Nb O
      Brauer G
      Naturwissenschaften 28 (1940) 30-30
      Ueber die Oxyde des Niobs
      _cod_database_code 1010410
      _database_code_amcsd 0017335

      CELL PARAMETERS:    4.2000   4.2000   4.2000   90.000   90.000   90.000
      SPACE GROUP: Pm3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:     74.088
      Density (g/cm3):      7.322
      MAX. ABS. INTENSITY / VOLUME**2:      144.0279694    
      RIR:      6.405
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                21.15         36.54        4.2000    1   0   0         6
                30.09         61.86        2.9698    1   1   0        12
                37.07        100.00        2.4249    1   1   1         8
                43.07         93.74        2.1000    2   0   0         6
                48.46         14.96        1.8783    2   1   0        24
                53.44         20.02        1.7146    2   1   1        24
                62.55         51.24        1.4849    2   2   0        12
                66.82          5.24        1.4000    2   2   1        24
                66.82          1.31        1.4000    3   0   0         6
                70.96          7.26        1.3282    3   1   0        24
                75.00         32.54        1.2663    3   1   1        24
                78.97         15.21        1.2124    2   2   2         8
                82.88          2.70        1.1649    3   2   0        24
                86.75          7.69        1.1225    3   2   1        48
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       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.