Poldervaartite
      Heller L
      Acta Crystallographica 5 (1952) 724-728
      The structure of dicalcium silicate alpha-hydrate
      Locality: synthetic Ca2SiO3OHOH
      _database_code_amcsd 0009148

      CELL PARAMETERS:    9.3400   9.2200  10.6100   90.000   90.000   90.000
      SPACE GROUP: Pbca      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    913.678
      Density (g/cm3):      2.736
      MAX. ABS. INTENSITY / VOLUME**2:      6.753435506    
      RIR:      0.804
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                15.88         77.25        5.5806    1   1   1         8
                16.71         42.66        5.3050    0   0   2         2
                19.24          1.23        4.6129    1   0   2         4
                19.25          7.90        4.6100    0   2   0         2
                21.01         19.10        4.2281    0   2   1         4
                21.54          5.67        4.1253    1   1   2         8
                22.93         80.31        3.8778    2   1   1         8
                23.09         40.44        3.8518    1   2   1         8
                25.41        100.00        3.5053    2   0   2         4
                25.60          7.27        3.4797    0   2   2         4
                27.18         28.95        3.2808    2   2   0         4
                27.22         13.18        3.2765    2   1   2         8
                27.35         17.57        3.2608    1   2   2         8
                28.48          6.58        3.1343    2   2   1         8
                28.67          1.73        3.1132    1   1   3         8
                31.48          7.55        2.8419    3   1   1         8
                31.79          3.69        2.8147    1   3   1         8
                31.89         60.15        2.8060    0   2   3         4
                32.08         22.91        2.7903    2   2   2         8
                33.23         11.48        2.6962    2   1   3         8
                33.34          9.32        2.6874    1   2   3         8
                33.79          2.41        2.6525    0   0   4         2
                34.80          1.51        2.5780    3   1   2         8
                34.95          6.07        2.5673    2   3   0         4
                36.54          8.89        2.4592    1   1   4         8
                37.39         29.26        2.4052    2   2   3         8
                38.81         17.52        2.3202    3   2   2         8
                38.98         14.17        2.3109    2   3   2         8
                39.05          5.08        2.3064    2   0   4         4
                39.79          1.60        2.2652    3   1   3         8
                39.82         10.06        2.2635    4   1   0         4
                40.03          4.80        2.2525    0   4   1         4
                40.31          6.51        2.2375    2   1   4         8
                40.40         18.05        2.2325    1   2   4         8
                40.76         17.69        2.2137    4   1   1         8
                41.23         12.33        2.1897    1   4   1         8
                42.29          5.91        2.1371    4   0   2         4
                42.77         22.02        2.1141    0   4   2         4
                43.41          7.22        2.0844    3   2   3         8
                43.44         34.37        2.0830    4   2   0         4
                43.47          1.73        2.0819    4   1   2         8
                43.56         62.37        2.0776    2   3   3         8
                43.80         14.90        2.0669    2   4   0         4
                43.91         17.05        2.0619    1   4   2         8
                44.32          6.08        2.0440    4   2   1         8
                44.89          6.57        2.0191    3   0   4         4
                44.89          7.56        2.0190    1   1   5         8
                46.24          1.33        1.9632    1   3   4         8
                46.86         18.41        1.9389    4   2   2         8
                47.19          7.12        1.9259    2   4   2         8
                47.70          1.81        1.9065    4   1   3         8
                48.12          3.06        1.8911    1   4   3         8
                48.12         16.88        1.8908    2   1   5         8
                48.20          5.30        1.8878    1   2   5         8
                48.97          1.45        1.8602    3   3   3         8
                49.27          2.10        1.8495    3   2   4         8
                49.79         12.21        1.8313    4   3   1         8
                50.59          4.29        1.8041    5   1   1         8
                51.19          1.47        1.7845    2   4   3         8
                51.23          6.58        1.7833    1   5   1         8
                51.27         18.74        1.7818    2   2   5         8
                51.69          4.67        1.7683    0   0   6         2
                52.13          1.34        1.7546    4   3   2         8
                52.19          1.41        1.7527    4   0   4         4
                52.31          3.30        1.7490    3   4   2         8
                52.60          3.55        1.7399    0   4   4         4
                52.68          1.54        1.7375    1   0   6         4
                52.90          3.74        1.7306    5   1   2         8
                53.17          3.40        1.7226    3   1   5         8
                53.20          3.99        1.7218    4   1   4         8
                53.42          6.82        1.7151    2   5   0         4
                53.52          1.78        1.7123    1   5   2         8
                53.58          2.36        1.7104    1   4   4         8
                53.64          3.85        1.7087    5   2   1         8
                55.57          4.24        1.6537    2   0   6         4
                55.67          1.92        1.6510    0   2   6         4
                55.87          6.43        1.6457    4   3   3         8
                56.04          3.79        1.6410    3   4   3         8
                56.24          3.04        1.6356    2   3   5         8
                56.38          1.06        1.6320    2   5   2         8
                56.44          1.78        1.6304    2   4   4         8
                56.54          3.40        1.6278    2   1   6         8
                56.61          4.04        1.6258    1   2   6         8
                58.47          2.22        1.5785    5   3   1         8
                58.85          2.49        1.5691    3   5   1         8
                59.37          4.66        1.5567    6   0   0         2
                59.94          1.66        1.5432    2   5   3         8
                60.18          2.80        1.5376    3   0   6         4
                60.22          4.55        1.5367    0   6   0         2
                60.84          1.35        1.5225    4   3   4         8
                60.92          1.58        1.5208    0   6   1         4
                61.01          3.01        1.5188    3   4   4         8
                61.55          1.44        1.5067    5   1   4         8
                62.14          1.02        1.4937    6   0   2         4
                62.40          2.87        1.4881    4   4   3         8
                62.48          1.25        1.4865    4   2   5         8
                62.75          4.99        1.4806    2   4   5         8
                62.93          5.23        1.4768    1   1   7         8
                63.03          1.19        1.4749    6   2   0         4
                63.05          1.86        1.4745    6   1   2         8
                64.38          2.64        1.4471    4   5   0         4
                64.43          1.62        1.4461    2   6   1         8
                64.72          2.84        1.4403    2   5   4         8
                64.74          9.37        1.4399    0   2   7         4
                64.84          4.83        1.4379    5   4   1         8
                66.30          1.98        1.4097    4   0   6         4
                66.39          9.26        1.4080    6   1   3         8
                66.43          1.71        1.4074    2   6   2         8
                67.07          3.22        1.3955    3   4   5         8
                67.17          1.32        1.3936    1   6   3         8
                67.18          4.46        1.3935    4   1   6         8
                67.44          1.55        1.3887    6   3   0         4
                68.09          5.64        1.3769    6   3   1         8
                68.69          6.30        1.3665    3   6   1         8
                68.99          2.16        1.3612    6   2   3         8
                69.69          1.57        1.3493    2   6   3         8
                70.94          2.30        1.3285    6   1   4         8
                71.90          1.84        1.3131    1   0   8         4
                72.59          1.23        1.3024    5   5   1         8
                72.88          2.79        1.2978    4   4   5         8
                74.13          1.18        1.2791    3   4   6         8
                74.44          2.85        1.2746    0   2   8         4
                74.58          1.10        1.2724    7   2   1         8
                74.91          1.02        1.2677    2   7   0         4
                75.00          1.63        1.2664    0   4   7         4
                75.53          1.27        1.2587    2   7   1         8
                76.55          6.33        1.2446    0   6   5         4
                77.10          1.28        1.2371    5   2   6         8
                77.35          1.04        1.2337    1   6   5         8
                77.54          3.66        1.2312    2   5   6         8
                77.60          1.15        1.2303    6   3   4         8
                79.42          1.38        1.2066    4   6   3         8
                79.74          1.76        1.2026    4   4   6         8
                81.62          1.56        1.1795    3   2   8         8
                81.64          1.28        1.1794    5   6   1         8
                82.02          1.28        1.1748    4   3   7         8
                82.17          1.92        1.1731    3   4   7         8
                82.65          1.88        1.1675    5   1   7         8
                83.13          4.07        1.1620    6   3   5         8
                83.24          3.48        1.1607    6   5   2         8
                83.31          1.00        1.1599    0   6   6         4
                83.37          1.12        1.1592    6   1   6         8
                83.70          1.50        1.1554    4   6   4         8
                83.83          2.43        1.1540    7   2   4         8
                83.90          3.09        1.1532    4   0   8         4
                84.23          1.03        1.1495    0   4   8         4
                84.37          3.71        1.1480    7   4   1         8
                85.05          2.33        1.1406    4   7   1         8
                85.08          4.18        1.1402    8   0   2         4
                85.36          1.53        1.1372    1   8   1         8
                86.39          1.84        1.1262    0   8   2         4
                87.00          3.23        1.1199    4   5   6         8
                87.10          1.67        1.1189    2   8   0         4
                87.18          1.13        1.1181    1   8   2         8
                87.36          1.23        1.1162    2   4   8         8
                87.66          2.34        1.1132    4   4   7         8
                88.03          2.15        1.1094    2   2   9         8
                89.42          1.65        1.0958    0   8   3         4
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.