 0 Al1 .1548 0 0 .153 .030 .019 .017 0 0 0 Si2 .0841 .2024 0 .847 .024 .023 .012 0 0 .002 Al2 .0841 .2024 0 .153 .024 .023 .012 0 0 .002 Si3 .2727 0 .2905 .847 .033 .020 .026 -.001 -.004 .0 Al3 .2727 0 .2905 .153 .033 .020 .026 -.001 -.004 .0 Si4 .3232 .2019 .2067 .847 .031 .019 .026 -.004 0 0 Al4 .3232 .2019 .2067 .153 .031 .019 .026 -.004 0 0 O1 0 .2131 0 .043 .057 .046 0 0 0 O2 .2528 0 .5 .10 .018 .025 0 0 0 O3 .1025 .0882 0 .066 .034 .114 0 0 .016 O4 .2039 0 .1776 .059 .119 .020 -.013 0 0 O5 .25 .25 .25 .078 .043 .050 -.005 .0 .006 O6 .161 .2833 .5 .083 .048 .014 0 0 .010 O7 .1155 .2497 .1796 .061 .067 .040 -.003 -.21 -.007 O8 .3202 .0907 .2459 .059 .026 .059 .003 .004 .004 Wat9 0 0 .2389 .053 .048 .038 0 0 0 Wat10 .0912 .0691 .5 .5 .101 .175 .010 0 0 -.051 Wat11 .0347 .1403 .5 .5 .142 .052 .156 0 0 -.056