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Parakeldyshite |
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Pekov I V, Zubkova N V, Pushcharovsky D Y, Kolitsch U, Tillmanns E |
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Crystallography Reports 52 (2007) 1066-1071 |
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Refined crystal structure of parakeldyshite and genetic crystal |
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chemistry of zirconium minerals with [Si2O7] diorthogroups |
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Locality: Alluaiv Mountain (Lovozero), Kola Peninsula, Russia |
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_database_code_amcsd 0018674 |
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6.617 8.813 5.426 87.26 85.68 71.75 P-1 |
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atom x y z occ Uiso |
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Na1 .8769 .09573 -.25739 .819 .0209 |
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H1 .8769 .09573 -.25739 .066 .0209 |
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Na1' .827 .0624 -.2682 .085 .0209 |
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Na1" .759 .004 -.274 .030 .0209 |
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Na2 .34251 .50132 .23243 .01722 |
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Zr .289623 .270621 -.221466 .00530 |
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Si1 .64397 .14776 .22433 .00560 |
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Si2 .93730 .33444 .31565 .00551 |
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O1 .29140 .03947 -.16584 .01355 |
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O2 .87893 .16677 .27825 .01047 |
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O3 .49007 .20905 .46593 .01444 |
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O4 .56307 .25335 -.02375 .00894 |
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O5 .00766 .31950 .59858 .00951 |
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O6 .12482 .33736 .11279 .01042 |
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O7 .27715 .51311 -.28980 .00902 |
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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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Parakeldyshite |
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Voronkov A A, Shumyatskaya N G, Pyatenko Y A |
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Journal of Structural Chemistry 11 (1970) 866-867 |
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Crystal structure of a new natural modification of Na2Zr[Si2O7] |
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Locality: synthetic |
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_database_code_amcsd 0014056 |
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6.66 8.83 5.42 92.75 94.25 72.33 P-1 |
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atom x y z |
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Na1 .874 .099 .264 |
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Na2 .299 .492 .738 |
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Zr .289 .271 .220 |
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Si1 .642 .146 .772 |
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Si2 .935 .336 .689 |
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O1 .296 .037 .176 |
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O2 .884 .169 .745 |
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O3 .497 .206 .524 |
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O4 .557 .252 .023 |
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O5 .002 .316 .395 |
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O6 .123 .340 .886 |
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O7 .300 .520 .230 |
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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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