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Coesite |
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Kirfe A, Will G, Arndt J |
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Zeitschrift fur Kristallographie 149 (1979) 315-326 |
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A new phase of coesite SiO2 |
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Note: this is a synthetic, twinned crystal of a typical coesite, |
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it is not really a new phase |
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_database_code_amcsd 0010809 |
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7.148 12.334 7.112 90 120.30 90 P2_1/a |
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atom x y z U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) |
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Si1 .3224 .3585 .3910 .0066 .0035 .0070 -.0009 .0032 -.0014 |
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Si2 .6864 .3582 .1106 .0049 .0016 .0066 -.0001 .0040 .0009 |
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Si3 .7874 .4086 .7432 .0096 .0042 .0105 .0004 .0079 .0006 |
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Si4 .2190 .4074 .7562 .0027 .0014 .0039 .0004 .0064 .0001 |
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O1 .2498 .2515 .2486 .0131 .0030 .0108 -.0015 .0063 -.0028 |
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O2 .0039 .3662 .7520 .0066 .0069 .0124 -.0025 .0061 -.0023 |
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O3 .2351 .3548 .5609 .0116 .0115 .0063 -.0016 .0058 -.0053 |
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O4 .5791 .3726 .5144 .0067 .0090 .0127 -.0024 .0058 -.0045 |
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O5 .7865 .4648 .2681 .0096 .0020 .0082 .0000 .0052 -.0011 |
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O6 .2083 .4581 .2334 .0164 .0026 .0155 .0015 .0063 .0000 |
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O7 .4275 .3738 -.0184 .0066 .0114 .0092 .0000 .0014 .0026 |
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O8 .7700 .3530 -.0597 .0188 .0077 .0179 .0016 .0153 .0010 |
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