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 = 848 K
      _database_code_amcsd 0006370

      CELL PARAMETERS:    4.9965   4.9965   5.4570   90.000   90.000  120.000
      SPACE GROUP: P6_222    
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    117.982
      Density (g/cm3):      2.537
      MAX. ABS. INTENSITY / VOLUME**2:      36.05282472    
      RIR:      4.628
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                20.53         18.05        4.3271    1   0   0         6
                26.29        100.00        3.3905    1   0   1        12
                35.95          3.75        2.4983    1   1   0         6
                39.03          2.01        2.3080    1   0   2        12
                41.75          3.46        2.1635    2   0   0         6
                45.08          2.61        2.0112    2   0   1        12
                49.47         14.70        1.8426    1   1   2        12
                54.10          1.03        1.6953    2   0   2        12
                58.96          5.90        1.5666    2   1   1        12
                66.67          3.08        1.4028    2   1   2        12
                67.24          5.64        1.3923    2   0   3        12
                74.40          1.58        1.2752    3   0   2        12
                78.67          1.61        1.2162    2   1   3        12
                80.16          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.