Hexacelsian
      Kremenovic A, Colomban P, Piriou B, Massiot D, Florian P
      Journal of Physics and Chemistry of Solids 64 (2003) 2253-2268
      Structural and spectroscopic characterization of the quenched hexacelsian
      _database_code_amcsd 0013253

      CELL PARAMETERS:    5.2920   5.2920  15.5570   90.000   90.000  120.000
      SPACE GROUP: P6_3/mcm  
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    377.308
      Density (g/cm3):      3.306
      MAX. ABS. INTENSITY / VOLUME**2:      54.20519722    
      RIR:      5.339
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                11.38         28.86        7.7785    0   0   2         2
                22.52        100.00        3.9486    1   0   2        12
                30.14         71.03        2.9654    1   0   4        12
                33.88         42.49        2.6460    1   1   0         6
                34.59          2.56        2.5928    0   0   6         2
                35.85          4.36        2.5050    1   1   2        12
                39.32          9.22        2.2915    2   0   0         6
                39.95         13.97        2.2567    1   0   6        12
                41.06         25.94        2.1981    2   0   2        12
                41.27          5.93        2.1877    1   1   4        12
                45.97          5.02        1.9743    2   0   4        12
                46.71          5.79        1.9446    0   0   8         2
                49.20         16.45        1.8519    1   1   6        12
                51.02          1.99        1.7901    1   0   8        12
                54.25         14.27        1.6908    2   1   2        24
                58.31         16.16        1.5824    2   1   4        24
                58.94          9.96        1.5670    1   1   8        12
                60.61          6.61        1.5277    3   0   0         6
                62.66          2.39        1.4827    2   0   8        12
                63.11          5.70        1.4731    1   0  10        12
                64.72          4.42        1.4404    2   1   6        24
                71.28          6.08        1.3230    2   2   0         6
                71.71          4.32        1.3162    3   0   6        12
                73.17          1.21        1.2935    2   1   8        24
                73.59          6.29        1.2871    2   0  10        12
                75.84          4.26        1.2545    3   1   2        24
                76.34          1.30        1.2475    1   0  12        12
                79.30          5.29        1.2082    3   1   4        24
                79.84          3.42        1.2013    3   0   8        12
                81.71          1.70        1.1785    2   2   6        12
                82.93          1.45        1.1642    1   1  12        12
                83.53          4.52        1.1574    2   1  10        24
                84.98          1.55        1.1413    3   1   6        24
                85.70          1.72        1.1335    4   0   2        12
                89.09          1.00        1.0991    4   0   4        12
                89.62          3.07        1.0939    2   2   8        12
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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.