Neighborite
      Mitchell R H, Alexander M, Cranswick L M D, Swainson I P
      Physics and Chemistry of Minerals 34 (2007) 705-712
      A powder neutron diffraction study of the crystal structure of the
      fluoroperovskite NaMgF3 (neighborite) from 300 to 3.6 K
      Locality: synthetic
      Sample: T = 250 K
      _database_code_amcsd 0009115

      CELL PARAMETERS:    5.3535   5.4858   7.6596   90.000   90.000   90.000
      SPACE GROUP: Pbnm      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    224.949
      Density (g/cm3):      3.079
      MAX. ABS. INTENSITY / VOLUME**2:      6.459972287    
      RIR:      0.683
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                23.22         34.83        3.8314    1   1   0         4
                23.23         15.21        3.8298    0   0   2         2
                26.00          7.33        3.4266    1   1   1         8
                32.65         25.11        2.7429    0   2   0         2
                33.07         85.02        2.7086    1   1   2         8
                33.48         15.34        2.6767    2   0   0         2
                36.82          9.18        2.4411    1   2   0         4
                37.38         18.77        2.4056    2   1   0         4
                38.71         19.04        2.3259    1   2   1         8
                39.09         42.07        2.3045    1   0   3         4
                39.25         26.57        2.2951    2   1   1         8
                40.45         41.21        2.2300    0   2   2         4
                41.14         26.59        2.1940    2   0   2         4
                42.55         13.95        2.1247    1   1   3         8
                43.99         16.77        2.0585    1   2   2         8
                44.47          8.33        2.0371    2   1   2         8
                47.46        100.00        1.9157    2   2   0         4
                47.48         53.53        1.9149    0   0   4         2
                48.73          6.51        1.8689    0   2   3         4
                49.02          5.64        1.8585    2   2   1         8
                51.82          4.89        1.7644    1   2   3         8
                52.25          4.32        1.7509    2   1   3         8
                52.66          4.73        1.7380    3   0   1         4
                52.91         10.95        1.7304    1   3   0         4
                53.48          8.44        1.7133    2   2   2         8
                53.50          6.77        1.7129    1   1   4         8
                54.04          1.12        1.6970    3   1   0         4
                54.35         13.74        1.6879    1   3   1         8
                55.46          3.33        1.6568    3   1   1         8
                58.53         19.27        1.5769    1   3   2         8
                58.81         19.33        1.5701    0   2   4         4
                59.34         15.05        1.5574    2   0   4         4
                59.59         44.53        1.5515    3   1   2         8
                62.05          2.22        1.4958    3   2   0         4
                62.72          1.29        1.4814    2   3   1         8
                63.13          3.37        1.4728    1   0   5         4
                65.12          3.43        1.4324    1   3   3         8
                66.12          1.77        1.4133    3   1   3         8
                66.57          2.37        1.4047    2   3   2         8
                68.41          8.34        1.3714    0   4   0         2
                69.39         29.47        1.3543    2   2   4         8
                69.65          1.20        1.3500    0   4   1         4
                70.34          4.76        1.3384    4   0   0         2
                70.94          4.44        1.3285    1   4   0         4
                72.73          2.56        1.3002    4   1   0         4
                72.77          4.04        1.2997    2   3   3         8
                72.90          7.11        1.2976    1   2   5         8
                73.25          2.99        1.2922    2   1   5         8
                73.36          4.10        1.2906    3   2   3         8
                73.81          4.54        1.2839    1   3   4         8
                73.94          1.28        1.2819    4   1   1         8
                75.20          1.93        1.2634    4   0   2         4
                75.79          1.57        1.2552    1   4   2         8
                77.53          3.14        1.2312    4   1   2         8
                78.34          2.46        1.2206    2   4   0         4
                79.03          3.65        1.2115    3   3   2         8
                79.07          5.93        1.2111    1   1   6         8
                79.72          1.60        1.2028    4   2   0         4
                80.23          2.35        1.1964    2   2   5         8
                81.71          1.03        1.1785    1   4   3         8
                83.09          2.05        1.1624    3   0   5         4
                83.42          2.06        1.1586    4   1   3         8
                84.46          2.99        1.1470    1   3   5         8
                84.90          2.67        1.1422    3   3   3         8
                85.37          3.00        1.1371    3   1   5         8
                87.48          4.93        1.1150    0   4   4         4
                88.86          3.30        1.1012    2   4   3         8
                89.30          2.91        1.0970    4   0   4         4
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.