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Beta-roselite |
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Joswig W, Paulus E F, Liebscher B |
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Zeitschrift fur Kristallographie 219 (2004) 341-342 |
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Crystal structure of dicalcium (cobalt,magnesium) diarsenate dihydrate, |
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Ca2(Co0.532Mg0.468)[AsO4]2*2H2O, hydrogen bonding in talmessite |
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Locality: Bou-Azzer, Morocco |
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_database_code_amcsd 0011127 |
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5.884 6.981 5.564 97.33 108.93 108.18 P-1 |
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atom x y z occ Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) |
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Ca -.29524 .23736 .34744 .00887 .00931 .00929 .00308 .00387 .00215 |
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Co 0 0 0 .532 .0072 .0070 .0086 .00237 .00363 .00184 |
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Mg 0 0 0 .468 .0072 .0070 .0086 .00237 .00363 .00184 |
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As .33318 .24575 .67079 .00586 .00565 .00682 .00189 .00270 .00204 |
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O1 .3405 .1288 .9213 .0091 .0121 .0104 .0037 .0045 .0066 |
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O2 .2399 .0505 .4002 .0138 .0095 .0087 .0044 .0019 -.0009 |
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O3 .1537 .3907 .6412 .0107 .0093 .0132 .0058 .0050 .0039 |
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O4 .6411 .3849 .7158 .0061 .0103 .0123 .0001 .0040 .0023 |
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Ow -.0463 .2744 .0737 .0085 .0073 .0092 .0013 .0025 .0017 |
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H1 .081 .358 .126 .023 |
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H2 -.123 .302 -.031 .026 |
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View JMOL 3-D Structure (permalink)
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