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 = 100 K, powder neutron data
      Locality: synthetic, Fluka 83379
      _database_code_amcsd 0019550

      CELL PARAMETERS:    4.3600   4.3600  12.3370   90.000   90.000   90.000
      SPACE GROUP: P4_2/nmc  
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    234.521
      Density (g/cm3):      6.434
      MAX. ABS. INTENSITY / VOLUME**2:      215.7390717    
      RIR:     10.918
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                14.36         27.35        6.1685    0   0   2         2
                21.62         78.45        4.1108    1   0   1         8
                25.01         85.86        3.5604    1   0   2         8
                28.96          1.33        3.0830    1   1   0         4
                29.87         34.97        2.9916    1   0   3         8
                32.47         43.70        2.7577    1   1   2         8
                35.66          5.13        2.5179    1   0   4         8
                41.41         64.67        2.1804    1   1   4         8
                41.42         35.33        2.1800    2   0   0         4
                42.08         13.38        2.1474    1   0   5         8
                44.04          8.44        2.0562    0   0   6         2
                44.06          6.62        2.0554    2   0   2         8
                47.19         18.87        1.9259    2   1   1        16
                48.98          8.77        1.8597    1   0   6         8
                49.00         24.69        1.8592    2   1   2        16
                51.90         13.96        1.7618    2   1   3        16
                55.78          2.55        1.6481    2   1   4        16
                56.30          5.36        1.6340    1   0   7         8
                59.99          3.76        1.5421    0   0   8         2
                60.01         10.82        1.5415    2   2   0         4
                60.52          8.44        1.5298    2   1   5        16
                62.05         11.17        1.4958    2   0   6         8
                62.06          2.21        1.4955    2   2   2         8
                64.05          2.73        1.4539    1   0   8         8
                64.57          3.40        1.4434    3   0   1         8
                66.03          6.54        1.4148    2   1   6        16
                66.05          4.61        1.4146    3   0   2         8
                68.47          2.80        1.3703    3   0   3         8
                69.91          8.10        1.3456    3   1   2        16
                72.25          2.35        1.3077    1   0   9         8
                72.26          4.70        1.3075    2   1   7        16
                75.52          7.06        1.2590    2   0   8         8
                75.54         18.62        1.2587    3   1   4        16
                75.99          2.00        1.2523    3   0   5         8
                77.37          5.45        1.2334    2   2   6         8
                79.19          2.76        1.2096    2   1   8        16
                79.67          3.48        1.2035    3   2   1        16
                81.02          1.71        1.1868    3   0   6         8
                81.03          4.82        1.1867    3   2   2        16
                83.29          3.07        1.1601    3   2   3        16
                84.61          6.09        1.1454    1   1  10         8
                86.86          2.75        1.1214    2   1   9        16
                86.87          1.37        1.1213    3   0   7         8
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.