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 = 859 K
      _database_code_amcsd 0006372

      CELL PARAMETERS:    4.9973   4.9973   5.4572   90.000   90.000  120.000
      SPACE GROUP: P6_222    
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    118.024
      Density (g/cm3):      2.536
      MAX. ABS. INTENSITY / VOLUME**2:      36.04028702    
      RIR:      4.628
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                20.52         18.08        4.3278    1   0   0         6
                26.28        100.00        3.3909    1   0   1        12
                35.94          3.74        2.4987    1   1   0         6
                39.02          1.99        2.3081    1   0   2        12
                41.74          3.45        2.1639    2   0   0         6
                45.07          2.63        2.0115    2   0   1        12
                49.46         14.70        1.8428    1   1   2        12
                54.09          1.04        1.6955    2   0   2        12
                58.95          5.88        1.5669    2   1   1        12
                66.66          3.07        1.4030    2   1   2        12
                67.24          5.63        1.3924    2   0   3        12
                74.38          1.57        1.2753    3   0   2        12
                78.66          1.62        1.2163    2   1   3        12
                80.15          1.72        1.1974    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.