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 = 275 K
      _database_code_amcsd 0009114

      CELL PARAMETERS:    5.3580   5.4874   7.6642   90.000   90.000   90.000
      SPACE GROUP: Pbnm      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    225.339
      Density (g/cm3):      3.074
      MAX. ABS. INTENSITY / VOLUME**2:      6.495509558    
      RIR:      0.688
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                23.20         35.49        3.8336    1   1   0         4
                23.21         14.87        3.8321    0   0   2         2
                25.99          7.63        3.4286    1   1   1         8
                32.64         24.83        2.7437    0   2   0         2
                33.05         83.60        2.7102    1   1   2         8
                33.45         15.41        2.6790    2   0   0         2
                36.80          9.39        2.4421    1   2   0         4
                37.35         17.88        2.4074    2   1   0         4
                38.70         18.64        2.3269    1   2   1         8
                39.06         41.73        2.3060    1   0   3         4
                39.22         26.32        2.2968    2   1   1         8
                40.43         40.31        2.2309    0   2   2         4
                41.11         27.16        2.1957    2   0   2         4
                42.52         13.90        2.1259    1   1   3         8
                43.97         16.62        2.0595    1   2   2         8
                44.44          8.11        2.0385    2   1   2         8
                47.43        100.00        1.9168    2   2   0         4
                47.45         52.73        1.9160    0   0   4         2
                48.70          6.86        1.8697    0   2   3         4
                48.99          5.88        1.8595    2   2   1         8
                51.79          5.05        1.7653    1   2   3         8
                52.21          4.29        1.7521    2   1   3         8
                52.62          4.71        1.7394    3   0   1         4
                52.89         11.20        1.7310    1   3   0         4
                53.45          8.28        1.7143    2   2   2         8
                53.46          6.87        1.7139    1   1   4         8
                53.99          1.25        1.6983    3   1   0         4
                54.33         13.85        1.6885    1   3   1         8
                55.41          3.42        1.6581    3   1   1         8
                58.51         18.43        1.5776    1   3   2         8
                58.78         19.32        1.5709    0   2   4         4
                59.30         15.29        1.5585    2   0   4         4
                59.54         43.21        1.5527    3   1   2         8
                62.00          2.28        1.4968    3   2   0         4
                62.69          1.29        1.4821    2   3   1         8
                63.08          3.43        1.4737    1   0   5         4
                65.09          3.51        1.4331    1   3   3         8
                66.06          1.67        1.4143    3   1   3         8
                66.54          2.17        1.4054    2   3   2         8
                68.38          8.11        1.3719    0   4   0         2
                69.35         29.24        1.3551    2   2   4         8
                69.62          1.28        1.3504    0   4   1         4
                70.27          4.95        1.3395    4   0   0         2
                70.91          4.41        1.3290    1   4   0         4
                72.66          2.52        1.3013    4   1   0         4
                72.72          4.00        1.3003    2   3   3         8
                72.85          7.00        1.2983    1   2   5         8
                73.20          2.95        1.2930    2   1   5         8
                73.30          4.16        1.2915    3   2   3         8
                73.77          4.65        1.2845    1   3   4         8
                73.87          1.39        1.2829    4   1   1         8
                75.13          1.91        1.2645    4   0   2         4
                75.76          1.59        1.2556    1   4   2         8
                77.46          3.03        1.2322    4   1   2         8
                78.30          2.42        1.2211    2   4   0         4
                78.98          3.46        1.2122    3   3   2         8
                79.01          5.85        1.2119    1   1   6         8
                79.65          1.57        1.2037    4   2   0         4
                80.18          2.42        1.1971    2   2   5         8
                81.67          1.01        1.1790    1   4   3         8
                83.02          2.07        1.1632    3   0   5         4
                83.34          2.17        1.1595    4   1   3         8
                84.41          2.99        1.1476    1   3   5         8
                84.84          2.73        1.1429    3   3   3         8
                85.30          2.98        1.1379    3   1   5         8
                87.44          4.79        1.1154    0   4   4         4
                88.82          3.37        1.1017    2   4   3         8
                89.21          2.97        1.0978    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.