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 = 25 K
      _database_code_amcsd 0009124

      CELL PARAMETERS:    5.3292   5.4813   7.6336   90.000   90.000   90.000
      SPACE GROUP: Pbnm      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    222.985
      Density (g/cm3):      3.106
      MAX. ABS. INTENSITY / VOLUME**2:      6.106203722    
      RIR:      0.640
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                20.32          1.22        4.3697    1   0   1         4
                23.28         36.04        3.8210    1   1   0         4
                23.31         15.25        3.8168    0   0   2         2
                26.08          9.32        3.4168    1   1   1         8
                32.67         25.33        2.7406    0   2   0         2
                33.18         90.78        2.7004    1   1   2         8
                33.63         15.48        2.6646    2   0   0         2
                36.88          8.51        2.4372    1   2   0         4
                37.53         20.99        2.3964    2   1   0         4
                38.79         20.15        2.3218    1   2   1         8
                39.23         45.04        2.2962    1   0   3         4
                39.41         34.45        2.2864    2   1   1         8
                40.52         41.15        2.2262    0   2   2         4
                41.32         24.52        2.1848    2   0   2         4
                42.69         17.33        2.1179    1   1   3         8
                44.09         19.18        2.0542    1   2   2         8
                44.65          9.78        2.0296    2   1   2         8
                47.60        100.00        1.9105    2   2   0         4
                47.65         54.98        1.9084    0   0   4         2
                48.84          7.66        1.8647    0   2   3         4
                49.16          7.10        1.8533    2   2   1         8
                51.95          5.79        1.7601    1   2   3         8
                52.45          5.79        1.7445    2   1   3         8
                52.92          3.67        1.7302    3   0   1         4
                52.98         12.79        1.7283    1   3   0         4
                53.65         10.12        1.7084    2   2   2         8
                53.69          7.19        1.7073    1   1   4         8
                54.28          1.08        1.6899    3   1   0         4
                54.43         16.80        1.6857    1   3   1         8
                55.71          3.88        1.6499    3   1   1         8
                58.63         19.70        1.5744    1   3   2         8
                58.98         20.73        1.5661    0   2   4         4
                59.59         16.01        1.5515    2   0   4         4
                59.86         48.62        1.5452    3   1   2         8
                62.28          2.68        1.4907    3   2   0         4
                62.86          1.53        1.4783    2   3   1         8
                63.37          3.68        1.4677    1   0   5         4
                65.26          4.16        1.4297    1   3   3         8
                66.41          2.15        1.4077    3   1   3         8
                66.74          2.39        1.4016    2   3   2         8
                68.47          8.12        1.3703    0   4   0         2
                69.64         28.48        1.3502    2   2   4         8
                69.72          1.38        1.3488    0   4   1         4
                70.71          4.23        1.3323    4   0   0         2
                71.03          5.12        1.3272    1   4   0         4
                72.97          4.86        1.2966    2   3   3         8
                73.09          3.05        1.2946    4   1   0         4
                73.15          7.38        1.2938    1   2   5         8
                73.42          1.21        1.2897    0   4   2         4
                73.56          3.81        1.2876    2   1   5         8
                73.65          3.49        1.2862    3   2   3         8
                74.00          5.14        1.2811    1   3   4         8
                74.31          1.66        1.2764    4   1   1         8
                75.60          2.16        1.2579    4   0   2         4
                75.90          1.33        1.2535    1   4   2         8
                77.92          3.07        1.2260    4   1   2         8
                78.49          2.15        1.2186    2   4   0         4
                79.30          3.63        1.2082    3   3   2         8
                79.38          6.38        1.2071    1   1   6         8
                80.09          1.55        1.1982    4   2   0         4
                80.54          2.68        1.1927    2   2   5         8
                81.86          1.10        1.1767    1   4   3         8
                83.49          1.71        1.1579    3   0   5         4
                83.85          2.56        1.1539    4   1   3         8
                84.71          3.61        1.1442    1   3   5         8
                85.20          2.99        1.1389    3   3   3         8
                85.77          3.41        1.1329    3   1   5         8
                87.67          4.64        1.1131    0   4   4         4
                89.08          3.78        1.0991    2   4   3         8
                89.77          2.63        1.0924    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.