Polkanovite
      Lambert-Andron B, Dhahri E, Chaudouet P, Madar R
      Journal of the Less-Common Metals 108 (1985) 353-358
      Crystal structure of Rh12As7
      Locality: synthetic
      _database_code_amcsd 0014153

      CELL PARAMETERS:    9.3150   9.3150   3.6590   90.000   90.000  120.000
      SPACE GROUP: P6_3/m    
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    274.953
      Density (g/cm3):     10.624
      MAX. ABS. INTENSITY / VOLUME**2:      293.8632536    
      RIR:      9.007
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                19.06          2.03        4.6575    1   1   0         6
                26.75          2.84        3.3322    1   0   1        12
                33.05          3.92        2.7101    2   0   1        12
                33.32          2.45        2.6890    3   0   0         6
                38.43         29.23        2.3424    1   2   1        12
                38.43         70.77        2.3424    2   1   1        12
                38.66         10.26        2.3287    2   2   0         6
                40.31         21.61        2.2374    3   1   0         6
                41.68         27.21        2.1668    3   0   1        12
                44.95          6.59        2.0168    4   0   0         6
                46.21         17.32        1.9646    2   2   1        12
                47.64          2.15        1.9088    1   3   1        12
                47.64          5.81        1.9088    3   1   1        12
                49.23          1.13        1.8507    2   3   0         6
                49.84         20.54        1.8295    0   0   2         2
                51.76          3.61        1.7662    4   0   1        12
                51.94         20.79        1.7604    1   4   0         6
                55.65          3.64        1.6515    2   3   1        12
                60.75          3.87        1.5245    2   4   0         6
                61.28          1.28        1.5126    3   0   2        12
                64.29          2.64        1.4489    1   5   0         6
                64.81          4.83        1.4386    2   2   2        12
                65.96          7.41        1.4163    3   1   2        12
                66.43          1.92        1.4073    2   4   1        12
                66.43          1.62        1.4073    4   2   1        12
                69.35          2.44        1.3550    4   0   2        12
                69.82          3.33        1.3471    1   5   1        12
                73.28          1.46        1.2918    2   5   0         6
                73.28          3.06        1.2918    5   2   0         6
                74.85         11.55        1.2685    1   4   2        12
                76.38          1.19        1.2468    4   3   1        12
                77.61          1.09        1.2302    1   6   0         6
                78.53         17.16        1.2181    5   2   1        12
                82.33          3.44        1.1712    2   4   2        12
                85.49          2.60        1.1358    1   5   2        12
                85.81          5.58        1.1324    2   1   3        12
                85.81          2.30        1.1324    1   2   3        12
                87.90          2.71        1.1107    3   0   3        12
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.