Sulphur
      Crichton W A, Vaughan G B M, Mezouar M
      Zeitschrift fur Kristallographie 216 (2001) 417-419
      In situ structure solution of helical sulphur at 3 GPa and 400 deg C
      Locality: synthetic
      P = 3 GPa, T = 400 C
      _database_code_amcsd 0011091

      CELL PARAMETERS:    7.0897   7.0897   4.3024   90.000   90.000  120.000
      SPACE GROUP: P3_221    
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    187.282
      Density (g/cm3):      2.558
      MAX. ABS. INTENSITY / VOLUME**2:      17.97570015    
      RIR:      2.288
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                25.12        100.00        3.5449    1   1   0         3
                25.28          2.47        3.5234    0   1   1         6
                29.09          1.13        3.0699    2   0   0         6
                32.73         90.35        2.7358    1   1   1         6
                35.94         15.85        2.4990    0   2   1         6
                35.94         20.00        2.4990    2   0   1         6
                38.80          7.20        2.3206    2   1   0         6
                44.35          5.98        2.0425    1   2   1         6
                44.35          3.38        2.0425    2   1   1         6
                44.63          2.02        2.0302    0   1   2         6
                44.63          7.61        2.0302    1   0   2         6
                49.31          8.85        1.8482    0   3   1         6
                49.31          1.82        1.8482    3   0   1         6
                49.57          2.39        1.8390    1   1   2         6
                51.56          2.81        1.7724    2   2   0         3
                51.90          4.64        1.7617    0   2   2         6
                53.84          4.91        1.7029    3   1   0         6
                56.12          4.52        1.6388    2   2   1         6
                58.27          5.85        1.5834    1   3   1         6
                58.27          4.65        1.5834    3   1   1         6
                58.50          4.91        1.5776    1   2   2         6
                58.50          9.04        1.5776    2   1   2         6
                62.65          2.72        1.4828    3   0   2         6
                64.45          1.58        1.4457    4   0   1         6
                66.36          3.31        1.4086    3   2   0         6
                67.01          4.70        1.3965    1   0   3         6
                70.25          1.59        1.3398    4   1   0         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.