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Poldervaartite |
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Yano T, Urabe K, Ikawa H, Teraushi T, Ishizawa N, Udagawa S |
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Acta Crystallographica C49 (1993) 1555-1559 |
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Structure of alpha-dicalcium silicate hydrate |
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Note: Structure revised in Marsh (1994) |
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_database_code_amcsd 0010286 |
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9.487 9.179 10.666 90 90 90 P2_12_12_1 |
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atom x y z Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) |
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Ca1 .4808 .1703 .0660 .0057 .0075 .0066 -.0028 -.0027 .0024 |
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Ca2 .5120 .8312 .9286 .0106 .0111 .0086 -.0016 -.0027 -.0015 |
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Ca3 .3471 .0066 .3886 .0031 .0018 .0022 .0019 .0017 .0029 |
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Ca4 .6563 .9953 .6107 .0133 .0169 .0169 -.0035 -.0040 -.0046 |
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Si1 .1687 .2095 .1639 .0057 .0069 .0053 -.0001 -.0033 -.0009 |
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Si2 .8306 .7838 .8440 .0078 .0052 .0053 -.0006 .0028 .0026 |
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O1 .0619 .1324 .0656 .0096 |
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O2 .9498 .8563 .9343 .0039 |
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O3 .2432 .3487 .0735 .0135 |
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O4 .7458 .6572 .9264 .0077 |
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O5 .2981 .1044 .1950 .0145 |
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O6 .7065 .9041 .8132 .0067 |
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O7 .1099 .2900 .2812 .0070 |
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O8 .9069 .7060 .7218 .0078 |
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O9 .3946 .4492 .3912 .0118 |
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O10 .6067 .5458 .6009 .0062 |
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Calcio-olivine |
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Udagawa S, Urabe K, Natsume M, Yano T |
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Cement and Concrete Research 10 (1980) 139-144 |
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Refinement of the crystal structure of gamma-Ca2SiO4 |
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Locality: synthetic |
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_database_code_amcsd 0017745 |
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5.081 11.224 6.778 90 90 90 Pbnm |
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atom x y z B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3) |
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Cal 0 0 0 .0054 .0017 .0016 -.0004 -.0003 -.0004 |
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Ca2 -.0099 .2809 .25 .0059 .0011 .0020 .0003 0 0 |
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Si .4275 .0966 .25 .0030 .0012 .0017 .0020 0 0 |
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O1 -.2543 .0937 .25 .0050 .0019 .0034 -.0010 0 0 |
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O2 .2974 -.0384 .25 .0065 .0010 .0041 .0004 0 0 |
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O3 .2985 .1624 .0575 .0061 .0016 .0023 .0003 -.0008 .0001 |
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| Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure
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