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Trimounsite-(Y) |
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Kolitsch U |
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European Journal of Mineralogy 13 (2001) 761-768 |
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The crystal structure of trimounsite-(Y), (Y,REE)2Ti2SiO9: |
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an unusual TiO6-based titanate chain |
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_database_code_amcsd 0006894 |
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12.293 11.124 4.8610 90 95.69 90 P2_1/c |
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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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Y1 .57800 .86180 -.01444 .764 .01328 .0134 .0131 .01321 .00001 .00079 .00025 |
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Er1 .57800 .86180 -.01444 .236 .01328 .0134 .0131 .01321 .00001 .00079 .00025 |
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Y2 -.06934 .85876 .05361 .770 .01330 .0134 .0131 .01335 -.00008 .00094 .00042 |
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Er2 -.06934 .85876 .05361 .230 .01330 .0134 .0131 .01335 -.00008 .00094 .00042 |
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Ti1 .36059 .66364 -.16513 .01331 .0133 .0147 .0118 .0005 .0009 -.0001 |
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Ti2 .15006 .66317 .19889 .01313 .0134 .0140 .0121 -.0002 .0013 .0004 |
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Si .75231 .90568 -.4286 .0139 .0136 .0140 .0140 .0000 .0011 -.0002 |
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O1 .6441 .6640 -.0623 .0160 .0139 .0172 .0166 .0017 .0001 .0003 |
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O2 -.1350 .6593 .0050 .0174 .0166 .0173 .0185 -.0014 .0027 -.0004 |
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O3 .7536 .9015 -.0938 .0162 .0154 .0201 .0128 -.0008 .0001 .0016 |
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O4 .25439 .5509 .0211 .0150 .0168 .0129 .0161 -.0011 .0055 -.0024 |
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O5 .4379 .5484 -.3026 .0164 .0165 .0159 .0172 -.0007 .0027 -.0019 |
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O6 .4472 .7116 .1675 .0143 .0153 .0152 .0123 .0025 .0008 -.0008 |
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O7 .25539 .7923 .0171 .0144 .0148 .0161 .0119 -.0005 -.0007 -.0003 |
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O8 .0665 .5523 .3276 .0166 .0178 .0146 .0176 .0014 .0025 .0020 |
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O9 .0645 .7106 -.1338 .0147 .0151 .0164 .0126 -.0020 .0010 .0006 |
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