Fluocerite-(La)
      Cheetham A K, Fender B E F, Fuess H, Wright A F
      Acta Crystallographica B32 (1976) 94-97
      A powder neutron diffraction study of lanthanum and cerium trifluorides
      Locality: synthetic
      Note: cell parameters taken from Zalkin et al. Inorg. Chem 5 (1966) 1466-1468
      _database_code_amcsd 0009547

      CELL PARAMETERS:    7.1850   7.1850   7.3510   90.000   90.000  120.000
      SPACE GROUP: P-3c1     
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    328.648
      Density (g/cm3):      5.938
      MAX. ABS. INTENSITY / VOLUME**2:      163.8805559    
      RIR:      8.986
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                24.21         39.07        3.6755    0   0   2         2
                24.78         27.98        3.5925    1   1   0         6
                27.64        100.00        3.2277    1   1   1        12
                34.92          9.62        2.5691    1   1   2        12
                37.89          1.46        2.3747    0   2   2         6
                40.26          1.29        2.2400    1   2   1        12
                43.64         45.98        2.0741    3   0   0         6
                44.77         55.41        2.0243    1   1   3        12
                49.60          4.85        1.8377    0   0   4         2
                50.53         16.14        1.8064    0   3   2         6
                50.53         16.70        1.8064    3   0   2         6
                50.83          3.44        1.7962    2   2   0         6
                52.44         18.27        1.7449    2   2   1        12
                56.22          3.96        1.6361    1   1   4        12
                57.07          2.86        1.6138    2   2   2        12
                64.30         15.28        1.4487    2   2   3        12
                68.18          5.77        1.3755    3   0   4         6
                68.18          5.96        1.3755    0   3   4         6
                69.02          7.51        1.3607    1   1   5        12
                69.19          2.33        1.3578    4   1   0        12
                70.53          8.10        1.3352    1   4   1        12
                70.53          7.44        1.3352    4   1   1        12
                73.76          1.91        1.2846    2   2   4        12
                74.50          1.47        1.2737    1   4   2        12
                74.50          1.61        1.2737    4   1   2        12
                77.99          2.06        1.2252    0   0   6         2
                80.15          1.84        1.1975    3   3   0         6
                80.95          7.12        1.1877    1   4   3        12
                80.95          7.13        1.1877    4   1   3        12
                83.34          2.73        1.1596    1   1   6        12
                85.23          2.52        1.1386    3   3   2        12
                85.31          4.62        1.1377    2   2   5        12
                89.81          1.26        1.0921    4   1   4        12
                89.81          1.35        1.0921    1   4   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.