Nb0.787 O5 P W0.213
      Leclaire A, Borel M, Raveau B, Mezaoui D
      Zeitschrift fur Kristallographie 212 (1997) 837-839
      Combination of $-alpha-Nb O P O4 type layers with enantiomorphic
      alpha'-type layers: the "racemic structure" of alpha-alpha'-
      (Nb0.787 W0.213 O P O4)
      _cod_database_code 1001834
      _database_code_amcsd 0011074

      CELL PARAMETERS:    6.3524   6.3524   4.0916   90.000   90.000   90.000
      SPACE GROUP: P4/nmm    
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    165.108
      Density (g/cm3):      4.490
      MAX. ABS. INTENSITY / VOLUME**2:      75.30234501    
      RIR:      5.461
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                19.76         39.74        4.4918    1   1   0         4
                21.72          1.33        4.0916    0   0   1         2
                25.90        100.00        3.4398    1   0   1         8
                28.09         85.72        3.1762    2   0   0         4
                29.53         22.37        3.0248    1   1   1         8
                38.58         19.32        2.3335    2   1   1        16
                40.15         14.95        2.2459    2   2   0         4
                44.27          8.19        2.0458    0   0   2         2
                45.13         20.67        2.0088    3   1   0         8
                46.64          1.31        1.9473    1   0   2         8
                48.40         25.75        1.8806    3   0   1         8
                48.92         19.71        1.8618    1   1   2         8
                50.62          6.12        1.8032    3   1   1        16
                53.26          7.20        1.7199    2   0   2         8
                55.34          4.33        1.6601    2   1   2        16
                56.90         15.27        1.6182    3   2   1        16
                58.08         10.67        1.5881    4   0   0         4
                61.29          1.53        1.5124    2   2   2         8
                61.98          4.68        1.4973    3   3   0         4
                64.64          8.65        1.4419    4   1   1        16
                65.07         22.85        1.4333    3   1   2        16
                65.74          9.58        1.4204    4   2   0         8
                66.50          1.04        1.4061    3   3   1         8
                70.54          1.01        1.3350    3   2   2        16
                70.64          3.08        1.3335    1   0   3         8
                75.84          2.65        1.2545    4   0   2         8
                75.93          2.93        1.2532    2   0   3         8
                76.46          1.21        1.2458    5   1   0         8
                77.66          2.11        1.2295    2   1   3        16
                78.90          6.37        1.2133    4   3   1        16
                78.90          1.89        1.2133    5   0   1         8
                79.29          7.16        1.2082    3   3   2         8
                80.61          1.84        1.1918    5   1   1        16
                82.71          2.31        1.1668    4   2   2        16
                82.80          3.29        1.1658    2   2   3         8
                84.50          2.49        1.1466    3   0   3         8
                85.71          2.09        1.1334    5   2   1        16
                86.71          2.37        1.1230    4   4   0         4
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.