Hydrogen
      Ishmaev S N, Sadikov I P, Chernyshev A A, Vindryevsky B A, Sukhoparov V A,
      Telepnev A S, Kobelyev G V
      Zhurnal Eksperimental'noi i Teoreticheskoi Fiziki 84 (1983) 394-403
      Neutron structural investigations of solid para-hydrogen at pressures
      up to 24 kbar
      Locality: synthetic
      Sample: at P = .0488 GPa & T = 10.0 K
      Note: known as para-hydrogen
      _database_code_amcsd 0015883

      CELL PARAMETERS:    3.5910   3.5910   5.8630   90.000   90.000  120.000
      SPACE GROUP: P6_3/mmc  
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:     65.476
      Density (g/cm3):      0.102
      MAX. ABS. INTENSITY / VOLUME**2:     0.9948169225E-01
      RIR:      0.317
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                28.71         58.09        3.1099    1   0   0         6
                32.59        100.00        2.7473    1   0   1        12
                50.85         13.62        1.7955    1   1   0         6
                55.54          6.38        1.6547    1   0   3        12
                59.44          1.28        1.5549    2   0   0         6
                61.72          2.93        1.5030    2   0   1        12
                63.47          1.11        1.4657    0   0   4         2
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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.