NaNb3O8
      Range K J, Wildenauer M, Heyns A M
      Angewandte Chemie 100 (1988) 973-975
      Extrem kurze nichtbindende sauerstoff-sauerstoff-abstaende: Die
      kristallstrukturen von NbBO4, NaNb3O8 und NaTa3O8
      Note: data from ICSD
      _database_code_amcsd 0011992

      CELL PARAMETERS:    7.3244  10.3100   7.0426   90.000   90.000   90.000
      SPACE GROUP: Ibam      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    531.819
      Density (g/cm3):      5.366
      MAX. ABS. INTENSITY / VOLUME**2:      70.56149607    
      RIR:      4.282
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                14.84         52.50        5.9710    1   1   0         4
                17.20         13.09        5.1550    0   2   0         2
                24.30          6.71        3.6622    2   0   0         2
                24.61          4.43        3.6171    1   2   1         8
                25.29          5.97        3.5213    0   0   2         2
                28.69         10.02        3.1112    1   3   0         4
                29.45         13.08        3.0331    1   1   2         8
                29.93        100.00        2.9855    2   2   0         4
                30.75         87.33        2.9077    0   2   2         4
                34.81         15.38        2.5775    0   4   0         2
                35.36         35.21        2.5383    2   0   2         4
                38.12          1.05        2.3610    2   3   1         8
                39.20          2.03        2.2982    1   4   1         8
                39.58          2.43        2.2772    2   2   2         8
                43.51          2.43        2.0799    0   4   2         4
                44.16          6.86        2.0510    1   2   3         8
                45.58          6.33        1.9903    3   3   0         4
                46.09          3.18        1.9694    3   1   2         8
                49.80         12.84        1.8311    4   0   0         2
                50.46         56.55        1.8085    2   4   2         8
                51.93         15.69        1.7607    0   0   4         2
                52.84          2.83        1.7327    3   3   2         8
                52.96          4.03        1.7291    1   5   2         8
                53.08          1.96        1.7255    4   2   0         4
                53.29          2.52        1.7189    3   4   1         8
                54.32          1.69        1.6888    1   4   3         8
                54.32          2.55        1.6888    1   1   4         8
                56.54          4.37        1.6276    1   6   1         8
                58.60          1.14        1.5753    3   5   0         4
                59.42         10.77        1.5556    2   6   0         4
                59.68         29.30        1.5495    4   2   2         8
                59.90         12.26        1.5443    0   6   2         4
                60.41          2.58        1.5323    1   3   4         8
                61.11         22.32        1.5166    2   2   4         8
                62.19          9.22        1.4928    4   4   0         4
                64.05          7.25        1.4538    0   4   4         4
                64.84          1.59        1.4380    3   5   2         8
                65.61          1.34        1.4229    2   6   2         8
                66.05          1.57        1.4146    3   4   3         8
                68.03          1.75        1.3780    3   6   1         8
                70.18          2.91        1.3410    5   1   2         8
                70.49          2.19        1.3360    1   7   2         8
                71.55          1.71        1.3187    3   3   4         8
                73.48          2.47        1.2888    0   8   0         2
                74.81          6.38        1.2691    4   0   4         4
                76.22          2.52        1.2491    1   8   1         8
                77.45          1.09        1.2323    4   2   4         8
                80.93          4.24        1.1879    6   2   0         4
                81.54          6.23        1.1805    4   6   2         8
                82.80          8.40        1.1658    2   6   4         8
                83.89          4.82        1.1534    6   0   2         4
                84.27          6.07        1.1491    2   8   2         8
                84.69          4.36        1.1445    0   2   6         4
                85.23          7.70        1.1386    4   4   4         8
                86.51          1.38        1.1251    3   8   1         8
                87.21          3.74        1.1178    2   0   6         4
                87.34          1.10        1.1165    1   8   3         8
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.