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Coesite |
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Sasaki S, Chen H K, Prewitt C T, Nakajima Y |
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Zeitschrift fur Kristallographie 164 (1983) 67-77 |
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Re-examination of "P2_1/a coesite" |
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Locality: synthetic |
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Note: z(O7), z(O8) corrected |
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Note: This is not the structure of coesite, it is a model for a twin |
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_database_code_amcsd 0010855 |
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7.137 12.370 7.174 90 120.33 90 C2/c |
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atom x y z occ Biso |
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Si1 .3256 .3575 .3905 .5 .05 |
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Si2 .6928 .3595 .1100 .5 .80 |
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Si3 .7804 .4037 .7376 .5 .44 |
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Si4 .2124 .4124 .7505 .5 .39 |
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O1 .2312 .2501 .2533 .5 .09 |
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O2 -.0148 .3660 .7520 .5 .36 |
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O3 .2385 .3535 .5627 .5 -.17 |
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O4 .5876 .3740 .5209 .5 .56 |
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O5 .7923 .4621 .2632 .5 -.21 |
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O6 .2238 .4610 .2239 .5 2.00 |
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O7 .4362 .3734 -.0123 .5 .79 |
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O8 .7818 .3541 -.0567 .5 2.52 |
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