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Heulandite-Na |
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Gunter M E, Armbruster T, Kohler T, Knowles C R |
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American Mineralogist 79 (1994) 675-682 |
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Crystal structure and optical properties of Na- and Pb-exchanged |
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heulandite-group zeolites |
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Sample: Na-exchanged |
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Atomic parameters from ICSD |
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_database_code_amcsd 0001669 |
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17.767 17.977 7.422 90 116.14 90 C2/m |
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atom x y z occ Biso |
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Na1 .1726 0 .689 .80 10.3 |
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Na2 .5392 0 .243 .84 7.3 |
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Na3 .2839 0 .029 .16 16.1 |
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Si1 .1788 .1698 .0958 .753 1.49 |
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Al1 .1788 .1698 .0958 .247 1.49 |
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Si2 .2864 .0892 .4949 .753 1.53 |
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Al2 .2864 .0892 .4949 .247 1.53 |
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Si3 .2905 .3098 .2826 .753 1.52 |
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Al3 .2905 .3098 .2826 .247 1.52 |
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Si4 .0673 .2978 .4171 .753 1.52 |
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Al4 .0673 .2978 .4171 .247 1.52 |
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Si5 0 .2165 0 .753 1.6 |
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Al5 0 .2165 0 .247 1.6 |
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O1 .3026 0 .537 2.4 |
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O2 .2341 .1197 .6182 3.23 |
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O3 .1879 .1556 .891 4. |
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O4 .2311 .1033 .2498 2.79 |
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O5 0 .3218 .5 3.8 |
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O6 .0807 .1609 .0493 2.83 |
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O7 .3737 .2686 .4492 3.37 |
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O8 .0145 .2709 .1862 3.4 |
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O9 .2123 .2521 .1875 2.93 |
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O10 .1199 .3719 .4212 2.99 |
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OH11 .2839 0 .029 .68 16.1 |
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OH12 .5 0 .5 13.6 |
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OH13 .422 .0814 .035 13.1 |
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OH14 .074 0 .04 .56 26.9 |
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OH15 .082 0 .271 25.4 |
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OH16 .072 -.029 .758 .37 11.84 |
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O17 0 .1 .5 22.2 |
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