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 = 854 K
      _database_code_amcsd 0006371

      CELL PARAMETERS:    4.9968   4.9968   5.4576   90.000   90.000  120.000
      SPACE GROUP: P6_222    
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    118.009
      Density (g/cm3):      2.536
      MAX. ABS. INTENSITY / VOLUME**2:      36.04803669    
      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         18.19        4.3274    1   0   0         6
                26.28        100.00        3.3908    1   0   1        12
                35.95          3.71        2.4984    1   1   0         6
                39.02          2.01        2.3082    1   0   2        12
                41.75          3.48        2.1637    2   0   0         6
                45.07          2.64        2.0114    2   0   1        12
                49.46         14.68        1.8427    1   1   2        12
                54.09          1.04        1.6954    2   0   2        12
                58.95          5.87        1.5667    2   1   1        12
                66.67          3.10        1.4029    2   1   2        12
                67.24          5.64        1.3924    2   0   3        12
                74.39          1.57        1.2752    3   0   2        12
                78.67          1.62        1.2163    2   1   3        12
                80.15          1.72        1.1975    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.