American Mineralogist Crystal Structure Database

1 matching records for this search.

(Na.98Mg.02)(Mg.51Si.49)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 J1
_database_code_amcsd 0004950
9.4051 8.6436 5.2679 90 108.142 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)
NaM2     .75 .05151    .25 .96 .01059 .01223 .00892 .00861       0  .00034       0
MgM2     .75 .05151    .25 .04 .01059 .01223 .00892 .00861       0  .00034       0
NaM21    .75 .45644    .75     .01549 .02062 .00885 .01238       0 -.00158       0
MgM1     .75 .65466    .25     .00688 .00701 .00636 .00695       0  .00170       0
SiM11    .75 .84705    .75 .98 .00518 .00512 .00464 .00572       0  .00158       0
SiM1     .75 .84705    .75 .98 .00518 .00512 .00464 .00572       0  .00158       0
Si1   .04470 .84848 .22631     .00592 .00581 .00573 .00601 -.00043  .00155 -.00017
Si2   .03724 .66527 .73569     .00596 .00566 .00589 .00625  .00031  .00177  .00045
O1    .86221 .84423 .10170     .00747 .00594 .00877 .00694 -.00063  .00089 -.00056
O2    .85625 .69303 .65646     .00731 .00551 .00827 .00832  .00058  .00238 -.00034
O3    .12357 .01500 .30692     .00848 .00990 .00644 .00931 -.00196  .00331 -.00028
O4    .09819 .49496 .79057     .01087 .01193 .00868 .01200  .00181  .00371  .00040
O5    .11251 .76685 .01196     .00858 .00757 .01000 .00807 -.00009  .00230 -.00205
O6    .09258 .75262 .50666     .00841 .00836 .00957 .00743 -.00124  .00267  .00180
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