Poldervaartite
Marsh R E
Acta Crystallographica C50 (1994) 996-997
A revised structure for alpha-dicalcium silicate hydrate
Locality: synthetic Ca2SiO3OHOH
_database_code_amcsd 0010292
9.487 9.179 10.666 90 90 90 Pbca
atom      x      y      z Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
Ca1  .48415 .16956 .06863    0  .0092  .0086  .0079 -.0027 -.0014  .0002
Ca2  .34570 .00578 .38878    0  .0077  .0081  .0078 -.0003 -.0003  .0004
Si1  .16927 .21286 .15970    0  .0067  .0071  .0063 -.0004 -.0002 -.0001
O1   .05605 .13832 .06504    0  .0084  .0089  .0082 -.0017 -.0008 -.0009
O2   .24927 .34579 .07281    0  .0169  .0088  .0109 -.0012  .0039  .0003
O3   .29582 .09944 .19042    0  .0098  .0100  .0120  .0021 -.0018  .0009
O4   .10182 .29231 .27970    0  .0141  .0101  .0066 -.0020  .0021  .0005
O5   .39398 .45254 .39616    0  .0090  .0092  .0110  .0012 -.0006  .0006
H1     .238   .438   .110 .047
H2     .406   .413   .339 .062