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 = 175 K
      _database_code_amcsd 0009118

      CELL PARAMETERS:    5.3416   5.4826   7.6475   90.000   90.000   90.000
      SPACE GROUP: Pbnm      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    223.964
      Density (g/cm3):      3.093
      MAX. ABS. INTENSITY / VOLUME**2:      6.265761731    
      RIR:      0.660
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                20.28          1.02        4.3791    1   0   1         4
                23.25         35.80        3.8260    1   1   0         4
                23.26         15.22        3.8238    0   0   2         2
                26.04          8.71        3.4216    1   1   1         8
                32.67         25.08        2.7413    0   2   0         2
                33.12         87.86        2.7046    1   1   2         8
                33.55         15.32        2.6708    2   0   0         2
                36.85          8.84        2.4389    1   2   0         4
                37.46         19.53        2.4011    2   1   0         4
                38.75         19.42        2.3236    1   2   1         8
                39.16         43.49        2.3006    1   0   3         4
                39.33         31.10        2.2908    2   1   1         8
                40.49         40.87        2.2279    0   2   2         4
                41.23         25.72        2.1896    2   0   2         4
                42.62         15.76        2.1214    1   1   3         8
                44.04         18.16        2.0562    1   2   2         8
                44.56          9.01        2.0334    2   1   2         8
                47.53        100.00        1.9130    2   2   0         4
                47.56         54.30        1.9119    0   0   4         2
                48.78          7.28        1.8668    0   2   3         4
                49.09          6.57        1.8558    2   2   1         8
                51.88          5.44        1.7622    1   2   3         8
                52.34          5.22        1.7478    2   1   3         8
                52.79          4.07        1.7342    3   0   1         4
                52.95         12.05        1.7291    1   3   0         4
                53.57          9.43        1.7108    2   2   2         8
                53.59          7.04        1.7102    1   1   4         8
                54.16          1.12        1.6935    3   1   0         4
                54.40         15.54        1.6866    1   3   1         8
                55.58          3.66        1.6534    3   1   1         8
                58.59         19.14        1.5755    1   3   2         8
                58.89         20.02        1.5682    0   2   4         4
                59.46         15.58        1.5546    2   0   4         4
                59.72         46.46        1.5484    3   1   2         8
                62.17          2.54        1.4932    3   2   0         4
                62.80          1.45        1.4797    2   3   1         8
                63.24          3.58        1.4704    1   0   5         4
                65.19          3.91        1.4310    1   3   3         8
                66.26          1.91        1.4106    3   1   3         8
                66.66          2.30        1.4030    2   3   2         8
                68.45          8.10        1.3707    0   4   0         2
                69.51         28.88        1.3523    2   2   4         8
                69.70          1.33        1.3492    0   4   1         4
                70.52          4.54        1.3354    4   0   0         2
                71.00          4.82        1.3276    1   4   0         4
                72.87          4.48        1.2981    2   3   3         8
                72.91          2.82        1.2975    4   1   0         4
                73.02          7.22        1.2958    1   2   5         8
                73.38          1.05        1.2903    0   4   2         4
                73.40          3.45        1.2900    2   1   5         8
                73.50          3.76        1.2884    3   2   3         8
                73.90          4.94        1.2824    1   3   4         8
                74.12          1.56        1.2792    4   1   1         8
                75.39          2.10        1.2607    4   0   2         4
                75.86          1.44        1.2542    1   4   2         8
                77.72          3.06        1.2287    4   1   2         8
                78.42          2.25        1.2194    2   4   0         4
                79.17          3.58        1.2098    3   3   2         8
                79.21          6.15        1.2092    1   1   6         8
                79.90          1.53        1.2005    4   2   0         4
                80.38          2.58        1.1946    2   2   5         8
                81.79          1.06        1.1775    1   4   3         8
                83.28          1.86        1.1602    3   0   5         4
                83.63          2.40        1.1563    4   1   3         8
                84.59          3.34        1.1456    1   3   5         8
                85.05          2.87        1.1405    3   3   3         8
                85.56          3.21        1.1351    3   1   5         8
                87.59          4.71        1.1140    0   4   4         4
                88.98          3.60        1.1001    2   4   3         8
                89.53          2.78        1.0948    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.