Nitrogen
      Schuch A F, Mills R L
      Journal of Chemical Physics 52 (1970) 6000-6008
      Crystal structures of the three modifications of nitrogen 14 and
      nitrogen 15 at high pressure
      Locality: synthetic
      Sample: at T = 46 K
      Note: beta phase
      _database_code_amcsd 0012997

      CELL PARAMETERS:    4.0500   4.0500   6.6040   90.000   90.000  120.000
      SPACE GROUP: P6_3/mmc  
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:     93.810
      Density (g/cm3):      0.992
      MAX. ABS. INTENSITY / VOLUME**2:      8.764056957    
      RIR:      2.878
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                25.39         34.42        3.5074    1   0   0         6
                27.00          7.62        3.3020    0   0   2         2
                28.82        100.00        3.0976    1   0   1        12
                37.41          3.65        2.4042    1   0   2        12
                44.75         17.57        2.0250    1   1   0         6
                52.16          2.25        1.7537    2   0   0         6
                53.05          3.35        1.7262    1   1   2        12
                54.11          8.27        1.6950    2   0   1        12
                71.12          1.09        1.3257    2   1   0        12
                72.76          4.27        1.2997    2   1   1        24
                74.09          1.30        1.2796    1   1   4        12
                77.17          1.98        1.2361    1   0   5        12
                82.51          1.17        1.1691    3   0   0         6
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.