Na6Si3[Si9O27] Fleet M E American Mineralogist 81 (1996) 1105-1110 Sodium tetrasilicate: A complex high-pressure framework silicate (Na6Si3[Si9O27]) _database_code_amcsd 0001833 10.875 9.326 19.224 90 90.18 90 P2_1/n atom x y z B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3) Na1 .9383 .0513 .2955 .003403 .003306 .001360 .000592 -.000048 .000167 Na2 .9274 .4768 .2722 .003509 .003938 .001333 -.001849 .000670 -.000502 Na3 .4367 .0447 .3863 .002283 .004369 .001691 .000764 -.000825 -.001408 Na4 .3948 .0263 .0773 .004186 .003852 .000609 -.001257 -.000323 .000139 Na5 .4833 .4635 .3842 .004524 .003880 .001245 -.000197 -.000442 .000837 Na6 .3304 .4582 .0726 .003509 .004484 .000886 .001282 -.000155 -.000293 Si1 .71897 .00508 .41306 .001374 .001150 .000365 -.000025 -.000227 -.000028 Si2 .27224 .00272 .24171 .001268 .000862 .000406 .000099 -.000012 -.000028 Si3 .78255 .49927 .42084 .001163 .001092 .000413 .000025 -.000048 .000056 Si4 .94002 .22798 .45674 .000592 .001868 .000149 -.000123 .000036 .000028 Si5 .56746 .27450 .10670 .000676 .001840 .000176 -.000123 .000036 .000000 Si6 .44151 .27507 .24580 .000803 .001782 .000210 .000074 .000024 .000000 Si7 .71925 .26456 .30325 .000698 .001696 .000189 .000123 .000120 -.000028 Si8 .87596 .24314 .16051 .000803 .001437 .000156 -.000049 .000096 .000028 Si9 .15079 .24210 .15532 .000782 .001380 .000244 -.000025 -.000048 -.000014 Si10 .59627 .26068 .49017 .000761 .001495 .000189 .000000 -.000060 -.000014 Si11 .30679 .26137 .48260 .000655 .001840 .000210 .000049 .000000 .000042 Si12 .16298 .24081 .34665 .000930 .001897 .000169 .000000 -.000012 -.000028 O1 .9020 .3930 .4583 .002325 .001782 .000345 .000320 -.000239 -.000014 O2 .5008 .3087 .0327 .002621 .003852 .000162 .000271 -.000239 -.000126 O3 .8965 .3967 .1260 .001945 .001236 .000819 .000345 -.000144 .000307 O4 .4568 .3128 .1629 .000867 .003076 .000433 .000099 .000323 .000139 O5 .2835 .2417 .3980 .001987 .005231 .000223 .000345 .000036 -.000056 O6 .7808 .3919 .3456 .002431 .002098 .000548 -.000592 .000227 -.000265 O7 .4507 .3097 .4876 .000275 .003133 .000636 .000000 .000251 -.000014 O8 .1906 .3964 .1832 .002558 .001265 .000507 -.000173 -.000287 -.000265 O9 .3548 .3930 .2791 .001163 .002386 .000386 .000542 -.000036 .000014 O10 .0156 .1915 .1837 .001015 .004714 .000365 .000000 -.000299 .000418 O11 .8065 .2535 .2348 .002769 .005605 .000284 .000468 .000155 .000014 O12 .6702 .3900 .1240 .001839 .002501 .000433 -.000715 -.000155 .000139 O13 .0436 .1941 .3958 .001374 .003133 .000487 -.000148 .000335 -.000042 O14 .7244 .1074 .3339 .002811 .002213 .000487 .000197 -.000108 .000195 O15 .8331 .1144 .4511 .001142 .002070 .000676 -.000518 -.000155 -.000042 O16 .1309 .3934 .3130 .001628 .000920 .000764 -.000197 .000155 .000223 O17 .6649 .3938 .4575 .001797 .002127 .000859 -.000173 .000048 .000363 O18 .5777 .3093 .2813 .001480 .003737 .000575 -.000173 .000048 .000363 O19 .2148 .3876 .5045 .002008 .002156 .000595 .000740 -.000084 -.000460 O20 .1756 .1106 .2943 .001881 .001753 .000676 .000123 .000215 -.000195 O21 .2430 .1108 .1673 .001649 .002213 .000379 .000000 .000132 .000279 O22 .4068 .1116 .2616 .001712 .001236 .000453 .000049 -.000239 -.000084 O23 .1415 .2678 .0707 .002494 .004513 .000277 .000444 -.000060 -.000153 O24 .8309 .1132 .1152 .001247 .002472 .000947 -.000296 -.000024 -.000600 O25 .5983 .1088 .1183 .001543 .002127 .000419 .000296 .000060 -.000153 O26 .2835 .1017 .5101 .001924 .001753 .000656 -.000099 -.000096 .000209 O27 .6020 .1154 .4471 .001966 .001897 .000595 .000123 -.000179 -.000390