American Mineralogist Crystal Structure Database

1 matching records for this search.

Na(Mg.45Al.10Si.45)Si2O6
 
Yang H, Konzett J, Frost D J, Downs R T
American Mineralogist 94 (2009) 942-949
X-ray diffraction and Raman spectroscopic study of clinopyroxenes with six-coordinated
Si in the Na(Mg0.5Si0.5)Si2O6 - NaAlSi2O6 system
Note: Sample J2
_database_code_amcsd 0004951
9.3957 8.6262 5.2588 90 108.050 90 P2/n
atom       x      y      z  occ   Uiso U(1,1) U(2,2) U(3,3)  U(1,2)  U(1,3)  U(2,3)
Na1      .75 .05171    .25 .485 .01131 .01472 .00693 .01029       0  .00096       0
Na2      .75 .45582    .75 .483 .01662 .02265 .00824 .01364       0 -.00214       0
MgM1A    .75 .65503    .25 .494 .00753 .00721 .00770 .00755       0  .00209       0
SiM1B    .75 .84699    .75 .487 .00564 .00647 .00526 .00529       0  .00196       0
Si1   .04427 .84800 .22667      .00683 .00715 .00677 .00638 -.00040  .00180 -.00038
Si2   .03743 .66469 .73490      .00731 .00719 .00781 .00688  .00021  .00211  .00053
O1    .86199 .84301 .10340      .00917 .00650 .01080 .00946  .00070  .00136 -.00128
O2    .85642 .69146 .65479      .00860 .00629 .00793 .01091  .00124  .00169  .00120
O3    .12282 .01493 .30608      .01021 .01032 .00884 .01086 -.00176  .00240 -.00002
O4    .09919 .49455 .79087      .01141 .01347 .00891 .01155  .00083  .00342  .00104
O5    .11187 .76627 .01142      .00975 .00890 .01231 .00845  .00081  .00328 -.00146
O6    .09329 .75181 .50591      .00967 .00848 .01114 .00866  .00036  .00157  .00358
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