Quartz
      Kihara K
      European Journal of Mineralogy 2 (1990) 63-77
      An X-ray study of the temperature dependence of the quartz structure
      Sample: at T = 1012 K
      _database_code_amcsd 0006377

      CELL PARAMETERS:    4.9964   4.9964   5.4543   90.000   90.000  120.000
      SPACE GROUP: P6_222    
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    117.919
      Density (g/cm3):      2.538
      MAX. ABS. INTENSITY / VOLUME**2:      35.76770576    
      RIR:      4.589
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                20.53         18.07        4.3270    1   0   0         6
                26.29        100.00        3.3898    1   0   1        12
                35.95          3.74        2.4982    1   1   0         6
                39.04          2.03        2.3071    1   0   2        12
                41.75          3.47        2.1635    2   0   0         6
                45.08          2.54        2.0111    2   0   1        12
                49.48         14.41        1.8421    1   1   2        12
                58.96          5.78        1.5665    2   1   1        12
                66.69          2.99        1.4026    2   1   2        12
                67.27          5.44        1.3919    2   0   3        12
                74.41          1.52        1.2750    3   0   2        12
                78.70          1.52        1.2159    2   1   3        12
                80.20          1.63        1.1969    1   1   4        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.