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 = 49 K and P = .2818 GPa
      Note: beta phase
      _database_code_amcsd 0012999

      CELL PARAMETERS:    3.9240   3.9240   6.3560   90.000   90.000  120.000
      SPACE GROUP: P6_3/mmc  
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:     84.756
      Density (g/cm3):      1.098
      MAX. ABS. INTENSITY / VOLUME**2:      9.591944670    
      RIR:      2.846
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                26.22         34.88        3.3983    1   0   0         6
                28.08          7.52        3.1780    0   0   2         2
                29.81        100.00        2.9968    1   0   1        12
                38.80          3.54        2.3212    1   0   2        12
                46.27         17.05        1.9620    1   1   0         6
                53.96          2.16        1.6991    2   0   0         6
                55.00          3.18        1.6695    1   1   2        12
                56.02          7.90        1.6415    2   0   1        12
                73.77          1.04        1.2844    2   1   0        12
                75.52          4.07        1.2590    2   1   1        24
                77.26          1.22        1.2348    1   1   4        12
                80.71          1.85        1.1906    1   0   5        12
                85.78          1.13        1.1328    3   0   0         6
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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.