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 = 150 K
      _database_code_amcsd 0009119

      CELL PARAMETERS:    5.3382   5.4818   7.6436   90.000   90.000   90.000
      SPACE GROUP: Pbnm      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    223.674
      Density (g/cm3):      3.097
      MAX. ABS. INTENSITY / VOLUME**2:      6.237333045    
      RIR:      0.656
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                20.29          1.26        4.3765    1   0   1         4
                23.26         36.27        3.8244    1   1   0         4
                23.27         15.07        3.8218    0   0   2         2
                26.05          8.96        3.4202    1   1   1         8
                32.67         25.01        2.7409    0   2   0         2
                33.14         88.03        2.7034    1   1   2         8
                33.58         15.37        2.6691    2   0   0         2
                36.86          8.81        2.4383    1   2   0         4
                37.48         19.44        2.3998    2   1   0         4
                38.76         19.46        2.3229    1   2   1         8
                39.18         43.72        2.2994    1   0   3         4
                39.35         32.17        2.2896    2   1   1         8
                40.50         40.62        2.2273    0   2   2         4
                41.26         25.57        2.1883    2   0   2         4
                42.64         16.15        2.1204    1   1   3         8
                44.05         18.30        2.0556    1   2   2         8
                44.58          9.21        2.0323    2   1   2         8
                47.55        100.00        1.9122    2   2   0         4
                47.59         54.11        1.9109    0   0   4         2
                48.80          7.59        1.8661    0   2   3         4
                49.11          6.85        1.8550    2   2   1         8
                51.91          5.64        1.7616    1   2   3         8
                52.37          5.43        1.7469    2   1   3         8
                52.83          3.91        1.7331    3   0   1         4
                52.97         12.43        1.7288    1   3   0         4
                53.59          9.58        1.7101    2   2   2         8
                53.61          7.15        1.7094    1   1   4         8
                54.19          1.16        1.6925    3   1   0         4
                54.41         15.88        1.6862    1   3   1         8
                55.62          3.77        1.6524    3   1   1         8
                58.61         18.83        1.5751    1   3   2         8
                58.92         20.23        1.5675    0   2   4         4
                59.49         15.81        1.5538    2   0   4         4
                59.76         46.41        1.5475    3   1   2         8
                62.20          2.60        1.4925    3   2   0         4
                62.82          1.50        1.4793    2   3   1         8
                63.28          3.65        1.4696    1   0   5         4
                65.22          3.99        1.4306    1   3   3         8
                66.30          1.93        1.4098    3   1   3         8
                66.69          2.20        1.4026    2   3   2         8
                68.46          8.04        1.3705    0   4   0         2
                69.55         28.64        1.3517    2   2   4         8
                69.71          1.39        1.3489    0   4   1         4
                70.57          4.51        1.3346    4   0   0         2
                71.01          4.88        1.3274    1   4   0         4
                72.90          4.60        1.2976    2   3   3         8
                72.96          2.88        1.2967    4   1   0         4
                73.06          7.22        1.2952    1   2   5         8
                73.40          1.10        1.2900    0   4   2         4
                73.44          3.56        1.2893    2   1   5         8
                73.54          3.69        1.2878    3   2   3         8
                73.93          5.07        1.2820    1   3   4         8
                74.17          1.67        1.2784    4   1   1         8
                75.45          2.12        1.2599    4   0   2         4
                75.88          1.41        1.2539    1   4   2         8
                77.78          3.00        1.2279    4   1   2         8
                78.45          2.19        1.2191    2   4   0         4
                79.21          3.51        1.2093    3   3   2         8
                79.26          6.18        1.2086    1   1   6         8
                79.96          1.51        1.1999    4   2   0         4
                80.43          2.64        1.1941    2   2   5         8
                81.82          1.07        1.1772    1   4   3         8
                83.34          1.81        1.1596    3   0   5         4
                83.69          2.52        1.1556    4   1   3         8
                84.62          3.41        1.1452    1   3   5         8
                85.10          2.94        1.1401    3   3   3         8
                85.62          3.26        1.1345    3   1   5         8
                87.62          4.64        1.1137    0   4   4         4
                89.02          3.69        1.0997    2   4   3         8
                89.59          2.75        1.0941    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.