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Lueshite |
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Seidel P, Hoffmann W |
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Zeitschrift fur Kristallographie 143 (1976) 444-459 |
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Verfeinerung der kristallstruktur von NaNbO3 |
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N. Bestimmung der absoluten konfiguration und des zwillingsgesetzes |
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Note T = 84 K |
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Note: this is a polymorph of lueshite |
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_database_code_amcsd 0010781 |
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7.8147 7.8147 7.8147 89.17 89.17 89.17 R3c |
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atom x y z U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) |
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Na1 0 0 0 .0042 .0042 .0042 -.0003 -.0003 -.0003 |
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Na2 .5 .5 0 .0042 .0042 .0042 -.0003 -.0003 -.0003 |
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Nb1 .258 .258 .258 .0037 .0037 .0037 .0001 .0001 .0001 |
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Nb2 .758 .758 .258 .0037 .0037 .0037 .0001 .0001 .0001 |
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O1 .243 .525 .309 .004 .002 .004 -.001 -.001 -.001 |
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O2 .243 .025 .809 .004 .002 .004 -.001 -.001 -.001 |
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O3 .743 .525 .809 .004 .002 .004 -.001 -.001 -.001 |
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O4 .743 .025 .309 .004 .002 .004 -.001 -.001 -.001 |
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