Lawrencite
      Vettier C, Yelon W B
      Journal of Physics and Chemistry of Solids 36 (1975) 401-405
      The structure of FeCl2 at high pressures
      Note: P = 6.40 kbar
      _database_code_amcsd 0018602

      CELL PARAMETERS:    3.5850   3.5850   5.7350   90.000   90.000  120.000
      SPACE GROUP: P-3m1     
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:     63.833
      Density (g/cm3):      3.297
      MAX. ABS. INTENSITY / VOLUME**2:      51.40091669    
      RIR:      5.077
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                15.45         69.37        5.7350    0   0   1         2
                28.75          5.29        3.1047    1   0   0         6
                32.80         99.80        2.7303    0   1   1         6
                42.93         31.21        2.1065    0   1   2         6
                42.93         22.13        2.1065    1   0   2         6
                47.57          1.47        1.9117    0   0   3         2
                50.95         26.95        1.7925    1   1   0         6
                53.56         11.27        1.7109    1   1   1        12
                56.53         17.23        1.6278    1   0   3         6
                61.93         10.63        1.4984    2   0   1         6
                65.05          3.41        1.4338    0   0   4         2
                68.77          3.82        1.3651    0   2   2         6
                68.77          5.39        1.3651    2   0   2         6
                72.25          1.78        1.3076    1   1   3        12
                79.54          4.78        1.2051    0   2   3         6
                84.22          2.30        1.1496    1   2   1        12
                87.03          7.28        1.1196    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.