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 = 60 K, powder neutron data
      Locality: synthetic, Fluka 83379
      _database_code_amcsd 0019549

      CELL PARAMETERS:    4.3590   4.3590  12.3190   90.000   90.000   90.000
      SPACE GROUP: P4_2/nmc  
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    234.072
      Density (g/cm3):      6.446
      MAX. ABS. INTENSITY / VOLUME**2:      188.0176569    
      RIR:      9.497
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                14.38         31.17        6.1595    0   0   2         2
                21.63         91.37        4.1093    1   0   1         8
                25.03        100.00        3.5581    1   0   2         8
                28.97          1.55        3.0823    1   1   0         4
                29.89         41.10        2.9890    1   0   3         8
                32.48         51.97        2.7564    1   1   2         8
                35.70          6.28        2.5153    1   0   4         8
                41.43         42.33        2.1795    2   0   0         4
                41.45         77.07        2.1786    1   1   4         8
                42.13         16.05        2.1449    1   0   5         8
                44.07          7.90        2.0547    2   0   2         8
                44.11         10.26        2.0532    0   0   6         2
                47.20         22.92        1.9254    2   1   1        16
                49.01         29.90        1.8585    2   1   2        16
                49.04         10.44        1.8574    1   0   6         8
                51.92         17.14        1.7610    2   1   3        16
                55.81          3.25        1.6472    2   1   4        16
                56.38          6.62        1.6319    1   0   7         8
                60.03         13.49        1.5411    2   2   0         4
                60.08          4.60        1.5399    0   0   8         2
                60.57         10.56        1.5288    2   1   5        16
                62.08          2.76        1.4951    2   2   2         8
                62.11         14.17        1.4945    2   0   6         8
                64.14          3.51        1.4519    1   0   8         8
                64.59          4.31        1.4430    3   0   1         8
                66.07          5.79        1.4142    3   0   2         8
                66.09          8.10        1.4137    2   1   6        16
                68.50          3.59        1.3698    3   0   3         8
                69.93         10.47        1.3452    3   1   2        16
                72.34          6.07        1.3063    2   1   7        16
                72.36          3.03        1.3059    1   0   9         8
                75.57         24.07        1.2582    3   1   4        16
                75.61          9.02        1.2576    2   0   8         8
                76.04          2.62        1.2516    3   0   5         8
                77.43          7.21        1.2325    2   2   6         8
                79.28          3.69        1.2084    2   1   8        16
                79.69          4.60        1.2032    3   2   1        16
                81.06          6.30        1.1863    3   2   2        16
                81.08          2.20        1.1860    3   0   6         8
                83.32          4.10        1.1597    3   2   3        16
                84.74          8.18        1.1439    1   1  10         8
                86.95          1.85        1.1205    3   0   7         8
                86.97          3.70        1.1202    2   1   9        16
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.