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Ussingite |
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Rossi G, Tazzoli V, Ungaretti L |
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American Mineralogist 59 (1974) 335-340 |
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The crystal structure of ussingite |
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Locality: Lovozero alkali massif, Russia |
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_database_code_amcsd 0000399 |
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7.256 7.686 8.683 90.75 99.75 122.48 P-1 |
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atom x y z B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3) |
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Al .2422 .0457 .8551 .003788 .004469 .002458 .002209 .000854 .000758 |
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Si1 .2463 .1935 .3626 .003623 .003823 .002521 .001822 .000658 .000437 |
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Si2 .3203 .4147 .6924 .004717 .004041 .002127 .001943 .000971 .000672 |
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Si3 .7014 .1041 .8129 .003229 .005076 .002433 .002751 .001687 .001026 |
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Na1 .1759 .3924 .0555 .014721 .011833 .005361 .008533 .001534 .000218 |
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Na2 .8214 .2342 .4421 .015378 .010061 .004644 .007916 .002133 .001652 |
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H .979 .405 .765 |
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O1 .0021 .1358 .2792 .006931 .007376 .006091 .003748 .001057 -.000105 |
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O2 .1419 .4749 .6515 .008921 .010164 .006054 .006000 .002304 .002923 |
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O3 .2767 -.0021 .3473 .009870 .007111 .003092 .005536 .001337 .000749 |
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O4 .3010 .2970 .8489 .008492 .006090 .003114 .003636 .001210 .000598 |
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O5 .4442 .0224 .7955 .007278 .009345 .005575 .004941 .001388 .000767 |
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O6 .4231 .3818 .2768 .007218 .007946 .004085 .002534 .001959 .001688 |
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O7 .7980 .0344 .9625 .013162 .014394 .003821 .009997 .002274 .002850 |
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O8 .8580 .3557 .8210 .008932 .006853 .006657 .002768 .003279 .000000 |
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O9 .2973 .2604 .5485 .015887 .009418 .002871 .007275 .001241 .000647 |
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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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Ussingite |
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Williams E R, Weller M T |
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Physics and Chemistry of Minerals 39 (2012) 471-478 |
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A variable-temperature neutron diffraction study of ussingite; |
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a strong asymmetric hydrogen bond in an aluminosilicate framework |
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Note: T = 4 K |
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Locality: Nakalaq, Ilimaussaq complex, Greenland |
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_database_code_amcsd 0019374 |
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7.2474 7.6813 8.6432 90.835 99.771 122.581 P-1 |
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atom x y z Uiso |
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Na1 .1701 .3865 .0555 .00720 |
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Na2 .8230 .2388 .4433 .01147 |
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Al1 .2449 .0510 .8547 .00455 |
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Si1 .2527 .1947 .3635 .00591 |
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Si2 .3226 .4184 .6932 .00327 |
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Si3 .7080 .1102 .8116 .00153 |
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O1 .0024 .1355 .2846 .00476 |
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O2 .1412 .4738 .6506 .00767 |
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O3 .2743 -.0056 .3482 .00433 |
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O4 .3019 .3000 .8519 .00601 |
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O5 .4436 .0212 .7954 .00679 |
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O6 .4194 .3740 .2703 .00789 |
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O7 .8061 .0431 .9647 .00464 |
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O8 .8608 .3594 .8196 .00612 |
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O9 .3129 .2676 .5515 .00482 |
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H .9820 .4147 .7465 .01299 |
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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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