Wurtzite-2H
      Yeh C, Lu Z W, Froyen S, Zunger A
      Physical Review B46 (1992) 10086-10097
      Zinc-blende-wurtzite polytypism in semiconductors
      _database_code_amcsd 0015169

      CELL PARAMETERS:    3.7770   3.7770   6.1880   90.000   90.000  120.000
      SPACE GROUP: P6_3mc    
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:     76.450
      Density (g/cm3):      4.234
      MAX. ABS. INTENSITY / VOLUME**2:      52.38340286    
      RIR:      4.029
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                27.26         92.65        3.2710    1   0   0         6
                28.86         59.38        3.0940    0   0   2         1
                30.92        100.00        2.8918    1   0   1         6
                40.12         34.14        2.2478    1   0   2         6
                48.19         66.08        1.8885    1   1   0         6
                52.44         65.11        1.7447    1   0   3         6
                56.25          9.73        1.6355    2   0   0         6
                57.14         42.27        1.6120    1   1   2         6
                58.36         13.97        1.5812    2   0   1         6
                59.78          1.54        1.5470    0   0   4         1
                64.44          6.89        1.4459    2   0   2         6
                66.91          1.50        1.3985    1   0   4         6
                73.96         19.54        1.2815    2   0   3         6
                77.15          6.48        1.2363    2   1   0        12
                78.97          9.28        1.2124    2   1   1        12
                80.21          2.94        1.1967    1   1   4         6
                83.52         13.24        1.1575    1   0   5         6
                84.37          5.53        1.1481    2   1   2        12
                89.99          8.27        1.0903    3   0   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.