Heterogenite
      Delaplane R G, Ibers J A, Ferraro J R, Rush J J
      Journal of Chemical Physics 50 (1969) 1920-1927
      Diffraction and spectroscopic studies of the cobaltic acid system HCoO2 - DCoO2
      Note: Neutron study
      Note: polytype known as Heterogenite-3R
      _database_code_amcsd 0012992

      CELL PARAMETERS:    2.8540   2.8540  13.3540   90.000   90.000  120.000
      SPACE GROUP: R-3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:     94.200
      Density (g/cm3):      4.861
      MAX. ABS. INTENSITY / VOLUME**2:      88.59956803    
      RIR:      5.934
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                19.95        100.00        4.4513    0   0   3         2
                36.99         11.65        2.4304    1   0   1         6
                38.85         59.12        2.3179    0   1   2         6
                40.53          2.96        2.2257    0   0   6         2
                45.67          8.67        1.9865    1   0   4         6
                50.30         37.83        1.8140    0   1   5         6
                61.39         12.27        1.5102    1   0   7         6
                62.61          1.04        1.4838    0   0   9         2
                65.40         14.37        1.4270    1   1   0         6
                67.74          5.66        1.3833    0   1   8         6
                69.13         11.78        1.3589    1   1   3        12
                78.75          4.26        1.2152    2   0   2         6
                79.84          1.45        1.2013    1   1   6        12
                82.02          5.88        1.1749    1   0  10         6
                86.84          4.91        1.1216    2   0   5         6
                87.70          1.24        1.1128    0   0  12         2
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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.