Nierite
      Billy M, Labbe J, Selvaraj A, Roult G
      Materials Research Bulletin 18 (1983) 921-934
      Modifications structurales du nitrure de silicium en fonction de la
      temperature
      _cod_database_code 1001240
      _database_code_amcsd 0014303

      CELL PARAMETERS:    7.7696   7.7696   5.6318   90.000   90.000  120.000
      SPACE GROUP: P31c      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    294.425
      Density (g/cm3):      3.164
      MAX. ABS. INTENSITY / VOLUME**2:      8.561366801    
      RIR:      0.881
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                13.16         18.79        6.7287    1   0   0         6
                20.57        100.00        4.3187    1   0   1         6
                22.89         43.77        3.8848    1   1   0         3
                26.49         28.44        3.3643    2   0   0         6
                30.96         88.12        2.8882    2   0   1         6
                31.78          4.75        2.8159    0   0   2         1
                34.53         82.39        2.5976    1   0   2         6
                35.29         92.02        2.5432    2   1   0         6
                38.85         11.80        2.3178    3  -1   1         6
                38.85         34.94        2.3178    2   1   1         6
                39.53          6.59        2.2799    1   1   2         3
                39.53          1.25        2.2799    2  -1   2         3
                40.21          4.63        2.2429    3   0   0         6
                41.83         32.22        2.1594    2   0   2         6
                43.43         41.49        2.0837    3   0   1         6
                46.77          3.32        1.9424    2   2   0         3
                48.22          4.28        1.8874    2   1   2         6
                48.80          7.32        1.8662    3   1   0         6
                50.47         10.22        1.8082    1   0   3         6
                51.59         16.86        1.7715    4  -1   1         6
                56.10          6.99        1.6393    2   0   3         6
                57.65         18.03        1.5989    4  -2   2         3
                57.65          5.17        1.5989    2   2   2         3
                59.42          2.39        1.5556    4  -1   2         6
                59.42          1.61        1.5556    3   1   2         6
                59.92          2.33        1.5437    3   2   0         6
                61.38          7.42        1.5104    3  -1   3         6
                61.38          1.40        1.5104    2   1   3         6
                62.37         30.98        1.4888    3   2   1         6
                63.34          1.31        1.4683    4   1   0         6
                64.76         21.64        1.4396    3   0   3         6
                65.72          1.63        1.4208    4   1   1         6
                65.72         22.72        1.4208    5  -1   1         6
                66.40         14.93        1.4080    0   0   4         1
                68.03          2.90        1.3781    1   0   4         6
                69.43         13.86        1.3536    5  -2   2         6
                69.43         17.85        1.3536    3   2   2         6
                69.90          1.24        1.3457    5   0   0         6
                71.24          4.51        1.3237    2  -1   4         3
                71.25          4.70        1.3235    3   1   3         6
                71.25          2.26        1.3235    4  -1   3         6
                72.17          4.60        1.3089    5   0   1         6
                72.62          6.20        1.3019    5  -1   2         6
                72.62         14.80        1.3019    4   1   2         6
                72.82          2.60        1.2988    2   0   4         6
                73.07         10.16        1.2949    3   3   0         3
                74.64          2.83        1.2716    4   2   0         6
                76.85          5.40        1.2404    6  -2   1         6
                76.85          1.52        1.2404    4   2   1         6
                77.49          8.48        1.2318    3  -1   4         6
                77.49          4.12        1.2318    2   1   4         6
                78.83          2.55        1.2142    5   0   2         6
                79.27          1.35        1.2085    5   1   0         6
                80.57         11.07        1.1923    5  -2   3         6
                80.57          1.28        1.1923    3   2   3         6
                81.45          6.41        1.1816    5   1   1         6
                83.40          3.20        1.1589    6  -2   2         6
                83.40          1.01        1.1589    4   2   2         6
                83.60          9.01        1.1566    4   1   3         6
                86.61          1.75        1.1240    3   1   4         6
                87.92          1.03        1.1105    6  -1   2         6
                87.92          3.08        1.1105    5   1   2         6
                89.63          1.61        1.0937    5   0   3         6
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       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.