Poldervaartite
Yano T, Urabe K, Ikawa H, Teraushi T, Ishizawa N, Udagawa S
Acta Crystallographica C49 (1993) 1555-1559
Structure of alpha-dicalcium silicate hydrate
Note: Structure revised in Marsh (1994)
_database_code_amcsd 0010286
9.487 9.179 10.666 90 90 90 P2_12_12_1
atom     x     y     z  Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
Ca1  .4808 .1703 .0660        .0057  .0075  .0066 -.0028 -.0027  .0024
Ca2  .5120 .8312 .9286        .0106  .0111  .0086 -.0016 -.0027 -.0015
Ca3  .3471 .0066 .3886        .0031  .0018  .0022  .0019  .0017  .0029
Ca4  .6563 .9953 .6107        .0133  .0169  .0169 -.0035 -.0040 -.0046
Si1  .1687 .2095 .1639        .0057  .0069  .0053 -.0001 -.0033 -.0009
Si2  .8306 .7838 .8440        .0078  .0052  .0053 -.0006  .0028  .0026
O1   .0619 .1324 .0656 .0096
O2   .9498 .8563 .9343 .0039
O3   .2432 .3487 .0735 .0135
O4   .7458 .6572 .9264 .0077
O5   .2981 .1044 .1950 .0145
O6   .7065 .9041 .8132 .0067
O7   .1099 .2900 .2812 .0070
O8   .9069 .7060 .7218 .0078
O9   .3946 .4492 .3912 .0118
O10  .6067 .5458 .6009 .0062