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Fluoro-eckermannite |
| |
Oberti R, Hawthorne F C, Camara F, Raudsepp M |
 |
American Mineralogist 84 (1999) 102-111 |
|
Unusual M3+ cations in synthetic amphiboles with nominal fluoro-eckermannite |
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composition: Deviations from stoichiometry and structural effects of the |
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cummingtonite component |
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Sample: Al, Na.98Na1.10Mg.90Mg4.88Al.12Si8O22F2 |
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_database_code_amcsd 0002055 |
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9.668 17.916 5.271 90 102.82 90 C2/m |
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atom x y z occ Biso |
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Si(1) .2842 .0848 .2830 .57 |
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Si(2) .2922 .1706 .7872 .67 |
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Mg(1) 0 .0887 .5 .69 |
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Mg(2) 0 .1793 0 .94 .89 |
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Al(2) 0 .1793 0 .06 .89 |
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Mg(3) 0 0 0 .66 |
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Na(4) 0 .2638 .5 .56 1.83 |
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Mg(4) 0 .2638 .5 .44 1.83 |
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NaA 0 .5 0 .29 3.11 |
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NaA(m) .0464 .5 .1122 .35 2.67 |
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O1 .1143 .0847 .2140 .78 |
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O2 .1208 .1698 .7216 .86 |
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F3 .1045 0 .7074 .79 |
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O4 .3683 .2488 .7836 1.56 |
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O5 .3505 .1277 .0674 1.80 |
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O6 .3473 .1194 .5681 2.20 |
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O7 .3454 0 .2837 1.19 |
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|
| Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink) |
| |
|
Fluoro-eckermannite |
| |
Oberti R, Hawthorne F C, Camara F, Raudsepp M |
|
American Mineralogist 84 (1999) 102-111 |
|
Unusual M3+ cations in synthetic amphiboles with nominal fluoro-eckermannite |
|
composition: Deviations from stoichiometry and structural effects of the |
|
cummingtonite component |
|
Sample: Sc, Na.92Na1.97Mg.03Mg3.95Sc1.05Si8O22F2 |
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_database_code_amcsd 0002056 |
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9.820 18.036 5.290 90 103.64 90 C2/m |
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atom x y z occ Biso |
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Si(1) .2827 .0845 .2907 .36 |
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Si(2) .2883 .1695 .7953 .43 |
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Mg(1) 0 .0884 .5 .51 |
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Sc(2) 0 .1815 0 .53 .48 |
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Mg(2) 0 .1815 0 .47 .48 |
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Mg(3) 0 0 0 .51 |
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Na(4) 0 .2760 .5 .97 2.01 |
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Mg(4) 0 .2760 .5 .03 2.01 |
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NaA 0 .5 0 .27 2.01 |
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NaA(m) .0407 .5 .0937 .52 2.33 |
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NaA(2) 0 .4749 0 .20 3.07 |
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O1 .1141 .0846 .2160 .47 |
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O2 .1194 .1659 .7265 .49 |
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F3 .1012 0 .7097 .59 |
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O4 .3600 .2483 .7968 .78 |
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O5 .3490 .1274 .0783 .73 |
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O6 .3445 .1180 .5789 .72 |
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O7 .3427 0 .2907 .71 |
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|
| Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink) |
| |
|
Fluoro-eckermannite |
| |
Oberti R, Hawthorne F C, Camara F, Raudsepp M |
|
American Mineralogist 84 (1999) 102-111 |
|
Unusual M3+ cations in synthetic amphiboles with nominal fluoro-eckermannite |
|
composition: Deviations from stoichiometry and structural effects of the |
|
cummingtonite component |
|
Sample: Ti, Na.85Na1.02Mg.98Mg4.83Ti.17Si8O22F2 |
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_database_code_amcsd 0002057 |
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9.691 17.930 5.284 90 102.98 90 C2/m |
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atom x y z occ Biso |
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Si(1) .2840 .0848 .2851 .60 |
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Si(2) .2916 .1707 .7907 .59 |
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Mg(1) 0 .0887 .5 .59 |
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Ti(2) 0 .1796 0 .09 .67 |
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Mg(2) 0 .1796 0 .91 .67 |
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Mg(3) 0 0 0 .50 |
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Na(4) 0 .2655 .5 .45 1.96 |
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Mg(4) 0 .2655 .5 .55 1.96 |
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NaA 0 .5 0 .27 2.72 |
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NaA(m) .0462 .5 .1034 .33 2.38 |
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O1 .1137 .0849 .2136 .55 |
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O2 .1199 .1692 .7230 .82 |
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F3 .1037 0 .7080 .78 |
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O4 .3678 .2489 .7848 1.70 |
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O5 .3505 .1283 .0718 1.48 |
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O6 .3467 .1183 .5720 1.76 |
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O7 .3456 0 .2812 1.07 |
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|
| Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink) |
| |
|
Fluoro-eckermannite |
| |
Oberti R, Hawthorne F C, Camara F, Raudsepp M |
|
American Mineralogist 84 (1999) 102-111 |
|
Unusual M3+ cations in synthetic amphiboles with nominal fluoro-eckermannite |
|
composition: Deviations from stoichiometry and structural effects of the |
|
cummingtonite component |
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Sample: V, Na.90Na.92Mg1.08Mg4.98V.02Si8O22F2 |
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_database_code_amcsd 0002058 |
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9.655 17.909 5.267 90 102.73 90 C2/m |
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atom x y z occ Biso |
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Si(1) .2844 .0848 .2816 .49 |
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Si(2) .2924 .1706 .7861 .55 |
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Mg(1) 0 .0887 .5 .64 |
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V(2) 0 .1792 0 .01 .79 |
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Mg(2) 0 .1792 0 .99 .79 |
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Mg(3) 0 0 0 .61 |
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Mg(4) 0 .2631 .5 .57 1.67 |
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Na(4) 0 .2631 .5 .43 1.67 |
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NaA 0 .5 0 .25 2.83 |
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NaA(m) .0441 .5 .1026 .35 2.54 |
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O1 .1139 .0847 .2134 .53 |
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O2 .1207 .1696 .7209 .72 |
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F3 .1041 0 .7068 .73 |
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O4 .3689 .2483 .7830 1.45 |
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O5 .3502 .1279 .0671 1.68 |
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O6 .3474 .1189 .5678 2.25 |
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O7 .3456 0 .2829 1.00 |
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|
| Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink) |
| |
|
Fluoro-eckermannite |
| |
Oberti R, Hawthorne F C, Camara F, Raudsepp M |
|
American Mineralogist 84 (1999) 102-111 |
|
Unusual M3+ cations in synthetic amphiboles with nominal fluoro-eckermannite |
|
composition: Deviations from stoichiometry and structural effects of the |
|
cummingtonite component |
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Sample: Cr1, Na1.00Na1.97Mg.03Mg4.03Cr.97Si8O22F2 |
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_database_code_amcsd 0002059 |
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9.722 17.813 5.282 90 103.69 90 C2/m |
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atom x y z occ Biso |
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Si(1) .2834 .0859 .2939 .43 |
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Si(2) .2898 .1719 .8018 .46 |
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Mg(1) 0 .0895 .5 .53 |
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Cr(2) 0 .1782 0 .49 .45 |
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Mg(2) 0 .1782 0 .51 .45 |
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Mg(3) 0 0 0 .55 |
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Mg(4) 0 .2743 .5 .05 1.23 |
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Na(4) 0 .2743 .5 .95 1.23 |
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NaA 0 .5 0 .27 1.91 |
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NaA(m) .0442 .5 .0930 .27 2.13 |
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NaA(2) 0 .4725 0 .10 2.74 |
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O1 .1130 .0870 .2134 .62 |
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O2 .1188 .1678 .7335 .58 |
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F3 .1041 0 .7068 .80 |
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O4 .3620 .2512 .7977 .82 |
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O5 .3527 .1291 .0838 .74 |
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O6 .3445 .1191 .5844 .73 |
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O7 .3421 0 .2935 .78 |
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|
| Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink) |
| |
|
Fluoro-eckermannite |
| |
Oberti R, Hawthorne F C, Camara F, Raudsepp M |
|
American Mineralogist 84 (1999) 102-111 |
|
Unusual M3+ cations in synthetic amphiboles with nominal fluoro-eckermannite |
|
composition: Deviations from stoichiometry and structural effects of the |
|
cummingtonite component |
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Sample: Cr2, Na1.00Na1.75Mg.25Mg4.25Cr.75Si8O22F2 |
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_database_code_amcsd 0002060 |
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9.728 17.825 5.278 90 103.66 90 C2/m |
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atom x y z occ Biso |
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Si(1) .2835 .0857 .2924 .37 |
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Si(2) .2897 .1718 .7999 .37 |
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Mg(1) 0 .0898 .5 .51 |
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Cr(2) 0 .1785 0 .38 .34 |
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Mg(2) 0 .1785 0 .62 .34 |
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Mg(3) 0 0 0 .38 |
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Mg(4) 0 .2740 .5 .05 1.35 |
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Na(4) 0 .2740 .5 .95 1.35 |
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NaA 0 .5 0 .27 1.99 |
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NaA(m) .0402 .5 .0946 .09 2.38 |
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NaA(2) 0 .4743 0 .08 2.22 |
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Mg(4') 0 .2441 .5 .04 .41 |
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O1 .1128 .0859 .2136 .52 |
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O2 .1189 .1678 .7316 .50 |
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F3 .1029 0 .7091 .62 |
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O4 .3618 .2510 .7947 .85 |
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O5 .3522 .1294 .0828 .69 |
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O6 .3445 .1188 .5826 .75 |
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O7 .3430 0 .2909 .71 |
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|
| Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink) |
| |
|
Fluoro-eckermannite |
| |
Oberti R, Hawthorne F C, Camara F, Raudsepp M |
|
American Mineralogist 84 (1999) 102-111 |
|
Unusual M3+ cations in synthetic amphiboles with nominal fluoro-eckermannite |
|
composition: Deviations from stoichiometry and structural effects of the |
|
cummingtonite component |
|
Sample: Ga, Na.94Na1.07Mg.93Mg4.87Ga.13Si8O22F2 |
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_database_code_amcsd 0002061 |
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9.666 17.902 5.272 90 102.84 90 C2/m |
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atom x y z occ Biso |
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Si(1) .2844 .0849 .2836 .44 |
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Si(2) .2921 .1707 .7878 .56 |
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Mg(1) 0 .0889 .5 .72 |
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Ga(2) 0 .1798 0 .07 .77 |
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Mg(2) 0 .1798 0 .93 .77 |
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Mg(3) 0 0 0 .63 |
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Mg(4) 0 .2643 .5 .47 1.84 |
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Na(4) 0 .2643 .5 .53 1.84 |
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NaA 0 .5 0 .26 2.63 |
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NaA(m) .0444 .5 .1015 .35 2.78 |
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O1 .1139 .0850 .2134 .47 |
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O2 .1204 .1695 .7231 .79 |
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F3 .1037 0 .7071 .73 |
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O4 .3683 .2485 .7846 1.38 |
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O5 .3504 .1284 .0696 1.56 |
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O6 .3468 .1187 .5708 2.09 |
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O7 .3456 0 .2838 1.15 |
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|
| Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink) |
| |
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