Polkanovite
      Pivan J Y, Guerin R, Sergent M
      Journal of the Less-Common Metals 107 (1985) 249-258
      Rh12As7, a host structure for rare earth elements: Crystal structures of Rh12As7
      and Ho2Rh12As7
      Locality: synthetic
      Note: x(RhII) corrected
      _database_code_amcsd 0014151

      CELL PARAMETERS:    9.2970   9.2970   3.6570   90.000   90.000  120.000
      SPACE GROUP: P6_3/m    
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    273.742
      Density (g/cm3):     10.671
      MAX. ABS. INTENSITY / VOLUME**2:      287.8082844    
      RIR:      8.782
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                19.09          1.91        4.6485    1   1   0         6
                26.77          2.85        3.3296    1   0   1        12
                33.09          3.75        2.7069    2   0   1        12
                33.39          2.41        2.6838    3   0   0         6
                38.49         29.36        2.3392    1   2   1        12
                38.49         70.64        2.3392    2   1   1        12
                38.74         10.11        2.3242    2   2   0         6
                40.39          1.01        2.2331    1   3   0         6
                40.39         21.76        2.2331    3   1   0         6
                41.75         27.00        2.1637    3   0   1        12
                45.04          6.68        2.0129    4   0   0         6
                46.28         17.48        1.9616    2   2   1        12
                47.72          2.10        1.9058    1   3   1        12
                47.72          5.84        1.9058    3   1   1        12
                49.87         20.06        1.8285    0   0   2         2
                51.85          3.43        1.7634    4   0   1        12
                52.05         20.69        1.7570    1   4   0         6
                55.75          3.42        1.6487    2   3   1        12
                60.88          3.57        1.5216    2   4   0         6
                61.35          1.36        1.5111    3   0   2        12
                64.43          2.45        1.4461    1   5   0         6
                64.88          4.80        1.4371    2   2   2        12
                66.04          6.88        1.4147    3   1   2        12
                66.56          1.83        1.4048    2   4   1        12
                66.56          1.57        1.4048    4   2   1        12
                69.44          2.18        1.3534    4   0   2        12
                69.96          3.08        1.3448    1   5   1        12
                73.45          2.77        1.2893    5   2   0         6
                73.45          1.53        1.2893    2   5   0         6
                74.96         10.73        1.2669    1   4   2        12
                76.54          1.12        1.2446    4   3   1        12
                78.70         16.06        1.2159    5   2   1        12
                82.47          3.25        1.1696    2   4   2        12
                85.64          2.50        1.1342    1   5   2        12
                85.89          5.10        1.1316    2   1   3        12
                85.89          2.09        1.1316    1   2   3        12
                87.99          2.50        1.1099    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.