FeBr2
      Wilkinson M K, Cable J W, Wollan E O, Koehler W C
      Physical Review 113 (1959) 497-507
      Neutron diffraction investigations of the magnetic ordering in FeBr2,
      CoBr2, FeCl2, and CoCl2
      Locality: synthetic
      _database_code_amcsd 0018638

      CELL PARAMETERS:    3.7720   3.7720   6.2230   90.000   90.000  120.000
      SPACE GROUP: P-3m1     
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:     76.679
      Density (g/cm3):      4.669
      MAX. ABS. INTENSITY / VOLUME**2:      144.8037649    
      RIR:     10.097
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                14.23         17.63        6.2230    0   0   1         2
                27.30          1.45        3.2666    1   0   0         6
                28.69          9.36        3.1115    0   0   2         2
                30.92         85.81        2.8924    0   1   1         6
                30.92         14.19        2.8924    1   0   1         6
                40.02         19.81        2.2530    0   1   2         6
                40.02         19.81        2.2530    1   0   2         6
                48.25         27.13        1.8860    1   1   0         6
                50.57          3.29        1.8049    1   1   1        12
                52.24          2.85        1.7511    0   1   3         6
                52.24         16.93        1.7511    1   0   3         6
                57.11          6.82        1.6128    1   1   2        12
                58.42          1.98        1.5798    0   2   1         6
                58.42         11.54        1.5798    2   0   1         6
                59.41          4.47        1.5558    0   0   4         2
                64.43          4.02        1.4462    0   2   2         6
                64.43          4.02        1.4462    2   0   2         6
                67.07          1.20        1.3954    1   1   3        12
                73.85          5.14        1.2833    0   2   3         6
                79.07          2.74        1.2111    1   2   1        12
                79.94          9.81        1.2001    1   1   4        12
                83.03          3.55        1.1630    0   1   5         6
                84.40          1.10        1.1476    1   2   2        12
                84.40          1.10        1.1476    2   1   2        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.