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 1001239
      _database_code_amcsd 0014302

      CELL PARAMETERS:    7.7660   7.7660   5.6297   90.000   90.000  120.000
      SPACE GROUP: P31c      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    294.043
      Density (g/cm3):      3.168
      MAX. ABS. INTENSITY / VOLUME**2:      8.159063069    
      RIR:      0.838
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                13.16         18.49        6.7256    1   0   0         6
                20.57        100.00        4.3169    1   0   1         6
                22.90         47.09        3.8830    1   1   0         3
                26.51         34.28        3.3628    2   0   0         6
                30.98         90.81        2.8870    2   0   1         6
                31.79          6.94        2.8149    0   0   2         1
                34.54         83.91        2.5966    1   0   2         6
                35.31         95.59        2.5420    2   1   0         6
                38.87         12.86        2.3168    3  -1   1         6
                38.87         37.04        2.3168    2   1   1         6
                39.54          1.25        2.2790    2  -1   2         3
                39.54          7.04        2.2790    1   1   2         3
                40.23          5.08        2.2419    3   0   0         6
                41.85         35.44        2.1585    2   0   2         6
                43.45         42.02        2.0828    3   0   1         6
                46.79          3.93        1.9415    2   2   0         3
                48.24          1.04        1.8866    3  -1   2         6
                48.24          4.54        1.8866    2   1   2         6
                48.82          7.14        1.8653    3   1   0         6
                50.49         10.75        1.8075    1   0   3         6
                51.62         18.08        1.7707    4  -1   1         6
                56.13          7.30        1.6387    2   0   3         6
                57.68         19.83        1.5982    4  -2   2         3
                57.68          4.97        1.5982    2   2   2         3
                59.44          2.66        1.5549    4  -1   2         6
                59.44          1.42        1.5549    3   1   2         6
                59.95          3.13        1.5429    3   2   0         6
                61.41          6.98        1.5097    3  -1   3         6
                61.41          1.07        1.5097    2   1   3         6
                62.41         31.94        1.4881    3   2   1         6
                63.37          1.33        1.4676    4   1   0         6
                64.79         23.56        1.4390    3   0   3         6
                65.75         24.14        1.4202    5  -1   1         6
                65.75          1.67        1.4202    4   1   1         6
                66.43         15.00        1.4074    0   0   4         1
                68.06          3.49        1.3776    1   0   4         6
                69.47         14.17        1.3530    5  -2   2         6
                69.47         18.76        1.3530    3   2   2         6
                69.94          1.12        1.3451    5   0   0         6
                71.27          5.17        1.3232    2  -1   4         3
                71.29          5.04        1.3229    3   1   3         6
                71.29          2.45        1.3229    4  -1   3         6
                72.21          5.21        1.3083    5   0   1         6
                72.65         16.33        1.3014    4   1   2         6
                72.65          6.43        1.3014    5  -1   2         6
                72.85          2.69        1.2983    2   0   4         6
                73.11         10.57        1.2943    3   3   0         3
                74.68          2.84        1.2710    4   2   0         6
                76.90          5.19        1.2398    6  -2   1         6
                76.90          1.69        1.2398    4   2   1         6
                77.53          9.10        1.2313    3  -1   4         6
                77.53          4.32        1.2313    2   1   4         6
                78.87          2.54        1.2137    5   0   2         6
                79.32          1.54        1.2079    5   1   0         6
                80.61         11.49        1.1918    5  -2   3         6
                80.61          1.77        1.1918    3   2   3         6
                81.50          6.82        1.1811    5   1   1         6
                83.44          3.18        1.1584    6  -2   2         6
                83.65          9.27        1.1561    4   1   3         6
                86.66          1.72        1.1235    3   1   4         6
                87.97          3.07        1.1101    5   1   2         6
                89.68          1.52        1.0933    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.