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Hummerite |
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Hughes J M, Schindler M, Rakovan J F, Cureton F E |
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The Canadian Mineralogist 40 (2002) 1429-1435 |
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The crystal structure of hummerite, K Mg(V5O14).8H2O: |
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Bonding between the [V10O28] structural units and the |
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{K2Mg2(H2O)16} interstitial complex |
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_database_code_amcsd 0005792 |
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8.8178 10.7236 11.0707 65.789 74.057 71.853 P-1 |
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atom x y z Uiso |
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V1 .67554 .50637 .51942 .01666 |
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V2 .38822 .77792 .45258 .01881 |
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V3 .35314 .54862 .73003 .01796 |
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V4 .69385 .73938 .24167 .02152 |
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V5 .63029 .27648 .79897 .02128 |
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OV1 .2994 .89304 .52256 .0265 |
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OV2 .2848 .83219 .31048 .0222 |
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OV3 .5243 .64321 .59189 .0173 |
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OV4 .7659 .40873 .65734 .0212 |
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OV5 .7965 .61357 .41051 .0215 |
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OV6 .51599 .59950 .37888 .0174 |
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OV7 .2619 .66643 .79624 .0262 |
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OV8 .2222 .42672 .80217 .0217 |
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OV9 .5080 .43901 .83715 .0207 |
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OV10 .5677 .84241 .34664 .0215 |
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OV11 .4542 .19578 .87099 .0235 |
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OV12 .8291 .8273 .1546 .03200 |
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OV13 .7389 .36696 .43906 .0182 |
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OV14 .7376 .1985 .9158 .0328 |
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K .32958 .90849 .78152 .03728 |
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Mg .78293 .73370 .78507 .02159 |
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OI1 .9105 .5704 .7195 .0478 |
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HI1A .878 .526 .698 .039 |
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HI1B .992 .550 .731 .061 |
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OI2 .6407 .8942 .8556 .0286 |
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HI2A .646 .963 .820 .050 |
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HI2B .623 .874 .932 .034 |
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OI3 .0601 1.1546 .5971 .0529 |
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HI3A -.016 1.148 .622 .12 |
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HI3B .087 1.225 .583 .09 |
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OI4 .0027 .9361 .8764 .0489 |
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HI4A -.020 .893 .945 .16 |
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H14B .001 1.004 .856 .23 |
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OI5 .9203 .6579 .9340 .0326 |
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HI5A .896 .628 1.003 .057 |
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HI5B 1.012 .652 .934 .087 |
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OI6 .6492 .8212 .6308 .0306 |
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HI6A .622 .773 .608 .032 |
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HI6B .673 .866 .571 .074 |
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OI7 .6060 .6259 .8963 .0333 |
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HI7A .592 .567 .874 .032 |
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HI7B .583 .606 .973 .040 |
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OI8 .9457 .8538 .6639 .0422 |
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HI8A 1.009 .857 .686 .10 |
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HI8B .954 .868 .599 .17 |
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