Bismutotantalite
Diffraction data computed using the structure from the paper listed below,
along with the cell parameters refined from single crystal data of R130254
      Galliski M A, Marquez-Zavalia M F, Cooper M A, Cerny P, Hawthorne F C
      The Canadian Mineralogist 39 (2001) 103-110
      Bismutotantalite from northwestern Argentina: Description and
      crystal structure
      Sample: [Bi] phase
      Locality: northwestern Argentina
      _database_code_amcsd 0005704

      CELL PARAMETERS:   4.9950 11.8490  5.6830   90.000   90.000   90.000
      SPACE GROUP: Pcnn      

           ATOM        X         Y         Z     OCCUPANCY  ISO(B)
            Bi     0.22147   0.50000   0.25000     0.980     0.797
            Sb     0.22147   0.50000   0.25000     0.020     0.797
            Ta     0.25000   0.75000   0.64078     0.890     0.537
            Nb     0.25000   0.75000   0.64078     0.110     0.537
            O      0.49543   0.69489   0.36094     1.000     1.098
            O      0.08657   0.59742   0.58723     1.000     0.869

            X-RAY WAVELENGTH:     1.541838
            BOUNDS ON TWO THETA:    5.0  90.0
            LIMITS IMPOSED ON THE INDICES ARE:  +/-  4 +/- 10 +/-  5
            MAX. ABS. INTENSITY / VOLUME**2:      471.3727186    
            The INTENSITY cut off value is   1.00

               2-THETA      INTENSITY    D-SPACING   H   K   L
                19.28          2.88        4.6027    1   1   0
                23.72          2.42        3.7518    1   0   1
                24.89         17.65        3.5768    1   1   1
                28.15        100.00        3.1697    1   2   1
                28.82          1.48        3.0981    1   3   0
                30.17         24.31        2.9622    0   4   0
                31.48          8.93        2.8415    0   0   2
                32.40          7.67        2.7632    0   1   2
                32.93          5.53        2.7202    1   3   1
                35.02          6.61        2.5621    0   2   2
                35.96         11.96        2.4975    2   0   0
                38.73          2.09        2.3249    1   4   1
                39.05          3.06        2.3066    0   3   2
                40.17          1.23        2.2450    2   1   1
                44.17          8.27        2.0506    0   4   2
                45.26          3.05        2.0036    1   5   1
                45.86          1.38        1.9788    2   3   1
                47.63         14.49        1.9094    2   4   0
                48.53          5.12        1.8759    2   0   2
                49.17          6.92        1.8528    2   1   2
                50.12          2.84        1.8199    0   5   2
                51.07          4.49        1.7884    2   2   2
                51.60          7.25        1.7712    1   0   3
                52.22          3.84        1.7518    1   1   3
                52.35         18.49        1.7475    1   6   1
                54.04          2.19        1.6970    1   2   3
                54.12          5.42        1.6945    2   3   2
                56.77          2.02        1.6216    0   6   2
                56.98          2.86        1.6162    1   3   3
                58.21          5.47        1.5848    2   4   2
                58.27          1.05        1.5835    3   1   1
                59.95          1.50        1.5429    1   7   1
                59.96         10.24        1.5427    3   2   1
                60.94          7.22        1.5202    1   4   3
                62.73          1.51        1.4812    3   3   1
                62.73          2.89        1.4811    0   8   0
                63.22          2.42        1.4708    2   5   2
                64.03          1.82        1.4542    0   7   2
                65.83          1.82        1.4187    1   5   3
                67.83          4.91        1.3816    0   2   4
                69.06          1.46        1.3601    2   6   2
                71.88          1.55        1.3134    0   8   2
                74.48          3.81        1.2739    2   8   0
                75.68          1.09        1.2567    2   7   2
                76.11          1.35        1.2506    3   0   3
                76.25          1.37        1.2487    4   0   0
                76.61          1.11        1.2437    3   1   3
                76.72          4.26        1.2422    3   6   1
                78.10          1.09        1.2237    1   7   3
                79.24          4.97        1.2089    2   2   4
                80.57          1.01        1.1923    3   3   3
                83.09          1.98        1.1625    2   8   2
                83.89          2.49        1.1533    0   6   4
                84.00          2.74        1.1521    3   4   3
                84.13          2.15        1.1507    4   4   0
                85.45          2.86        1.1362    1   8   3
                86.05          3.81        1.1299    1  10   1
                88.15          2.18        1.1083    1   0   5
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.