Neighborite
      Martin C D, Crichton W A, Liu H, Prakapenka V, Chen J, Parise J B
      American Mineralogist 91 (2006) 1703-1706
      Rietveld structure refinement of perovskite and post-perovskite phases of
      NaMgF3 (neighborite) at high pressures
      Locality: synthetic
      Sample: (a), P = 27 GPa
      _database_code_amcsd 0004239

      CELL PARAMETERS:    4.8904   5.2022   7.1403   90.000   90.000   90.000
      SPACE GROUP: Pbnm      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    181.655
      Density (g/cm3):      3.813
      MAX. ABS. INTENSITY / VOLUME**2:      5.412432038    
      RIR:      0.462
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                22.03          6.93        4.0348    1   0   1         4
                24.94         10.58        3.5701    0   0   2         2
                24.99         38.59        3.5632    1   1   0         4
                27.99         18.82        3.1882    1   1   1         8
                34.48         32.13        2.6011    0   2   0         2
                35.60        100.00        2.5220    1   1   2         8
                36.76         32.33        2.4452    2   0   0         2
                39.23         15.04        2.2965    1   2   0         4
                40.78         40.07        2.2129    2   1   0         4
                41.30         29.97        2.1862    1   2   1         8
                42.23         65.27        2.1401    1   0   3         4
                42.78         64.52        2.1137    2   1   1         8
                43.02         22.39        2.1023    0   2   2         4
                44.93         10.74        2.0174    2   0   2         4
                45.85         52.96        1.9792    1   1   3         8
                47.05         32.27        1.9314    1   2   2         8
                48.39         20.64        1.8809    2   1   2         8
                51.17         52.03        1.7851    0   0   4         2
                51.28         75.56        1.7816    2   2   0         4
                52.09         27.00        1.7559    0   2   3         4
                52.97         19.82        1.7286    2   2   1         8
                55.61          5.41        1.6526    1   2   3         8
                56.29         42.27        1.6344    1   3   0         4
                56.81          4.73        1.6207    2   1   3         8
                57.77         12.09        1.5960    1   1   4         8
                57.84         12.45        1.5941    2   2   2         8
                57.88         30.28        1.5932    1   3   1         8
                58.04          1.11        1.5892    3   0   1         4
                59.42          3.15        1.5556    3   1   0         4
                60.96         10.10        1.5199    3   1   1         8
                62.50         15.28        1.4860    1   3   2         8
                63.17         30.20        1.4718    0   2   4         4
                64.65         26.30        1.4418    2   0   4         4
                65.45         62.80        1.4261    3   1   2         8
                67.85          2.32        1.3813    3   2   0         4
                68.44          3.25        1.3708    1   0   5         4
                69.81          7.58        1.3473    1   3   3         8
                71.78          1.25        1.3150    2   3   2         8
                72.61          4.31        1.3021    3   1   3         8
                72.71          2.85        1.3005    0   4   0         2
                73.52          1.35        1.2882    3   2   2         8
                74.10          2.39        1.2795    0   4   1         4
                75.37         19.20        1.2610    2   2   4         8
                75.67          7.48        1.2569    1   4   0         4
                78.18          1.12        1.2226    4   0   0         2
                78.23          3.06        1.2220    0   4   2         4
                78.69         10.82        1.2160    2   3   3         8
                78.94          6.06        1.2127    1   2   5         8
                79.51         11.82        1.2054    1   3   4         8
                79.95          7.16        1.1999    2   1   5         8
                80.38          1.26        1.1947    3   2   3         8
                80.74          4.13        1.1902    4   1   0         4
                80.75          2.02        1.1901    0   0   6         2
                82.09          1.57        1.1740    4   1   1         8
                84.35          1.61        1.1482    2   4   0         4
                84.98          1.45        1.1413    0   4   3         4
                86.12          1.61        1.1291    4   1   2         8
                86.15          8.97        1.1288    1   1   6         8
                86.32          1.13        1.1270    3   3   2         8
                87.55          4.52        1.1143    2   2   5         8
                88.33          3.05        1.1065    4   2   0         4
                89.67          2.78        1.0934    4   2   1         8
                89.70          6.08        1.0931    2   4   2         8
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.