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NaY9(SiO4)6O2 |
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Gunawardane R P, Howie R A, Glasser F P |
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Acta Crystallographica B38 (1982) 1564-1566 |
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Structure of the oxyapatite NaY9(SiO4)6O2 |
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Note: apatite structure |
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_database_code_amcsd 0009765 |
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9.334 9.334 6.759 90 90 120 P6_3/m |
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atom x y z occ Biso B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3) |
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Na2 1/3 2/3 -.0019 .25 .711 .0034 .0034 .0019 .0017 0 0 |
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Y2 1/3 2/3 -.0019 .75 .711 .0034 .0034 .0019 .0017 0 0 |
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Y1 .2375 .0042 .25 .706 .0030 .0034 .0022 .00145 0 0 |
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Si .3723 .3994 .25 .26 |
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O1 .2486 .3389 .4380 1.19 |
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O2 .4868 .3171 .25 .98 |
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O3 .5252 .4013 .75 .83 |
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O4 0 0 .25 1.2 |
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