Coccinite
      Schwarzenbach D, Birkedal H, Hostettler M, Fischer P
      Acta Crystallographica B63 (2007) 828-835
      Neutron diffraction investigation of the temperature dependence of
      crystal structure and thermal motions of red HgI2
      Note: T = 293 K, single crystal X-ray data
      Locality: synthetic, Fluka 83379
      _database_code_amcsd 0019553

      CELL PARAMETERS:    4.3675   4.3675  12.4700   90.000   90.000   90.000
      SPACE GROUP: P4_2/nmc  
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    237.866
      Density (g/cm3):      6.343
      MAX. ABS. INTENSITY / VOLUME**2:      166.2974309    
      RIR:      8.536
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                14.20         36.63        6.2350    0   0   2         2
                21.56         90.58        4.1220    1   0   1         8
                24.89        100.00        3.5772    1   0   2         8
                28.91          1.66        3.0883    1   1   0         4
                29.67         37.57        3.0110    1   0   3         8
                32.35         43.32        2.7674    1   1   2         8
                35.37          4.25        2.5374    1   0   4         8
                41.14         62.95        2.1940    1   1   4         8
                41.34         33.18        2.1837    2   0   0         4
                41.70         12.29        2.1658    1   0   5         8
                43.55          7.13        2.0783    0   0   6         2
                43.93          6.08        2.0610    2   0   2         8
                47.09         15.54        1.9297    2   1   1        16
                48.51          8.66        1.8767    1   0   6         8
                48.86         21.86        1.8639    2   1   2        16
                51.71         10.64        1.7678    2   1   3        16
                55.52          1.60        1.6552    2   1   4        16
                55.73          3.87        1.6495    1   0   7         8
                59.28          2.95        1.5588    0   0   8         2
                59.90          7.53        1.5441    2   2   0         4
                60.18          5.49        1.5377    2   1   5        16
                61.60          6.84        1.5055    2   0   6         8
                61.91          1.42        1.4989    2   2   2         8
                63.35          1.60        1.4681    1   0   8         8
                64.43          2.00        1.4460    3   0   1         8
                65.59          4.88        1.4233    2   1   6        16
                65.88          3.11        1.4177    3   0   2         8
                68.26          1.52        1.3740    3   0   3         8
                69.74          4.19        1.3484    3   1   2        16
                71.43          1.22        1.3207    1   0   9         8
                71.71          2.40        1.3162    2   1   7        16
                74.84          4.05        1.2687    2   0   8         8
                75.25          9.85        1.2628    3   1   4        16
                76.92          2.43        1.2395    2   2   6         8
                78.51          1.22        1.2183    2   1   8        16
                79.50          1.46        1.2057    3   2   1        16
                80.83          2.48        1.1891    3   2   2        16
                83.04          1.18        1.1630    3   2   3        16
                83.63          2.45        1.1563    1   1  10         8
                86.03          1.01        1.1301    2   1   9        16
                89.30          1.82        1.0970    2   2   8         8
                89.83          1.20        1.0919    4   0   0         4
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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.